ML19343D129
| ML19343D129 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 03/31/1981 |
| From: | SOUTHERN CALIFORNIA EDISON CO. |
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| Shared Package | |
| ML13304B631 | List: |
| References | |
| 81-RD-7, NUDOCS 8104090549 | |
| Download: ML19343D129 (93) | |
Text
81-RD-7 1980 Annual Operating Report SAN ONOFRE NUCLEAR GENERATING STATION Oceanographic and Biological Summary Data Report Volume i ENVIRONMENTAL TECHNICAL SPECIFICATIONS Unit 1 NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM Units 1, 2, and 3 CONSTRUCTION MONITORING PROGRAM Units 2 and 3 PREOPERATIONAL MONITORING PROGRAM Units 2 and 3 SOUTHERN CALIFORNIA EDISON COMPANY P.O. Box 800 Rosemead, CA 91770 BROWN and CALDWELL l
Marine Sciences Division 965 West 18th Street Costa Mesa, CA 92627 l
LOCKHEED ENVIRONMENTAL SCIENCES 6350 Yarrow Drive Carlsbad, CA 92008 MARINE BIOLOGICAL CONSULTANTS, INC.
947 Newhall Street Costa Mesa, CA 92327 March 1981 Sto W 7 05(/7
CONTENTS-Page 1.
I NTRO D UC T I ON....................................................... 1 Figure 1-1.
Study a re a l oc a ti on........................................ ~ 1 - 3 Figure 1-2.
lMaj or San Onofre re gul a tory programs....................... 4 Figure 1-3.
San Onofre~ Nuclear Generating Station Unit 1 operating
- ch arac teri sti cs ~ duri n g 1979..............................
Table 1.
1980 data collection record for regulatory requirements.... 1 - 2 2.
OC EAN 0GR AP HY....................................................... ZA-l' A. TEMPERATURE........................................................
2A 1-Figure 2A-1.
Environmental surveillance zones and physical and chemi cal s tati on. l ocation s............................... 2A-4 Figure 2A-2.
Location and identification of oceanographic sampling s ta t i o n s................................................. : 2A-5 Figure 2A-3.
Tempera ture profil es for January 8, 1980................... 2A-6 Figure 2A-4.
Temperature profiles for March 13, 1980....................
Surface temperature. and time at each station from prcfile meas ureme nt s,- J anu a ry 8,.1980............................ 2A-14 Figure 2A-6.
Surface temperature and time-at each station from profile-measurements, March 13, 19 80............................. 2A Figure 2A-7.
Surface isotherms from temperature profiles, January 8, 1980.....................................................
Surface isotherms from temperatue profiles, March 13, 1980.....................................................
Surface isotherms from infrared radiometer measurements, 1420-1451 PST, J a nu a ry 8, 19 80........................... 2A-18 Figure 2A-10. Surface isotherms from infrared radiometer measurements, 1256-1342 PST, March 13, 1980............................
2A-19 Figure 2A-11. Continuous temperature graphs for the surface, mid-depth and bottom of Stations C2S and C225, January,1980.......
2A-20 Figure 2A-12. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Station F2S, January 1980.. 2A-21 Figure 2A-13. Continuous temperature graphs for the surface, mid-depth
[
and bottom of Stations C25 and C225, February 1980.......
2A-22 Figure 2A-14. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Station F25, February 1980....
2A-23 Figure 2A-15. Continuous temperature graphs for the surface, mid-depth and bot.:m of Stations C2S and C225, Ma rch 1980.......... 2A-24 Figure 2A-16. Continuous temperature graphs for the surface,15 and 30 I
feet depths, and bottom of Station F2S, March 1980.......
2A-25 Figure 2A-17. Continuous temperature graphs for the surface, mid-depth l
and bottom of Stations C2S and C22S, April 1980..........
2A-26 Figure 2A-18. -Continuous temperature graphs for the surface,15-and 30 feet depths, and bottom of Station F25, April 1980.......
2A-27 Figure 2A-19. Comparison of intake, discharge, and ocean ambient tempera tures, J anua ry and February 1980.................. 2A-28 Figure 2A-20. Comparison 'of intake, discharge, and ocean ambient temperatures, Ma rch and April 1980......................... 2A-29 l
Table 2A-1.
Shoreline temperatures ('C) during 1980 surveys............ 2A-3 i
4
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11
-Page B. TURBIDITY..........................................................
2B Table 28-1.
Percent light transmittance at the surface, mid-depth (4m),
and near bottom, and Secchi disc reading for January 8, 1980.....................................................
2B-3 Table 28-2.
Percent light transmittance at the surface, mid-depth (4m),
and near bottom, and ~ Secchi disc reading for March 13, 1980.....................................................
28-4
^
C. WATER QUAL 1TY...................................................
Surface dissolved oxygen concentration (mg/ liter) from required SONGS Unit 1 operation and Units 2 and 3 preoperational monitoring stations during 1980...........
Surface hydrogen ion concentration (pH) from required SONGS Unit 1 operation and-Units 2 and 3 preoperational monitoring stations during 1980..........................
Receiving water and ocean bottort sediment heavy metal con cen tra ti on s du ri ng 1980............................... 2C-4 3.
I N TE R T I D A L......................................................... 3-1 Figure 3-1.
Inter tidal station location s............................... 3-2 Table 3-1.
Mean density of intert'dal organisms (number /5 liter core) by t ra n se c t, Fe b ru a ry 19 80............................... 3-3 Table 3-2.
Mean grain size analysis by station and tidal elevation, Fe b ru a ry 19 80............................................
3-4 4.
BENTH05............................................................
4A-1 A. ROCK / COB BL E SUB ST RATE. K ELP 6 EDS...................................
ETS, CMP, and PMP benthic station locations at San Onofre Nuclea r Generati ng Station...............................
Rank, mean abundance (percent or number /m2), and frequency of occurrence of benthic organisms sampled at ETS benthic stations during the January 1980 survey period...................................................
Rank, mean abundance (percent or number /m2), and frequency of occurrence of benthic organisms sampled at ETS benthic stations during the April 1980 survey period...................................................
Rank, mean abundance (percent or number /m2), and frequency o.' occurrence of benthic organisms sampled ETS benthic stations during the July 19g0 survey period..
4A-7 Rank, mean abundance (percent or number /m ), and Table 4A-4 frequency of occurrence of benthic organisms sampled at ETS benthic stations during the October 1980 survey period...................................................
Rank, mean abundance (percent or number /m2), and frequency of occurrence of benthic organisms sampled at CMP benthic stations during the April 1980 survey per 4A-9 Rank, mean abundance (number of contacts /6.0 or 0.125 m{od.
Table 4A-6.
.)
frequency of occurrence of benthic organisms sampled PMP benthic stations during the January 1980 survey period...................................................
4A-10 2
Table 4A-7.
Rank, mean abundance (number of contacts /6.0 or 0.125 m )
frequency of occurrente of benthic organisms sampled at PMP benthic stations during the April 1980 survey period. 4A-11
iii Page B. BE N THI C I NF AU NAL STUDY............................................. 4B-1 Figure 48-1.
- Benthic in faunal s ta tion l ocati ons......................... 4B-2 Table 48-1.
San Onofre infaunal survey mean number of-individuals / liter Ma rc h 19 80............................................... 4B-4 Table 4B-2.
Mean'infaunal grain size analysis, organic carbon content, and SeCChi di sc by sta tio n, Ma rch 1980................... 4B Table 4B-3.
San Onof re monthly sedime nt heigh ts, 1960.................. 4B-7 5.
~ PLANKTON - RECEIVING WATERS........................................
5-1:
-Figure 5-1.
ETS and PHP plankton receiving water station locations at San Onofre Nuclear Genera 5-2 Rank, mean abundance (number /mging Station.................
), and frequency of Table 5-1.
occurrence of select zooplankton sampled at all ETS plankton stations during the 1980 survey period..........
5.- 5 Table 5-2.
Rank, mean abundance (number /m3). and frequency of occurrence of select zooplankton sampled at all PMP plankton stations during the 1980 survey period.......... 5 - 5 Table 5-3.
Mean chlorophyll (C) and phaeopigrent (P) concentrations (mg/m3) sampled in upper and lower strata during the 19 80 s tudy pe ri od.................................... 5 - 7 3
Table 5-4.
Mean 2ooplankton dry weight biomass (mg/m ) values in upper and lower strata in PMP stations during the 19 80 s tu dy pe ri od........................................ 5 8
6.
FISH...............................................................
6A-1 A. FI SH IN TH E REC EIVI NG WATERS - GILL NETS........................... 6 A-1 Figure 6A-1.
ETS and PMP fish receiving water station locations at San Onof re Nuclear Genera ting Stati on.................... 6A-2 Figure 6A-2.
Length-frequency histograms of Seriphus politus derived from gill net samples from the 9.1-and 13.7-m isobaths du r i n g 19 80.............................................. 6 A - 8 Figure 6A-3.
Length-frequencJ histograms of Genyonemus lineatus derived from gill net samples from the 9.1-and 13.7-m isobaths during 1980..
.......................................... 6A-8 Table 6A-1.
latal number of individuals and species captured by gill nets set on the 9.1-and 13.76-m isobaths during the E TS a nd PMP survey s o f 1980.............................. 6 A-5 Table 6A-2.
The rank order of abundance of fish species collected
~
by gill nets set on the 9.1-and 13 7-m isobaths du r i n g 19 80.............................................. 6 A-6 B. F I SH I MP I NG EME NT................................................... 6 B - 1 Table 68-1.
Total number and weight of fish appearing in 32 normal operation samples taken at San Onofre Unit 1 in 1980.....
)
s I
Chapter 1 -
INTRODUCTION This report volume presents a summary of regulatory required physical-chemical oceanographic and biological data collected during investigations of the marine environment in the vicinity of the San Onofre Nuclear Generating Station conducted for Southern California Edison Company (SCE). Included is a summary of pertinent data collected in compliance with Environmental Technical Specifica-tions (ETS) for San Onofre Unit I, The National Pollutant Discharge Elimination System (NPDES) requirements for San Onofre Units 1, 2, and 3, the Preoperational Monitoring Program (PMP) and the Construction Monitoring Program (CMP) for San Onofre Units 2 and 3.
STUDY REQUIREMENTS The ETS is an appendix to the San Onofre Unit 1 Provisional Operating License and hence a Nuclear Regulatory Commission (NRC) requirement. Contained within the ETS requirements are both oceanographic and biological study elements e
oriented to the investigation of San Onofre Unit I operational effects upon th6 local environment. The oceanographic elements consist of temperature, turbidity, heavy metals, dissolved oxygen, and pH, while the biological elements include pl ankton, fish, intertidal, kelp, and hard benthic communities together with investigations of station impingement and entrainment. Radiological monitoring elements, included with the ETS requirements, are reported to the NRC under a separate cover.
The PMP, also a NRC environnental requirement, is designed to establish a two-year preoperational data base for San Onofre Units 2 and 3. The data base will be used to measure the operational effects of San Onofre Units 2 and 3 on the local marine environment. The PMP. study design contains elements sii.iilar to the ETS investigation except generating station entrainment is not addressed.
The CMP requirements are included in the California Regional Water Quality Control Board-San Diego Region (CRWQCB-SDR) Order 71-6, change T-3. The order requires that a monitoring program be established to detennine the effects, on the marine environment, associated with the construction of San Onofre Units 2 and 3. Study elements include sedimentation analysis, intertidal and subtidal infaunal studies, and a kelp investigation.
The NPDES permits for San Onofre Units 1, 2, and 3 contain essentially the identical operational study elements set forth in the ETS requirements.
Related or complimentary study elements of the programs outlined above were conducted in concert, where possible, in order to optimize data collection while meeting the individual program objectives. A schedule of field efforts conducted to meet the requirements outlined above is presented in Table 1-1.
SITE LOCATION The site for the San Onofre Nuclear Generating Station is located on the coast of southern California at approximately 30* 22.5' North latitude and 117' 32.5' West longitude. San Clemente, the closest city to SONGS, is on the coast z
approximately 4 km to the northwest, while the nearest municipality to the
1-2 Table 1-1. 1980 data collection record for regulatory requirements.
(T5 NPDE 5 CI9 PMP - Jan Feb Ma r Apr May Jun Jul - Aug Sep Oc t how Dec Oceanogrape!c Surveys Temperature Vertical Profiles I
t X
8 13 14 9
to 5
Aerial Infrared RJ4tometry X
X 8
13 14 9
5 1
a 8
13 14 9
10 5
shoreline Temperature,
X X
3.
4 4.26 4.2 1
4 3
1 4
1 s
9 Continuous Temperature m intecance a
Turbidity vertical Prof fles 1
3 I
8 13 14 9
10 Seccht Disc visibility X
I 1
8 13 14 9
10 5
. rist Peetographs of Turbidity 1
8 13 14 9
5 Heavy Metals I
I I
10 10 13 3
3 Dissolved Onygen I
I I
8 13 14 9
10 5
Hydrogen 109 Contentrattaa
.t X
X 8
13 14 9
10 5
- Stological Surveg Plat ton d
1 I
8.10.13 10-12 15-18*-
19 16 5-E 13 15 5-1 Coeble I
I I
I 24.---108 28 - -
6 24----- 18 23-----3 11 16ets I
I I
26-27 23-24 25 26*
21-22 20-23 10-11 cua att on X
Y b
b b
b b
b Heat Treatments a
I 13 23 Eelp Bed etapping I
14-16 Photography X
9 13 18 8
5...e,
,e,.4 red,e.erai d.,s to com,iete.
- l4%r"'/ tie'*UU "'@a; te,.inated.
- 50%$ Mfline for refueling and repairs fras 10 April through end of 1950. Circulators were on briefly from 12 June to 18 July.
Sampling continued during this period.
southeast is Oceanside same 19 km downcoast from the station. The study area extends approximately 6.4 km (4 miles) upcoast,11.5 km (7 miles) downcoast, and 4 km (2 miles) offshore of the generating station site (Figure 1-1).
HISTORICAL BACKGROUND
^
Oceanographic and marine biological studies, referred to as the Marine Environmental Monitoring Program (MEM), began in 1963 in the San Onofre area and were reported on a semiannual basis to CRWQCB-SDR until 1975 (Figure 1-2). In 1975 the Unit 1 ETS program was implemented in compliance with NRC requirements.
The ETS program has continued to the present. In 1976, the CRWQCB issued permits SONGS Units 1, 2, and 3 under the NPDES which included marine monitoring
.r programs to replace previous MEM requirements. The NPDES marine monitoring requirements (Figure 1-2) have continued to the present.
Studies of the effects of SONGS Units 2 and 3 construction were initiated in 1974 as required by the CRWQCB (Figure 1-2). These studies focused on the impacts of sand disposal onto the beach from onshore construction site excava-tions. The studies, called the Sand Disposal Monitoring Program, continued through 1976. The emphasis shifted in 1977 when dredging for the' emplacement of the offshore portions of Units 2 and 3 cooling systems began. Studies focused on the offshore construction activities started in December 1976, as set forth in the CRWQCB order No. 71-6. These studies are referred to as the Construction Monitoring Program (CMP).
In 1978, a Preoperational Monitoring Program was initiated in compliance with requirements of the NRC (Figure 1-2). This Program along with the others mentioned above, will provide a baseline of oceanographic and marine biological
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1-4 Figure 1-2. Major San Onofre regulatory programs.
MJ$D MJ$D MJSD MJ$0 MJ$D MJsD MJSD Program and Study Elements.
1974 1975 1976 1977 1978 1979 1980 Marine f avf ectueental Monitorte9 (iEre, curreats wEM)
Teaaography - Dfacothly tes$er 1
turtidity. =ater quality 1964-IIIXIXXVIIXX Sic 1cgical - plankton. beathos. Intertidal Enviroenental Technical Specifications (ETSi.hPDES Oceanography - bfamthly teegerature tu bW r
water trwality. C09tinuous tegerature XX1111XIIIIIII11I11XXXIIIIIIIXIIIKIIIIIt11NIII1111XII
$iological - plackton, hard benthos, help, gill netting, ingingement Saed Disoosal Study (SDS)
Kelp, tReRTaal and subtidal infa.nal and IIIXXXxxxx1111111xx1 Denthas Construction tnitocing Program (CM9) 5edteertology7elp. f nfaanal (In'.ertidal and XXXX t tIIIIIIIX1111NI1tIIIIIIII:
tuttidal), interttdal special stady Precyratio9a1 Monitoring Progree (PMP)
'uceaeography - bimonthly tegerature, tu'Sidity, water cuality, co'stipuous tegerature It11111111XXIItX111' Biological - plankton, hard tentnos, gill netting, tra 11pg, telp. Special stddy - f chtPyoplaatton (78-efd 79)
Icteria Studies /hPD(5 Oceanograry - cont 1%ous tegerature, aerial tartidity ptctogeapns EXIII' Biologf cal - tra=11Pg. telp 316(b) Program atological - noetnly larval entrainment, transit XIIsIIIIIX toss determication M. Maech - J = June 5 = Septencer D = Decencer data prior to the operation of Units 2 and 3. The PMP is complimentary to the Urit 1 ETS Program and essentially expands the study area further offshore into the area of Units 2 and 3 diffusers.
1980 REGULATORY DEVELOPMENTS 3
Preoperational Monitoring Drogram The PMP investigation which began in mid 1978 teminated in mid 1980 in accordance with NRC author 12ation following two complete years of baseline data collection.
Environmental Technical Specifications Section 4.3 of the Unit 1 ETS requires that a study plan to categorize and detemine ef fects of plankton entrained within the circulatory water system be submitted for NRC approval. San Onofre Unit 1 is also subject to a Federal Water Pollution Control Act (FWPCA Section 316(b) demonstration which is adnin-istered by the idWQDB for the EPA. In order to reduce redundant efforts and regulate duplication between the NRC and EPA, a formal request to delete the NRC requirement was forwarded to the Commission on 15 Noumber 1979.
A FWPCA 316(b) ichthyoplankton entrainment t wentory and loss study was completed in 1980 which will meet the objective of the ETS plankton entrain-ment study requirement. The ichthyoplankton inventory study report will be finalized in 1981 and submitted to the CRWQCB-SDR.
1-5.
i On 6 February 1980 a fonnal Change Request (No. 86) was sent to the NRC to delete the receiving water plankton study from the ETS. On 15 October 1980 another Change Request (No. 94) to delete environmental monitoring from the ETS requirements and add a reference to the NPDES permit was sent. Further, a request was prepared for transmittal to the NRC to suspend the ETS program while San Onofre Unit 1 is inoperable.
No response has been received to date on any of these requests.
NPDES / Interim Program In order to maintain continuity with pertinent preoperational study elements (i.e. continuous temperature monitoring, turbidity studies, trawling, and kelp programs), an interim monitoring program was initiated by SCE in mid 1980. The interim program is anticipated to continue until the combined commercial opera-tion of San Onofre Units 2 and 3 is initiated. The CRWQCB-SDR was advised of this action and it is anticipated that a form of the interim program will be included in the 1981 NPDES permits.
l Construction Monitoring Program The CMP investigation was suspended in March 1980 in accordance with the CRWQCB-SDR authorization as construction activity was completed. A study to assess the effects of the temporary seawall removal will be initiated upon its removal.
SCOPE AND ORGANIZATION This report volume co.nplies with the April 1 deadline for the presentation of a summary of results from the' previous year's activities required by the various regulatory agencies. The regulations allow for the detailed analysis and interpretation of the data collected, to be submitted by July 1 of the reporting l
year.
The chapters in this report are organized by general study elements (i.e.
Oceanography, Fish, etc.). All regulatory requirements associated with a parti-cular element (i.e. ETS/ NPDES, PMP, and CMP programs) are addressed in the i
chapter.
San Onofre Unit I was offline for a substantial portion of the year; thus, i
study elements designed to monitor immediate operating effects of the station, l
such as changes in temperature and turaidi ty, were not affected during the offline period. For the purpose of this summary, only data from the operational period are included for these elements.
Due to their voluminous nature, all raw data collected in 1980 are presented in a separate Comprehensive Data Supplement, Volume II, which is available from SCE upon request. The Comprehensive Data Supplement contains all regulatory required data as well as data gathered from investigations not contained within the regulatory requirements for the station operation, i.e. Interim Program, and other ancillary data collected to meet program objectives.
A detailed analysis and interpretation of all ecological data collected for SCE at San Onofre, and infonnation from cther appropriate sources relating to the program objectives, will be submitted to the regulatory agencies and available for distribution by 1 July 1981 in Volume III of the Annual Operating Report.
i 1-6 l
DESCRIPTION OF THE GENERATING STATION I
San Onofre Unit 1 is an electrical generating facility utilizing a pressur-ized water nuclear reactor which began commercial operation in 1968. San Onofre Unit 1 is a base-load plant and is normally operated at full capacity.
Electrical output of Unit 1 is 456 MW.
J A once-through cooling system is used to cool the steam condensers. Seawater is drawn from a point 907.4 m (2977 ft) offshore, located in approximately 8.2 m (27 t't) of water. The of fshore intake structure is fitted with a velocity cap which is designed to reduce the entrapment of marine organisms and draws water horizontally from a depth of 4 to 5 m. Af ter passage through the intake conduit and the condensers, the cooling water travels through a discharge conduit which terminates in a vertical discharge structure located 750.4 m (2,462 ft) offshore in approximately 7.6 m (25 f t) of water. The discharge results in a surface-oriented thermal plume. Under normal operating conditions, the temperature of the cooling wag / min (350,620 gpm).
er is raised approximately 19'F across the condensers at a flow rate of 1,325 m The Unit 1 screenwell contains traveling screens and bar racks to remove debris and entrapped marine organisms from the cooling water before it reaches the pumps and steam condensers. Marine fouling growth in the cooling water system is controlled through periodic heat treatments which are typically conducted at intervals of from six to ten weeks. During heat treatments, the temperature of the cooling water in the screenwell is raised to approximately 100*F for 1.75 hr.
At this time, all of the fish within the screenwell which have avoided impinge-ment on the traveling screens during normal operation are succumb to the higher temperature and are removed from the system.
San Onofre Units 2 and 3 are under construction and are scheduled to begin operation in 1981 and 1983, respectively. Each of the new units will have an electrical output of 1110 MW. The once-through cooling systen for each unit will have a flow rate of 3,137 m3/ min (830 000 gpm) and a normal operational temperature increase across the condensers of 19.2*F. The intakes will be located 1
970.2 m (3,183 ft) offshore in 9.8 m (32 ft) of water.
Both units will have diffuser type discharges consisting of 63 ports spread over a distance of 762 m i
(2,500 f t). Tne Unit 2 discharge diffuser will extend from 1,786.1 m (5,860 f t) to 2,510.9 m (8,238 f t) offshore and range in depth from 11.9 m (39 f t) to 14.9 m (49 f t). The Unit 3 discharge diffuser will extend from 1,024.4 m (3,361 f t) to 1,889.8 m (6,200 f t) of fshore and range in depth from 9.8 m (32 f t) to 11.6 m (38 ft).
GENERATING STATION OPERATION 3
Unit 1 The station was of fline from 10 April through the end of 1980 due to prob-lems associated with the steam generator which required extensive system repair.
The circulating pumps resumed operation briefly in June and July, and fish impingement studies resumed during this period.
An illustration depicting plant operation including mean daily megawatt output (station load), inplant AT [(*C) discharge temperature minus intake temperature], and circulating water flow at SONGS Unit 1 during 1980 are presented in Figure 1-3.
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MONTHS Figure 1-3. San Onofre Nuclear Generating Station Unit 1 operating charactristics during 1979.
Units 2 and 3 Intermediate testing of Units 2 and 3 circulation water pumps occurred in September and December 1981. This testing procedure was associated with startup activities.
l 1-8 LITERATURE CITED Southern California Edison Company.1981a. Oceanographic and biological compre-hensive data supplement, San Onofre Nuclear Generating Station. Volume II: Environmental technical specifications Unit 1; nationai pollutant discharge elimination system, Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational monitoring program Units 2 and 3; interim studies and accessory data. Prepared by Brown 'and Caldwell, Lockheed Environmental Sciences, and Marine Biological Consultants.Inc.
Southern California Edison Company.1981b. Anneal operating report, San Onofre Nuclear Generating. Station. Volume 'III: Environmental technical specifica-tions Unit 1; national pollutant discharge elimination system, Units 1, 2, and 3; rmstruction monitoring program Units 2 and 3; preoperational monitor..,. rogram. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marine Biological Consultants, Inc. (in preparation).
I 1
Chapter 2 OCEANOGRAPHY A. TEMPERATURE Monitoring of temperature in the San Onofre receiving waters was conducted bimonthly during 1980 at 46 Unit 1 operational sampling stations in compliance with Environmental Technical Specifications (ETS) Section 3.1.1.a.(5) and NPDES permits and at 28 additional sampling stations as part of the San Onofre Units 2 and 3 Preoperational Monitoring Program (PMP) (Figures 2A-1 and 2A-2). A data collection record for 1980 is presented in Table 1-1. The objectives of the temperature studies were to: 1) document large spatial and temporal changes in temperature throughout the stud" area, 2) establish preoperational baseline conditions before operation of San Onofre Units 2 and 3, 3) detemine the hori-zontal and vertical extent of the thermal plume from Unit 1, 4) detennine the area of influence of Unit 1, 5) estimate the extent to which heated water from Unit 1 is recirculated back into the intake of the circulating water system, and
- 6) provide temperature data for the analysis and interpretation of biological findings. Temperature monitoring for the Units 2 and 3 PMP, except for contin-uous temperature monitoring, was discontinued on 5 September 1980. Continuous temperature monitoring was conducted throughout 1980.
SAMPLING METHODS A detailed description of instrumentation and methods used for temperature measurements are presented in Brown and Caldwell's procedures manual for ETS and PMP (BC 1979). Detailed methods were also reported in Volume I, Oceanographic Data Report (SCE 1980).
The following presents a synopsis of methods. Vertical profiles of temper-ature were measured with a Martek transistor probe and recorded digitally.
Infrared radiometer measurements were taken from an aircraft along predetermined flight paths with a Barnes PRT-5 precision radiometer. Shoreline temperature measurements were taken at 11 shoreline stations in conjunction with aerial infrared measurements using a calibrated bucket thennometer. Continuous temper-ature data was recorded hourly at the surface, mid-depth, and near-bottom of Stations C2S and C225, and at the surface,15 and 30 ft depths, and near-bottom of Station F2S (Figures 2A-1 and 2A-2). In-plant intake and discharge temperature data were continuously recorded by SCE in-plant personnel at the tsunami wall within the upper 3 ft of the intake and discharge conduits.
REEULTS Results of temperature data collected from January through April 1980 while Unit 1 was in operation for the San Onofre environmental monitoring programs are presented in tabular and graphic form by survey in chronolocical order. Unit I went offline on 9 April 1980. Results of temperature data collected from May through December 1980 are prer ented in the Comprehensive Data Supplement (SCE 1981a). Temperature data presented in this report for periods'when Unit I was in operation include: vertical temperature profiles required by ETS during bimonthly surveys (Figures 2A-3 and 2A-4); surface temperatures and times from profile measurements (Figures 2A-5 and 2A-6); surface temperature isotherms from profile measurements (Figures 2A-7 and 2A-8); surface temperature isotherms from infrared
2A-2 radiometer measurements (Figures 2A-9 and 2A-10); results of shoreline temper-ature. measurements (Table 2A-1); graphs of continuous temperature measurements (Figures 2A-11 through 2A-18); and graphs comparing intak e, discharge, and ambient temperatures (Figures 2A-19 through 2A-22).
An analysis of all temperature data collected during 1980 will be presented in tne Volume III, Annual Operating Report (SCE 1981b).
Section 5.6.3b(3)(a) of Appendix B of the ETS for Unit I requires that data losses from continuous monitoring systems (including the continuous temperature recording system) shall not exceed one week continuous or a total in r.,ress of three weeks per year. If data losses exceed these limits, a non-routine report of
~
the occurrence -to the Nuclear Regulatory Comission (NRC) is required. 0ata losses of greater than one week duration occurred at Station C22S mid-depth from 23 January through 4 March 1980, and at Station C22S near-bottom from 4 March through 4 April 1980. These losses were reported to the NRC on 23 July 1980 (NRC Docket No. 50-206).
On 16 May 1980, the NRC formally exempted continuous temperature recordirg systems from non-routine reporting and required an annual of fshore continuous temperature retrieval rate of at least 807. ETS now requires losses resulting in less than 80% return to be descrit"d and discussed in the Annual Operating Report. Temperature data retrieval was more than 80% during 1980.
LITERATURE CITED Brown and Caldwell. 1979. Manual of procedures for environmental technical speci fications and preoperational environmental montoring at San Onofre Nuclear Generating Station. Prepared for Southern California Edison Company.
August 1979. 250 pp.
Southern California Edison Company. 1980. San Onofre Nuclear Generating Sta-tion. 1979 environmental technical specifications - Unit 1, construction monitoring program - Units 2 and 3, and preoperational monitoring program -
Units 2 and 3. Vol. I. Oceanographic data. January-December 1979. Prepared by Brown and Caldwell, Marine Sciences Division, Pasadena, Cali fornia.
80-RD-10. 475 pp.
Southern California Edison Company.1981a. Oceanographic and biological compre-hensive data supplement, San - Onofre Nuclear Generating Station. Volume II: Envi ronmental technical specifications Unit 1; national pollutant discharge elimination system Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational monitoring program Units 2 and 3; interim studies and accessory data. Prepared by Brown and Caldwell Marine Sciences Division; Lockheed Environmental Sciences; and Marine Biological Consultants,Inc.
Southern California cdison Company.1981b. Annual operating report, San Onofre Nuclear Generniog Station. Volume III: Environmental technical specifica-tions Unit 1; national pollutant discharge elmination system Units 1, 2,
- and 3; construction monitoring program Units 2 and 3; preoperational moni-toring program. Prepared by Brown and Caldwell Marine Sciences Division; Lockheed Environmental Sciences; and Marine Biological Consultants, Inc. (in preparation).
2A-3 Table 2A-1. Shoreline temperatures (*C) during 1980 surveys.
bt at n sn TM C.at e his (PST) 1 40F>
- h 2
3 I X*T N P ies 1 #Xe ' S 2]CC
- S 4D.t's 4
5 10000's Mean J an. s I
hC-0912 15.2 15.s 15.7 IE.1 16.2 16.0 15.1 15.1 15.1 15.1 15.1 15.5 2
11 % -;219 16.1 1'.
3 16.2 14.6 16.5 is 7 17.5 15.6 15.8 15.6
- 15. '
16.2 s
140C-15 4 16.2 16.1
- 16. J se. B 16.9 17.2 15.?
15.6 15.5 16.1 16.3 16.1 nas.13 1
- WO914 16.3 16.3
. 16.2 14.2 16.7 16.9 14.9 16.9 17.7 17.2 16.7 2
1005-1111 17.4 17.7 19.1 14.3 17.7 17.5 17.7 17.1 17.7 17.6 17.7 J
13h1451 IP.6 18.9 19.5 19.6 19.5 39.1 19.6 14.9 19.3 19.1 19.2 niey 14 1
100t -1141 15.7 1*.7 14.0 16.?
- 1. 9 16.1
- 18.. )
- 16..
16.4 36.7 16.2 11e-1450 17.9
'. 8.1 A6 3 17.4 17.0 16.7 16.3 17.1 17.8 17.7 17.3 Jul. 9 1
0405-1219 24 16.0 14.2 14.4 14.3 1'
17.6 18.2 18.4 l e.5 19.6 10.1 2
1235-111' 11.4 20.0 11.9 19.4 19.8
.a 19.2 19.9 20.0 40.1 23.0 19.7 sep. lo 1
9719-10:e 19.2 19 A 19.s 19.8 15.9 19.6 1% '
19.5 19.5 19.4 19.4 19.1 19.6 m,v. 5 1
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2A-11 TEwiRAftPE (C'}
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a@} g wm eceq lk%J;f y ..yg I hw $h ? lh?grkk$a Jr y$v f , %1,s m y w g ue >,n w. Figure 2A-8. Surf ace isotherms from temperature profiles, March 13, 1980. t l 2A-18 E, d. a., n..r.., l a, e +e /v & : x..f,f.x
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p -,. : r.. Figure 2A-9. Surface isothems from inf rared radiometer measurements, 1420-1451 PST, January 8,1980. 2A-19 i I ] M, h_ e DL., [,, r I p u.+ - A ~ lW,, p' /r- ' t.i 3 ;; O', , ~'Q t,, }f 1 i ~,R s~ +. Y ~.s ,.Vf' i. / .:. -. ' ' ~ 3 ..s e ?, s,s..Q.. . 7' \\ i; y ' ',. - %_,3 s.... . f i 1 rw- / I a- \\4' .9 s,Y w\\ 9 i 1# 8 : , t\\s "1 y r < lu.\\. /.. ~~ '.l \\ ' 'h i l 4 s s. + 1)fi l
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~ ue ?.n_ p,;f >w; A.9) 1 Jq m y,, s w m. M. gmy y., w c i w '. QQ1.g.s )i,, y,,,. aec s. f .: %q.p. 2; ,1. c;.ci 4;.@, 1 m.,. pn, m,, % w +,.,?- , %~ n ~.s. - f k* :.,g,v*, gg,: gh.g' w* v. - !j rco E l'W' g ) .1: -;m' vnub'. rw, o,, up s Figure 2A-10. Surface isotherms from infrared radiometer measurements' 1256-1342 PST, March 13, 1980. 2A-20 j. t 9 9 = e a t t 9 y = = n n y 4< 4 4-4 2-4 2< 4 gt < 4 3.4 < 4 .w. m. 50 a 52< a E. "3 = Es. [s, a d 2< 1 2 g 2 2 .e STATION C2S es .is.s ,,,,,.c STAf!DN C22$ .r... sa s w att er.... sutract E' 4 E' 4 4 4 Ak< Ak< 4 S i. 3 a 3l; i !. ^* v i l L n ,., i.,,,j.
- i., c.,,,j.
s. n s. i.
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9 y g 4-4 4< 4 2< 4 4 4 A2-4 ,. 4 4 S S. L 4 3 4 E. <r = (. {t. 1 2 a v.:. L 3 3 2 STAf10N cas STAi!DN C225 .e..... eotron sorrem ^< e i., i.,,4 s. ,c i., i.,,) 6 i. u~ Figure 2A-11. Continuous temperature graphs for the surface. mid-depth and bottom of Stations C2S and C225, January,1890. 2A-21 t u i. = = e y E-4 2 4 6 AkY' 4
- s..
g. 3 '2 es..s. ,_ 2$ 5,.,10N F i.,,,, a Ed Is n 4 g. u.
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.. e so j e e i., i.,g a u e n ., i.,4 s u e 4 Figure 2A-12. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Station F25, January, 1980. i a 1 l J 2A-22 a. a. =. =. s.e at .e u. a. =. =. =. e y g 4< 4 4< 4 2< 4 2-4 al' AS< S. S 3< 2-4 k;. b l;. I N. 0 1< 4 2< 4 2< C 2 c STATION C2$ STATION C22$ sees.es.s sta av as $JtraCE sts av =.es SLRffCE .~ -a 4 d ig, is g b de Jt 's 4 e ig to g s. We an-
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i* i.s a a u 4-4 4-4 2< 4 2< 4 e .4 4 -4< 4 S. S. $t. f2< a a s. s [. [s. Q( 4 s-4 . m g. 1 4 2< c 2-a STatson C2s star!0N C22s . a.e n MID-M PTM rs av. se MID-DEPTM eis av ~n 4 4 i ie Q is de n'
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,e m q 4-4 4< 4 2-4 2-4 4 .R< 4 S S. k. d $2< 1 + d 3 3 k a {s. 4 5 vbA.v 2 Z-4 3 1 2-C 2< C ,s STATION C25 rs m, Stat!ON C22S soTTcw 1,... .e soTToM s b
- n-
-s d 19, is,,k e iy, i.,4 3 u
- c Figure 2A-13. Continuous temperature graphs for the surface, mid-depth and bottom of Stations C25 and C225, February,1980.
2A-23 e 9 ta = e e . e_
- g.
s. 4 3 = l 4 4 g-". Is. e f 1 2 e station rrs ST mv, se sLft#CE ~e 4 e ig is A a
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.e a e la !s as as at ( 4 4 2 4 a 4 4 3 3 4 3 2 staitoM r2s sts av. se IS rEET = s u a -e 4 (y,, is,,,p .e o e 12 to ao M 2e (
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e, 12 ts as as - 2e ( 5 4 s. 4 =. = n. = _m. 4 -a. 4 S e. [. gs, e s. s. s. E 1 e. e n. 2 station res station rzs e s's 5 8. # 38 FEET . s's av. e 80tTOPt 4 4 it,, i.,g a-- -i 4 4 (9,,
- t.,j
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- r-Figure 2A-14. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Station F2S, February, 1980.
t T f 2A-24' g 1: s, 4 4-4 z-a n. 3 3:< .= a .= l Y' kJ l* b;hpf&$khflNggg;1 =. =. t. s. is-2 e, t2 star:c. c2s .u statm Cns !. - =c s i.,,, n i e s i.,,, g m a q f, 4-
- 7. <
4 e n-t' e a 3,. ~ g... e i;.; k%4w!&Ar.wp; j;.jhwde A j;., .= ... a.3 .,,.C25 5',at t ;. static.m.C.22s .._i.,,, 7 a lg.. l. 4-A ?. 4< 1 ( N< l. 3< h4 .R g. $2 t 2-t 1 [ t 1 2 1 e 2< >2 2 2 s'ATith C2s ST ATI:> C22s j ... i. s. s'...* 90t TP
- 9.'...
.e SOT W q %,.,,) 1 ~* n nr 6 a= sr y i.,4 Figure 2A-15. Continuous temperature graphs for the surface, mid-depth and bottom of Stations C25-and C225. March,1980. l L t I -e, -,,----.m.~,-.,,- 2A-25 u. i =. =. g g. 4 g. 4 AS-t! 'I ![ Y N 3 3 2 2 $7afim r25 me.. i.. sTs age. p SLJtrftCE h de ar' 's 4 4 ig is g u. i =. = n. ac g 2< 4 R. 4 R 4 g-2< f;. $f MM.; Z-1 2-2 eee ei. s $7aTim r25 sTs se = > 13 FEET 4 4 iQ is y b se
- n' g
a u g E' 4 2-4 R-4 N< 4 aR-4 R< 4 k. l 3 Y M% 3 ht-hs< .t e. =. 3 E. 2 2< 2 2< 2 .i,, StaTam r25 STATIM r2$ . ig, s?s av. W 38 FEET ses arv..er BCTTOM a e is is y J. a
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n 19 c.,4 s. i. ac Figure 2A-16. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Station F2S, March, 1980. i. 2A-26 i, 9 = = = t t i, 9 = = = g-a. 4 4-4 E. E. 4 E 3< O' 4 h'. E
- )
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i. a Figure 2A-17. Continuous temperature graphs for the surface, mid-depth and bottom of Stations C2S and C22S, April,1980. I i I 1 i 2A-27 6 la is a m 2. ( e 4 4 2 4 t 4 g< 3< ] 2-Staf!ON ._F.25 ..m.... a a 4 t t 9 9 g< s 4 g-x...
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- r Figure 2A-18. Continuous temperature graphs for the surface,15 and 30 feet depths, and bottom of Stat'on F25, April, 1980.
2A-28 8 4 e it SS 20 24 26 22 t f e t i t i TEMPERATURE (*C) < - e s:ENTcC22S.SURrACE) .Ved 19BJ & - INTAKE o - c:SC w.acs 3 - D!rrEEENCE(!NT-AMa) f' m:_ = : a s {%~ -Z h J. q E g h l em ~ @M i s A w E y2- .1- - ww s "] &-M bwps % %,e %%nar-uk i i e i i e e 4 e sa is a 24 as n .,.c 3.g. e 4 e 22 is as 24 as 22 i i e i ? t i 1 TEMPERATURE ('C) x - *BIENT(C22S.SURrACE) FEB 1998 4 INTAKE a - otsowics 3 - D!rrERENCEC]NT-AMS) l L e 1 e-N e 0 N a bg A A \\- g~. &M -1 E ~ x VW .b = A T ~. i i e i i i i e e 4 e 12 14 M 24 M M I!PE (DAYS) Figure 2A-19. Comparison of intake, discharge, and ocean ambient temperatures, January and February,1980. l l 2A-29 e 4 e 32 is as as ae 22 t 1 f f f f f i TEMPERATURE (*C)
- - eBIENT(c22S.SLRFACE)
PtWt 1998 A - ]NTAKE o. cggosmog 3 - D!rrERENCE(INT-Ale) M-j -R W eA M s a S~ "Is 3 E NM M 1 a ~ %a _ g h AA b U g T i i i i i i e e e 12 16 29 24 26 32 TIME (DAYS) c 4 e 12 is 2a 2a 26 32 e _ v i i t i g l e l TE'4E W _PE <2C> - nrEurcc2:s sersca = i.; s.
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.) mm /I A E_m A g.g ii _ .h _ > a _4 ' ' vj < ? 7" i g,~ r ; < -'V k v 4 I7 i i i 4 -t o e 9 12 16 26 24 26 32 T !T (CAYS) Figure 2A-20. Comparison of intake, discharge, and ocean ambient temperatures, March and April,1980. l l l B. TURBIDITY Turbidity was measured in the San Onofre receiving waters bimonthly during 1980 at 46 Unit 1 operational sampling stations in compliance with Environmental Technichal Specification (ETS) Section 3.1.1.a.(4) and NPDES permits and at 28 additional sampling stations in the Units 2 and 3 receiving waters in compliance with Preoperational Monitoring Program (PMP) requirements (Figures 2A-1 and 2A-2). A data collection record for 1980 is presented in Table 1-1. Turbidity itudy objectives are to monitor suspended solids in terms of turbidity in she receiving waters near Unit 1 in order to determine any effect of the dis-charge upon water clarity. The objective of preoperational turbudity monitoring is to provide a receiving water baseline for water clarity and turbidity in the vicinity of Units 2 and 3 diffusers. The PMP for oce0nographic characteristics 1 was tanninated on 5 September 1980. SAMPLING METHODS A detailed description of instrumentation and methods used for turbidity measurements are presented in Brown and Caldwe'il's procedures manual for ETS and PMP (BC 2979). Detailed methods were also reported in Volume I, Oceanographic Data Report (SCE 1980). The following presents a synopsis of methods. Vertical profiles of percent light transe'ttance along a 1 m path were measured with a Martek transmissometer and recorded digitally. Observations of the depth of visibility of a 30 cm white Secchi disc were also obtained at each station to document surface water clarity. Aerial photographs of turbidity were taken from an airplane with a 35 mm SLR came ra. RESULTS Results of turbidity data collected for the San Onofre environmental moni-toring program from January through April 1980 when Unit 1 was operational are presented. Unit I was non-operational from 9 April 1980 through the end of the year. Data collected from May through December 1980 are presented in the Comprehensive Data Supplement (SCE 1981a). Results of light transmittance profiles and Secchi disc measurements j are presented in Tables 23-1 and 28-2. Results of turbidity photographs are on file and are available on request. An analysis of all turbidity data collected during 1980 will be nresented in the Volume III, Annual Operating Report (SCE 1981b). LilERATURE CITED Brown and Caldwell. 1979. Manual of procedures for environmental technical i specifications and preoperational environmental montoring at San Onofre Nuclear Generating Station. Prepareo for Southern California Edison Company. August 1979. 250 pp. 2B-2 i l 2 ' LITERATURE CITED i Southern California Edison Cwpany. 1980. San Onofre.*:sclear Gr.ierating Sta-tion. 19') envirornental technical specifications - Unit.1, construction monitoring program - Units 2.and 3, and preoperational monitoring program - Units 2 ant'. 3. Vol.1. Oceanographic data. January-December 1$ 79. Prepared i by Brown and Caldwell. Marine Sciences Division, Pasadena, California. .80-RD-10. 475 pp. Southern California Edison Company.1981a. OceanogNphic and biologica' :ompre-hensive data suppl ement, San Onofre Nuclear Generating Statfor Volume II:' Environmental technical specifications Unit 1; national tollutant d.'scharge elimination system Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational mon,toring program Units 2 and 3; interim studies and accessory data. Prepared by Brown and Caldwell Marine Sciences Div'sion; Lockheed Environmental Sciences; and Marine l Biological Consultants,Inc. Southern California Edison Company.1981b. Annual operating report, San Onofre 4 Nuclear Generating Station. Volume III: Environmental technical specifica-l tions Unit 1; national pollutant discharge elmination system Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational moni-toring program. Prepared by Brown and Caldwell Marine Sciences Division; Lockheed Environmental Sciences; and Marine Biological Consultants, Inc. (in prepa ration). l l I I l l 28-3 l Table 28-1. Parcent light transmittance at the surface, mid-depth (4m), and near bottom, and Secchi disc reading for January 8,1980. = 1.1 p.t T* anea4tt sem t4.* teft isswuetarsw I4 %I tuer sewi tune sett stat te & 471 Sus faw md hqG Neef Ikt t@ M*ft rej ne.a!Mm ObT) gur f ag gj.qqAA esees Ik4tsen legAh 180 Aix 1499 15 0
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$4 0 S.7 'not t ue d pth eq u i s 4 meters. U pot tow dept h iess than 4 meters. I C. WATER QUALITY Measurements of surface 00 and pH at San Onofre Unit 1 monitoring Sta-tions CO, X0, and C22S (Figure 2A-2) were required bimonthly during 1980 by Environmental Technical Specifications (ETS) Sections 3.1.1.s.(3) and 3.1.1.a(7), respectively, and NPDES permits. Surface water samples for D0 and pH taken bimonthly during 1980 at Units 2 and 3 monitoring Stations J25, J2N, J4S, and F22S (Figure _2A-2) fulfilled Preoperational Monitoring Program (PMP) requirements. A data collection record for 1980 is presented in Table 1-1. PMP monitoring for Units 2 and 3 was terminate *m 5 Se,venber 1980. The objectives of the dissolved oxygen and pH studies were to: 1) assure that natural dissolved oxygen and pH levels are maintained, 2) continue to increase the data base that has been established, 3) indicate the extent to which the operation of Unit 1 affects dissolved oxygen and pH concentrations in the receiving waters, and 4) provide a preoperational receiving water data bast prior to operation of Units 2 and 3, which will subsequently be compared to operational conditions to determine the effects of Units 2 and 3 on the receiving waters. The reporting level for dissolved oxygen is a depression of dissolved oxycen concentration of more than 10% from that which occurs naturally, as measured at the control station. The reporting level for pH is values measured outside the range of 7.1 to 8.7 Monitoring of heavy metal concentrations in the Unit i receiving waters and ocean bottom sediments was conducted quarterly during 1980 in compliance with ETS Section 3.1.1.a.(2) and NPDES permits. Unit 1 operational monitoring stations included Station X0, C22S, D4N, and D45 (Figure 2A-2). Units 2 and 3 quarterly heavy metals monitoring was conducted at Stations J0, J2S, J45, J4N, and J225 (Figure 2A-2) in compliance with the PMP until September 1980 when the program was teminated. The objectives of heavy metals studies were to: 1) detect any measureable increase in heavy metals concentrations in receiving waters or ocean bottom sediments in the vicinity of the Unit 1 discharge, and 2) provide a receiving water and ocean bottom sediment predischarge data base for Units 2 and 3 to be used as a reference to aid in subsequent detemination of operational effects of Units 2 and 3 on the concentration of heavy metals in the environment. SAMPLING METHODS Methods for measurement of dissolved oxygen, pH, and heavy metals are presented in detail in Brown and Caldwell's procedures manual for ETS and PMP (BC 1979). Detailed methods were also reported in Volume I, Oceanographic Data Report (SCE 1980). Surface concentrations of dissolved oxygen were measured electronically at Stations CO, X0, and C225 using a Martek dissolved oxygen probe. A modified Winkler titration method was used to calibrate the electronic sensors. Sur-face hydrogen ion concentrations were measured at Stations CO, X0, and C225 using a Martek pH probe. Mid-depth water and ocean bottom sediment samples for determination of heavy metals were collected by divers and analyzed by atomic absorption to determine the concentrations of chromium, copper, nickel, iron, and ti tanium. Sample analyses were conducted in compliance with guidelines established by the U.S. Environmental Protection Agency (USEPA 1969). 2C-2 RESULTS Resul ts of surface di ssolved oxygen, pH, and heavy metals measurements from bimonthly surveys during 1980 required by ETS and PMP are presented. Additional measurements including dissolved ongen, pH, salinity, and density profile data, currents, and ocean bottom sediment grain size distributions, frun bimonthly surveys are presented in the Comprehensive Data Supplement (SCE 1981a). Results of sarface dissolved oxygen measurements are presented in Table 2C-1. Results cf surface hydrogen ion concentration (pH) measurements are presented in Tabie 2C-2. Results of receiving waters and ocean bottom sediments heavy metals concentration determinations are presented in tr91e 2C-3. An analysis of all dissolved oxygen, hydrogen ion concentration, and heavy metals data will be included in the Volume III, Annual Operating Report (SCE 1981b). Dissolved oxygen concentrations and hydrogen ion concentrations did not exceed specified limits during 1980. LITERATURE CITED Brown and Caldwell. 1979. Manual of procedures for environmental technical speci fications and preoperational environmental montoring at San Onofre Nuulear Gererating Station. Prepared for Southern California Edison Company. Lugust 1979. 250 pp. Southern California Edison Company. 1980. San Onofre Nuclear Generating Sta-tion. 1979 environmental technical specifications - Unit 1, construction monitoring program - Units 2 and 3, and preoperational monitoring program - Units 2 and 3. Vol.1. Oceanographic data. January-December 1979. Prepared by Brown and Caldwell, Marine Sciences Division, Pasadena, Cali fornia. 80-RD-10. 475 pp. Southern California Edison Company.1981a. Oceanographic and biological compre-hensive data suppl ement, San Onofre Nuclear Generating Station. Volume II: Environmental technical specifications Unit 1; national pollutant discharge elimination system Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational monitoring program Units 2 and 3; interim studies and accessory data. Prepared by Brown and Caldwell Marine Sciences Division; Lockheed Environmental Sciences; and Marine Biological Consultants Inc. Southern California Edison Company. 1981b. Annual operating report, San Onofre Nuclear Generating Station. Volume 111: Environmental technical specifica-tions Unit 1; national pollutant discharge elmination system Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational moni-toring program. Prepared by Brown and Caldwell Marine Sciences Division; Lockheed Environmental Sciences; and Marine Biological Consultants, Inc. (in preparation). United States Environmental Protection Agency.1969. Pages 217-451 in Chemistry laboratory manual, bottom sediment, Great Lakes Region Committee on analy-tical methods. December 1969. i i i 2C-3 1 i!' Table 2C-1 Surface dissolved oxygen concentrations.'ag/ liter) from required SONGS Unit 1 operation and Units 2 and 3 preoperational monitoring stations during 1MO.. Unit ! - Operat tonal thits 2.and 3 - Fr mleration.al S4rvey CO 13 C225 L' nit 1 J2N J2S J45 F225 Unite 2 6 3' Date (Intakel (Discharge),Contro11 Ptran atean Jan 8 7.9 7.6 9.3 a.3 8.0 7.9 .3 9.4 s.3 ? Mar 13 8.9 9.1 8.7
- 8. 9 '
9.5 9.0 9.2 8.4 9.0 h May 14 8.8 9.0 . R.0 9.3 9.1 S.A 8.8 9.0 9.0 Jul 9 8.4 M.3 6.8 m.$ 8.7 4.# S.a 9.1 6.8 Sep 10 7.4 7.1 7.6 - 7. 4 sa s a.s .4 s.4 .4 i i 1. i l 4 t Table 2C-2. Surface hydrogen ton concentrations (pH) from required SONGS Unit 1 operational and Units 2 and 3 preoperational l monitoring stations during 1980. tJm it 1 - 4eret tmal Ditt s 2 442 3 = l'rouperational Survey CO X0 CES t% L t 1 J29 J25 J45 F225 Units 2 6 1 Date (Intanel (D& setu r v ) wor:t roll
- le en Mean Jan 4 8.24 8.25 R.21 9.24 8.24 A.27 8.22 8.22 4.21 ma r in 8.25 a.24 H.32 9.27 e.32 M.3%
0.31 8.31 8.32 i May 14 8.30 8.24 8.31 4.29 8.31 8.29
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8.07 8.16 8.13 6.15 8.16 8.16 8.21 B.17 Oep 10 5.20 8.16 d.21 8.20 I m rv 5 m.24 5.22 9.26 8.24 I l s 2C-4 Table 2C-3 Receiving water and ocean bottom sediment heavy metal concentrations during 1980. Receiving Water Ocean hotton Sediment Sorvey Date Survey Date Mean Station Jan 10 Mar 10 May 13 Jul 8 Nov 3 Jan 10 Mar 10 May 13 Jet t Nov I Mean Cupper, mg/l Copper, aq/kg IO 0.006 0.005 0.004 0.001 0.021 .008 4.2 4.4 5.7 3.3 5.0 4.5 C225 0,004 0.004 0.002 0.005 0.002 003 4.2 3.7 1.0 5.4 4.0 4.1 D4N 0.003 0.015 0.004 0.004 0.002 .006 2.2 0.9 8.4 7.1 4.5 7.2 D4S 0.003 0.006 0.003 0.v04 0.001 .001 4.2 24 4.6 3.2
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7.4 JS 0.004 0.005 0.002 0.C04 .0J4 6.0 3.6 4.0 5.4 4.8 J25 0.004 0.006 0.005 C.004 0L5 46 1.2 2.0 6.1 3.5 J4M 0.002 0.003 0.002 0.001 .002 5.9 2.9 3.0 4.0 4.0 J4S 0.001 0.002 0.002 0.001 .002 4.3 2.6 0.7 4.2 3.0 J223 0.004 0.002 0.004 0.001 .003 3.9 4.2 1.7 3.2 3.2 Chropaum, IN/1 Chromium, mg/kg x0 0.001 0.001 0.001 <0.001 0.002 <.001 12 14 17 15 12 14 C225 0.001 0.001 -0.001 0.001 0.002 *.001 15 15 23 19 13 17 D44 e0.031 0.001 -0.001 <0.001 0.002 a.001 12 20 25 18 21 19 D4C 0.C01 <0.003 0.001 <0.001 0.002 -.002 19 44 24 18 6.0 21 JO 0.005 'O.001 0.001 <0.001 - *.002 19 15 24 20 13 J25 <0.001 P 001 .D.001 <0.001 .001 19 17 .i 19 Le J4M 0.001 0.001 <0.001 +0.001 - < 002 is 11 16 15 16 J45 0.001 <0.001 0.00L 'O.001 - <.001 21 7.9 i6 19 15 J223 0.001 <0.001 +0.001 0.001 .001 36 15 il 17 - la Icon, mg/1 Ir>n, aq/kg x0 0.41 0.71 0.41 0.J5 0.24 0.41 7550 9850 190 7220 0100 8426 C225 0.21 0.09 0.10 0.27 0.14 0.21 7360 7290 A90 9310 6100 7590 c4% 0.!B 0.12
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$190 14400 tt000 11900 13600 12400 04s 0.23 0.09 0,34 0.27 0.15 0.22 0400 2B800 13300 6070 2000 11110 Jo 0.20 0.09 0.14 0.22 0.17 9770 7150 4650 8830 4900 J25 0.IP 0.09 0.lh 0.16 0.15 8240 1240 '690 9490 6660 J41 0.23 0.06 0. 9 0.18 0.16 9410 67?0 0300 6020 8260 Jes 0.20 0.09 0.20 0.14 0.16 4180 2270 $t60 7173 5s70 .1225 a.20 0.09 0.16 0.14 0.15 6540 7e30 7260 6070 6920 Nickel. N/l hackel, pg/kg NO 0.01e 0.001 0.001 0.006 0.007 .004 7.2 5.7 7.0 4.0 9.3 6.6 C225 0.006 0.003 0.C01 0.012 0.006 -.006 7.4 5.7 9.0 6.5 7.7 7.1 D42 0.002 0.005 0.001 0.007 0.009 005 5.8 12 13 7.8 il 10 D4 5 0.000 0.007 0.001 0.015 0.009 .008 10 2a 11 6.5 4.5 12 JD 0.006 0.00 L 0.001 C.006 .004 9.6 5.6 4.0 7.8 7.8 J25 0.001 <0.001 0.001 0.006 .003 8.8 1.3 6.5 8.8 6.4 J4M 0.002 0.001 0.074 0.004 -4 .020 9.9 1.2 7.0 5.6 6.4 J45 0.001 0.001 0.001 0.006 - <.003 4.6 4.8 4 4 6.5 6.1 J225 0.005 <0.001 0.001 0.006 .003 7.2 5.5 7.0 5.5 6.3 Titans #m. mq/1 Titanium, pq/kg 20 <0.1 <0.1 0.1 <0.1 0.1 <0.1 458 57s 699 795 529 610 C225 '0.1 0.1 <0.3 0.1 40.1 <0.1 514 5.' ) 965 912 526 691 D4N 0.1 .c.1 0.1 0.1 0.1 =0.1 352 71 0 1240 1010 950 844 c45 0.1 1.1 <0.1 <0.1 <0.1
- 0.1 581
?90 1190 1160 389 862 Jo <0.1 G.1 0.1 <0.1 <0.1 828 459 1130 1040 864 J25 <0.1 +0.1 0.1 0.1 <0.1 94k 124 850 845 692 J4N 0.1
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<0.1 <0,1 528 351 1130 728 684 Jes -0.1 <0.1 <0.1 C-1 <0.1 989 201 503 1060 689 J225 0.1 <0.1 a0.1 0.1 <0.1 646 454 1140 1015 824 Total Solids, percent MO 76.5 70.0 75.1 75.5 75.4 74.7 C22S 77.8 74.8 74.5 74.0 50.8 76.4 044 78.1 72.7 71.1 73.9 73.5 75.9 D4S 77.4 60.6 75.6 77.4 83.0 75.0 J3 75.5 76.2 75.1 74.2 75.2 J2S 76.5 80.6 71.5 74.0 74.2 J4N 75.8 78.3 75.4 75.5 76.2 J45 75.8 98.2 74.6 77.5 79.0 J22S 76.5 76.7 74.7 77.6 76.4 l Chapter 3 INTERTIDAL The infaunal intertidal investigation was conducted in compliance with the California Regional Water Quality Control Board - San Diego Region (CRWQCB-SDR) Monitoring and Reporting Program No. 71-6 for construction of the San Onofre Nuclear Generating Station Units 2 and 3, including Technical Change Orders 1, 2, and 3. The purpose of the investigation was to determine if construction related changes in the sandy intertidal habitat would have a detrimental effect on the sandy intertidal coninunity. In 1980, the program was conducted in February only, as construction activities teminated 6 February 1980. Five pemanent intertidal transects, used since December 1976 (MBC 1978) were reoccupied during February 1980 (Figure 3-1). Sampling was conducted on three consecutive days during the lower tidal series of the month. Beach profiling was conducted on the first day. Biological and sedimentological core sampling was performed on the two days following the surveying. SAMPLING METHODS Biological Sampling Along each transect, seven biological sampling stations were established at one foot vertical increments between mean lower low water (0 f t) and the +6 f t elevation using a modified surveyor's transect. Five replicate 5 liter cores (15.24 cm in diameter and 30 cm long) were collected at each station as.it was exposed on a receding tide; one core from the transect centerline, and one at 3 and 6 m to either side. Cores were field screened through a 1.0 mm mesh. Retained organisms were preserved in 10% buffered Formalin-seawater. All specimens were returned to the laboratory, identified to the lowest possible taxon, and enumerated. Physical Measurements and Grain Size Detemination At each transect a beach profile was constructed from the 0 ft tidal eleva-tion to the maximum tidal excursion of the survey day, using a self-leveling surveyor's transit. Surf temperatures were recorded at each transect. A core sample for grain size analysis was collected adjacent to each biological sample. Grain size distribution of the sediment was determined by standard automatic settling tube analyses (combined with sieving for gravel when necessary ). RESULTS Tables 3-1 and 3-2 present a summary of the pertinent biological and physical data collecteo. For a complete presentation of the biological and physical data collected (SCE 1981a). Analysis of these data will be presented in the Volume III, Annual Operating Report (SCE 1981b).
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( .t, ,i a s .y . t. f .~.., - l t, I5 ,m ia I il i s / '(t t i ; 1 / !i iI i j Figure 3-1. Intertidal infaunal transect locat'.ons. ~ _. =... _. _ - = . ~ _ - - 3-3 Table 3-1. Mean density of intertidal organisms inaber/5 liter core) by transect. February 1980. l SPECIES MEAN SPECIES EAN TRANSECT AA TRANSECT DD HEMIP0005 BOREALIS 0.03 HEMIPODUS BOREALIS 0.06 EMERITA ANALOGA 0.17 EXCIROLANA KINCAIDI-: 0.03 EERITA ANALOGA 0.54 TRANSECT BB TR M CT EE HEMIP0005 BOREALIS 0.06 EXCIROLANA LINGUIFRON 0.03 HEMIPODUS BOREALIS 0.14 EMERITA ANALOGA 0.C5 LUMBRINERIS ZONATA 0.03 EMERITA ANALOGA 0.57 l TRANSECT CC HEMIPODUS BOREALIS 0.03 MICROSPIO ACUTA 0.03 EXCIROLANA LINGUIFRON 0.03 EMERITA ANALOGA 0.31 4 f 4 e i l 3 3-4 l Table 3-2. Mean grain size analysis by station and tidal devation, February 1980. TIDAL ELEVATION (MLLW) PARAMETER 0 1 2 3 4 5 6 TRANSECT AA % GRAVEL 27.60 15.60 16.16 15.46 10.18 5.44 4.58 % SAND 72.40 84.40 83.78 84.54 89.82 94.56 95.42 % SILT / CLAY 0.00 0.00 0.06 0.00 0.00 0.00 ').00 MEAN PHI -0.25 0.33 0.57 0.32 0.52 0.75 0.85 SKEWNESS -0.46 -0.66 -0.59 -0.58 -0.57 -0.43 -0.78 KURTOSIS -0.06 1.62 0.85 1.43 2.27 1.71 4.41 SORTING 45.93 53.33 51.59 53.81 56.68 61.05 64.01 TRANSECT 88 % GRAVEL 3.36 1.00 0.14 0.00 1.08 0.54 0.16 % SANO 96.64 99.00 99.86 100.00 98.92 99.46 99.84 % SILT / CLAY 0.00 0.00 0.00 0.00 0.00 0.00 0.00 MEAN PHI 1.20 1.18 1.16 1.07 0.89 0.99 1.05 SKEWNESS -0.48 -0.29 -0.09 0.14 -0.02 -0.00 0.06 KURTOSIS 1.07 0.43 0.11 0.11 0.71 2.05 1.01 SORTING 58.60 63.18 66.55 68.15 65.06 70.30 70.68 TRANSECT CC % GRAVEL 1.16 2.16 0.24 0.44 0.60 0.24 0.04 % SAND 98.84 97.86 99.76 99.56 99.40 99.76 99.9f % SILT / CLAY 0.00 0.00 0.00 0.00 0.00 0.00 0.00 MEAN PHI 1.18 0.51 0.98 0.79 0.73 0.77 0.88 N EWNESS -0.32 -0.00 -0.M 0.9 0.07 0.12 0.25 KURTOSIS 1.43 0.98 0.80 0.67 2.25 1.54 1.22 SORTING 63.87 65.22 69.18 68.30 70.92 74.16 74.91 TRANSECT DD % GRAVEL 6.72 1.52 1.94 2.12 1.52 1.18 0.82 % SAND 93.28 98.48 98.06 97.88 98.48 98.82 99.18 % SILT / CLAY 0.00 0.00 0.00 0.00 0.00 0.00 0.00 MEAN PHI 0.52 0.85 0.63 0.65 0.69 0.69 0.75 SKEWNESS -0.59 -0.34 -0.37 -0.33 -0.48 -0.49 -0.44 KURTOSIS 2.04 1.93 3.32 3.52 2.94 2.97 2.17 SORTING 61.14 67.34 66.92 67.34 72.07 72.55 72.46 TRANSECT EE % GRAVEL 4.08 2.72 6.32 4.44 2.00 0.90 0.70 % SAND 95.92 97.28 93.68 95.56 98.00 99.10 99.30 % SILT / CLAY 0.00 0.00 0.00 0.00 0.00 0.00 0.00 MEAN PHI 0.88 0.98 0.59 0.63 0.76 0.83 0.85 SKEWNEFS -0.36 -0.49 -0.19 -0.31 -0.40 -0.28 -0.46 KURT0515 2.26 3.26 0.71 1.17 2.45 1.34 3.66 SORTING 63.30 65.96 59.69 63.20 66.07 69.87 71.35 i 3-5 LITERATURE CITED Marine Biological Consultants, Inc. 1978. Construction monitoring program for San Onofre Nuclear Generating Station, Units 2 and 3 December 1976-December 1977. Prepared for Southern California Edison Company. [78-RD-21] April 1978. 150 pp. Southern California Edison Company.1981a. Oceanographic and biological compre-hensive data suppl ement, San Onofre Nuclear Generating Station. Volume II: Environmental technical specifications Unit 1; national pollutant discharga elimination system, Units 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational monitoring program Units 2 and 3; interim studies and accessory data. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marine Biological Consultants,Inc. Southern California Edison Comptay.1981b. Annual operating report, San Onofre Nuclear Generating Station. Volume III: Environmental technical specifica-tions Unit 1; national pollutant discharge elimination system, Units 1, 2, and 3; construction monitoring program Units 2 and 3; precperational monitoring program. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marine Biological Consultants, Inc. (in preparation). .i l 1 . m i, CHA M R 4-BENTH05 A. ROCK / COBBLE SUBSTRATA, KELP BEDS ENVIRONMENTAL TECHNICAL SPECIFICATIONS (ETS) - UNIT 1 This program was established to assess whether the operation of San Onofre Nuclear Generating Station Unit 1 has any sionificant environ ental effect on the doninant, field identifiable nenbers of the epibenthic connunities of subtidal cobble habitats and the kelp beds in the vicinity of San Onofre Unit 1. Benthic diving and infrared kelp surveys are conducted in compliance with ETS Section - 3.1.2.a(1)C.1, the Construction Monitoring Program (CMP) requirements, and - the National Pollutant Dischrqe Elinination Systen (NPDES) Permit requirements. Methods A detailed description of station locations and field methodology is given in ETS Benthic Survey Procedures (LES Procedures E"P 25-5-35). A general review is presented below. Eleven pe rmanent benthic stations were established in areas of comparable substrata in February 1975, eight (Stations 1-8) along the 10-n depth contour and three (Stations 9-11) in kelp beds (Figure 4A-1). Stations were marked with per-nanent surface buoys. Four stations (Stations 1-4) were established near the discharge; five stations (Stations 5, 6, 7, 8, 11) were established downcoast, including one in Barn Kel ; )ne station in San Onofre Kelp (Station 10); and one t ctation in San Mateo Kelp ;5tetion 9). Two additional stations (Stations 22 and
- 23) were located in San Onofre Kelp as part of the Construction Monitoring Program
MP). A pernanent hand transect 10 n in length and 1 n wide was establishta at each henthic station. Field identifiable epibenthic macrobiota were surveyed quarterly at each of the permanently narked benthic stations using nondestructive sampling techniques. Conditions permitting,- narine biologists identified and enumerated epibenthic nacrobiota, nade estinjtes of percent areal coverage of colonial and encrusting taxa in each of 10 1-n' quadrats at each station, and recorded data on preprinted data sheets. In order to maintain consistency in data recording anong biologists. the type of data to be reported for each organism was standardized and in61cated on the data sheets. i Additionally, the following information was collected within the band tran-sects at Barn Kelp San Onofre Kelp, and San Mateo Kelp stations: (1) number of ) stipes on each individual kelp plant counteo 2-n above the bottom, (2) general conditions of the kelp plants (e.g., frayed fronds), and (3) kelp growth (e.g., fronds). Ancillary data on the configuration and areal. extents of the kelp - new canopies were deternined by aerial infrared and electronic procedures, respectively. Ep1 benthic nacrobiota were surveyed quarterly from 24 Jan9ary - 10 February, 28 April - 2 June, 24 July - 17 August, and 23 Octnter - 3 Nov?nber. Nearshore winter storns during January, February, and March resulted in unacceptable diving i 4 s-I' ...v-. 4A-2 El-Kw , /.. v ~m, s a yy l'* [C- ' \\, "Ja 1, i hil. 333 lt .\\ t j/
- i 1
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/ 2 - y) t .= } 5 y '.-.l' ,l i ~, _ A s ,..s ', q. A' :3.,'y, s ,~ ') s,s e s, j -,q k. t t s' g 8 2 / + ,l Figure 4A 1. ETS, CMP, and PMP benthic station locations at San Onofre Nucieer Generating Station. Sheded areas represent the areal extent of the kelp canopies sempied in December 1978. l 4R-3 1 conditions consequently only six ETS benthic stations were sampled during the first quarterly sampling period ' of 1980. This data. loss was reported to the Nuclear Requiatory Commission (NRC) by means of a 30-day non-routine report sub-nitted in March 1980 in 'accordance with Administrative Control Section 5 of the ETS. Adverse weather conditions prevented Construction Monitoring Stations 22 and 23 from ' being effectively sampled during the first quarterly survey period. Sanpling at these stations was conducted during the April-June survey. The configurations of the kelp canopies of the San Mateo, San Onofre, and 4 Barn Kelp Beds were monitored quarterly by aerial infrared photography. The areal extents of the kelp canopies were mapped twice a year by electronic proce-dures (SCE 1980e). Results I - A sumnary of data collected during 1980 ETS and CMP benthic surveys is pre-sented in the following tables. Rank, mean abundance, and frequency of occurrence of percent cover and t:,;merated taxa sampled at all stations during each survey are presented in tabular form. The detailed distribution and abundance of orga-nisms sampled at each station are contained in Volume II: Comprehensive Annual Data Report (SCE 1981a) and will be analyzed in Volume III: Data Analysis for the 1980 Annual Operating Report (SCE 1981b). Results of the quarterly monitoring of the San Mateo, San Onofre, and Barn Kelp canopies by aerial infrared photography, and the semiannual kelp mapping surveys are on file. l PREOPERATIONAL MONITORING PROGRAM (PMP) - UNITS 2 AND 3 Preoperational benthic surveys were conducted quarterly in compliance with specifications set forth by the Nuclear Requiatory Commission on 6 July 1978, for Saa Onofre Units 2 and 3. The objective of this study was to provide baseline data for use in deter-nining the nature, extent, and significance of the effects of Units 2 and 3 on the species composition, distribution, and abundance of the epibenthic biota associated with the cobble / sand habitat. Methods A detailed description of station locations and field methodology is given in PMP Benthic Survey Procedures (LES Procedures B-1-1/79). A general review is presented below. Ten permanent benthic stations were established along the 15-m isobath in areas of comparable substrata in June and July of 1978 (Figure 4A-1). Stations l were established in pairs and marked with permanent surface buoys. Two stations are located in Zone 3A (Stations 12,13), OB (Stations 14,15), and 6 (Stations 20, 21), and four stations (Stations 16-19) are located in Zone 2B. Each per-f manent benthic station consists of a rectangular 6.0-m2 area (2 m x 3 m). Diving marine biologists utilized two reference (stationary) lines and one novable sampling line to sample each 6.0-m2 station area with 300 evenly distri-buted points. Data collected at each point included the identification of substratum and biological taxa. Up to three taxa levels,2 indicating layering in the ccamunity, were recorded. Additionally, four 0.125-m square quadrats were randomly located within the 6.0-m2 station area and were sampled with 60 evenly distributed points to identify small cryptic, clunped, or patchily distributed i m. 4R-4 2 2 . taxa. Data. for bothisampling elements-(6.0-m and.0.125-m quadrats) were 1 recorded by individual biologists on task-specific,~ waterproof data sheets. The PMP benthic study. was' completed,- in June 1980, in compliance with the Johjectives of.the PMP. as approved by the NRC. Although the PMP benthic sampling-periods were scheduled quarterly, only the second quarterly survey was completed-during 1980. Only two PMP benthic stations 'were sampled during the first 1980 . sampling effort before it was terminated due.to unacceptable diving ' conditions -resulting fron ' nearshore storms. _ This data _ loss was reported to the Nuclear - ~ Regulatory Comnission (NRC) by means of a 30-day non-rtutine report submitted in March 1980 in accordance with' Administrative. Control' Section 5 of the ETS. The second quarterly sampling was completed during the period from 7 May 2 June _ 1980. Results . _ A summary of data collected during the 1980 PMP benthic surveys is presented .in the following tables. ank, nean abundance, and frequency of occurrence of . taxa. sampled by the 6.0-n} and 0.125-m 2 in techniques at'all'stationsL during each; survey are presented in; tabular form. The detailed distribution and abundance of - 1' organisms sampled at each station are contained in Volume III: Comprehensive- [ Annual Data Report (SCE 1981a) and will be analyzed in Volume 111: Data Analysis for the Annual Operating Report (SCE 19Cib). LITERATURE CITED - Southern California Edison Company (SCE). 1981a. Oceanographic-and Biological i Comprehensive Data Supplement, San Onofre Nuclear Generating Station. Volume II: Environmental Technical Specifications Unit-1 National Pollutant j Discharge Elimination System Units 1, 2, and 3 Construction Monitoring Progran Units 2 and 3, Preoperational _ Monitoring Program Units 2 and.3, Interim Studies, and Ancillary Data.. Prepared by Brown and Caldwell, Lockheed Environmental Sciences',.and Marine Biological Consultants, Inc. Snuthern California Edison Comoany.(SCE). 1981b. Oceanographic ar.d Biological Annual Operating Report, San Onofre Nuclear Generating Station. Volume-Ill: Environmental Technical Specifications Unit 1,.. National Pollutant Discharge Elinination System Units 1, 2, and 3, Construction Monitoring Program Units.2 and 3, and Preoperational Monitoring Program Uni.ts.2 and 3. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marine Biological j Consultants, Inc., (in press). 4 d 4 f' 1 ~ _,.. 4A.5 a E s v-a
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- Table 4A-2.
Rank, mean abundance (percent or number /m ), and frSquency of occur-
- C'rs 2
rence of benthic orgSnilms sampled at all ETS benthic stations during the April 1980 survey period.
PERCENT COVER DATA ENUMERATION DATA
. RANE ABUND& ACE F8dQUENCY MAnt RamE AAUNDamCE FREQUEleCT MANE 1.5 f.808088 T
CRUSTOSE CORALLINES,UNIDENT.
1.0 24.880005 7
CEELVOSOfth PRODSCTUBt 2.8 3.490881 8
ECTOP40 CTS.UNIDENT.t ENC RUSTING) 2.8 2 788885 S
MURICSA CALIFORSICA 1S 3.389999 6
ECTopacCTS.UNIDENT.tERECTt 1.8 2.389999 T
DIOPATRA CDMhTA 4.9 3.248881 6
FARTOSILvosA 4.8' 1.SSSSSS
. S STYELA It)pTEREYENSIS 1.9 8.198881 1
anoDYnEu!A SPP.
S.8 S.575888' 7
SP10CNARTOPTERUS COSTASU38 4.8-2.168885 7
NVDBOIDS.UNIDENT.
4.8 8.968888 4
CYSTOSEIRA # NALIDsTS 1 ?
1.438888 7
CORALLINA t EALIPTTLON f.S 8.SSESSS S
DICPATRA SPLLEDIDISSINb 4.0 1.290088 4
htLDENSRANDIA Ps0TOTYPTS 8.8 S.528000
' 6 PYUR& R&USTOR 9.0 1.268888 6
PTEaOCLADIA t GELIDIUM
- 9. 8 -
8.488888
?
EELLETIA EELLETII 19.9 1.919999 1
RALANUS SPP.
18.8 f.458008
. 4 EAOLUTUS ACTIUS-11,9 8.798888 4
WHITE CORALLINE CRUST 14.9
'S.488889 3
LWTECalsoS SPP.
I 12.5 S.688888 1
BBYOPSIS COSTICVIANS 12.8 S.349088 4
MITRELLA C&aIEATA 13.9 S.S90008
'I ASTRANGIA SSP.
13.8 S.278888 3
AATBOPLEURA ARTENISIA 34.8 S.568888 BOSSIELLA SPPo 14.8 S.248889 4
NUSICEA FSUTICOSA 15.8 S.SISSSS 1
DNODOPNYTES.UNIDENT.
IS.S
's.2300SS 1
STROMGYLCCESTp0TUS FR&arISCANUS 16.8 S.910888
?
LEUCILLA NUTTINGI 16.9 S.188888 4
PAGUEIDS.UNIDENT.
17.4
. S.488888 1
SRfCPSIS NYPROIDES 17.8 S.178988 S
PAT 133& mIu1&TA 18.9 S.428508 5
POSIFERANS.UNIDENT.
19.9 f.1388SS 2.
OpUPMID,UsIDEpf, 19.8 8.349898 4
PRIONITIS SPP.
19.8 S.118888 1
LAntsmaIA SPP.
~ 28.8
. S.348888 4
EUNERDMAm!A CLAVIFORNIS 25.8 S.878988 2
STSomeYLOCENTROTUS PUDPURATUS 21.8 S.278888 4
TBIDIDEMNUM / DIDEMNUR 22 S 9.068800 2
PTERYGOPWOAA CALIF 0ESICA 22.8 S.229888 3
ASCIDIAN F 22.8 0.068808 3
SABELIASIO.USIDEST.
23.8 S.288888 1
AcaOSORIUM UNCINATOR 22.8 8.960804 2
PAGUBISTES SPP, 24.8 S.140pfe 4
COLONI AL ASCIDIAN.UNIDENT.
24.0 S.808808 2
ASTR&th UNDDSA 21.5 8.138888 2
MACSOCYSTIS S PP.4 50LDFAST)
IS.S' S.859888 4
' POLYCHAETES.UNIDENT.
26.S
. 3.128988 3
GIGARTIn& SPP.
29.5 S.899998 1
fthXw3LLIA SEBEth 27.8 S.118888 9
RELLETIA EGGS 28.S 8.818888 1
PHOLAD.Um! DENT.
30.8 S.898880 2
CogYmACTIS CALIFORu!CA 29.8 S.048888 2
PTEROPURPUna FESTITA 4
29,8 S.879888 1
PLOCAMIUM SPP.
29.5 8.848805 3
&mENDNE.95IDENT.
32.8
' S.9608SS 4
BOTRVOCLADIA PSEUDODICNOTOM4 29.9 4
32.9 S.848988 3
SERPULIDS.UNIDENT.
31.8 '
8.94S988 3
FIS& STER SIGANTEUS -
O.848888
.2 CLAv5 Lima musTSukst 32.0 S.86SSSS 1
' APLIDIUM SPP.
33.8 -
S.838988 3
CouvS C&LIFOsm!CUS 32.8 S.969999 3
Au!SOCLADELIA PACIFICA 33.8 S.839890 3
PISASTEa maEVISPipOS 33.3
, 8.848888 1
SALathCINA T9ISRASCEIATA 35.8 S.SSSSSS 3
PISTA SPP.
31.9 S.848SSS 2
C&LLOPHYLLIS SPP.
51.8
.S.938889 1
DABELLASIA CEstasTASIUUB 17.9 S.948888 1
NYMENSAIPNIASTRA CV&MOCRYPT&
37.5 5,820eOS :
2 TEALIA SPP.
37.8 S.848888 1
CSTPTopSmIA # RALYNENIA # SCEISTMEDIA 31.9 8 928888 2
NOLOTNURCID.U51 DENT.
37.5 0.048888 1
PRAIOPWYTE.USIDENT.
37.9 S.8200SS 2
LOMONEYIICBUS SPP.
39.8 S.938888 3
LEUCCSOLERIA SPP.
~31.5 9.92SSSS 2
SOLIT&SV ASCICI&IB.USIDENT.
48.9 S.938598 1
COELOSEIRA / CNAMPIA 49.8 8.828088 1
WUDIBR&BCE BGGS 41.0
-S.828888 1
LEUC &WDRA NEATNI 43.8
'S.828888 1
BAL&Bk3PNYLLI& ELEGAIIS,
42.8 8.818888 1
PHYCODRVS SPP.
43.8 -
S.828885 1
CNELID0Maa IpPsnIS 43.8 S.818888 1
' JANIA SPP.
43.8 S.828885 1
SA&ELLID.083 DENT.
43.8 S.019888 4
DICTYOTA I PhCNYSICTYolt 49.8 S.828888 1
Astm 0PLEUmm SPP.
55.769939 IS TOTAL AND MAXIMUM FREQUENCY 43.8 S.828888
<1
' Lassisorp.pu!DEsf.
43.5 S.928088 1-PsameaSTOPOIE CALIFONICA SS.S 9.819908 4
CSSPIDdLA SPP.
59.5 S.918888
' 1 TERESELLID.UBIDENT.
L PSYLLOCEESTOPTEBOS OBOLIFICA -
SS.S '
'8.818598 SS.S 8.810898 1
AS TERoIDS.Uu! DENT.E. TUT. 3
$8,5,
8.81S*t0 a
.mERMISSEn g CRASSIC0te!S l
98.5 '
8.818888 1
DERstASTERIAS IMBRICATA SS.S 8.810888.'
1 STTELA SPP.EJUT I i
$8.5 S.818898
. 18
. TOT &L hmD senxInsuat FaEoUEmCT 1
ANTMOPLEURA MANTh0GRAsutICA 36.949979' 1
m.
-w.-
r e
m m._
Table 4 A-3.
Rank, mean abundance (percent or number /mD, and frequency of occur.
rence of benthic organisms Sampled at all ETS benthic Stations during the July 1980 Survey period.
PERCENT COVER DATA ENUMERATION DATA
- SANE ABUNDAKE PSEQUENCV RAME RANE ASONDANCS FR$QVTRCT MAME 3.9 9.311381 S
PARFOSTLTOSA 1.8 71.953598 7
CNELTOSONA 790DUCTUM 7
CRUSTUSE CORALLINES.UNIDENT.
2.8 3 344443 7
MUDICEA CALIPCBNICA 2.8 B.044469
't ECTCPpvCTS.UNIDENT.4 ERECT b 1.8 2.766444 8
DtOPATRA CpWATA 3.9 0.711882 4.5 4.144444 3
3CTornoCTS.UNIDENT.(ENTRUSTING) 4.8 2.423221 7
STYELA MONTEREYEN3!S DNobyMENIA SPP.
S.4 S.988959 3
ANEMONE.UNIDBNT.
$.5 3.SSSSSS 9.8 j.799999 4
CORALLINA / NAttPTYLOM 6.8 8.917778 5
EPIOCRASTOPTEaUS COSTERon T.S 1.233334 0
stLANUS SPP.
T.S s.499899 3
CVSTOSEtna # maLIDRVS 3.3 1,395554 7
NVDNOIDS.VNIDENT.
S.5
' O.499SS4 4
PTURA RAUSTOS 9.8 8.sete47 PREntx tADI A / GtLIDIUM 9.8 0.359954 1
SAOLUTUS ACT105 le,s 1,344444 2
SRWOPSIS NVPNGIDES 18.9 S.344445 4
EBLLETIA NELLEftt St.e 5.333388 2
ACR000Rf'IM UNC)NATUM 11.8 5.321222 4
MUSICEA FOUTICOSA 12.9 8.76a64p 5
ASTRANGtA SPP.
32.8 S,380830 4
ONUPMID.UNIDENT.
Al,8 S.544447 9
RNJf5uPNYT S S. WN i BENT.
83.8 S.580888 6
COMUS CALIFOBRICOS 34.0 S.544449 8
LEUC 1LLA NUTTINGI 14,3 3.277778 2
STRONGYLUCSFTuofv3 FRANCISCANG 13.s 8.466667 4
POSIFERANr.UNIDENT.
-19.3 S,244444 4
PET 1914 setN1ATA 14.8 S.433333 2
DALApus SPP. tDEADI 14.S 8.288888 2
PAGUstSTse SPP.
I 17.5 S.411111 2
MACNOCTSTIS SPP.t NOLDFASTt se.$
S.3seSee MITS&LLA CARIMaTa
$7,3 3,411111 3
30SSISLLA SPP.
19.9 3.144444 2
pgCPATRA SPLENDIDISStatt -
19,9 s.433889 9
N!LDENBEANDIA PRDTOTYPUS 10.9 S.144444 3
PagenIDS,Un DsNT.
28.8 8.322222 TRtDIDEMNUN # D I D E38 NUN 21.9 0.122222 1
at04.OTNUROID,5NIDENT.
al.S 8.286447 P910NI138 SPD.
21.S 8.822222 2
C VSTOSIIRA 899.
l 22,5 S.244444 4
CRYPTONEM]A # NALYMENIA # SCRISTMENIA 21,5 g.423222 2
gTgONWILOCENTROTUS PUDPUtaTUS l
23.9 9.238333 6
COLCNIAL ASCIDIAN.UNIDENT.
24.S S.122222 1
PAGURUS SPP.
l 34.8
. e.2sesse 3
PLATVTWAMN10N SPP.
24.0 S.414111 l
SABELLED.UNIDENT, 5
23.9 p.130059 4
LEUCOBOLENIA SPP.
34.8 8.gesSee 3
LAMIIantIA sPP.
l 23.5 S,138009 2
COBVNACTIS ( ALIFORNICA 28.8 S.188888 3
ANTNOPLSURA AWTEst25tA
' jf.0 9.b77718
- 4 G1G&WTINA SPP.
28.0 S.1930es 4
PTEpoPUtrumA PEST 3W&
29.5 8,1SSSS$
4 EUNEROMANIA Cte flFDEM15 23.8 S,SF7777 3
PugAGathTOPOMA CAL 3tesARICA 29.5 S.122222 2
BALM 4CINA Tall.ANCNIATA 29.8 8.844444 2
LTTECNINUS SPP.
38.9 8.131143 4
CALLOPHYLLIS Pee.
SS,9 8.855S98 1
PTSAVGOPMonA CALIFORNICA 30.9 S,381314 i
BOTRYOCLADIA PSEUDDDICNOTuMA 38.3 8.833S94 NENa! CIA SPP.
32.3 f.tesese 5
PNA EOph tTS. UNI DENT.
33.8 9.844444 2
S AS El.LA R I D.VN 1D ENT.
33.9 8.s77777 4
AutsurLADELLA PACIflCA 33.8 8.e44444 g
PISASTER GIGANTEUS 33.S
.S.877P17 4
PLDCAMtOM SPP.
33.0 S.844644 1
DODBCACEDIA P 5tul ES I P '
36.8
. d.854446 2
APLIDIDM SPP.
36.5 S.851333 2
ANTaoPLSURA RANTEDGRAAMIICA 36.9 S.846444 LWUt"ANORA NEATN!
1s.S 8.833333 2
ReRM185ENDA CRASSICORNIS 36.9 S.858664 AmC1DIAN P St.S S,s63333 1
POLYCERA TatCOLos St.$
S.844444 1
DESMADESTIA SPP.
3s.S s e33333 2-CLATgLINA NUNTsMnMI.
33.9 3.844444 NURIC$AlItDalSUNC IIOLDFASTB 40,8 42.9 8.893333 2
PYCNOCLATELLA STANLETI 49.8 '
0,322222 3
NUDgsm&NCR 5008 O.82!222 I
It&CeccYSTIs 37P.-
42.8 8.853331 2
CLADOPMCAA SPP.
49.8 8.922222 I
LoxopMTMCNUs 3Pp, 42.8 8.833333 i
RELLRT'A BeOS 49.9 S.811111 1
OCTOPUS SPP.
42.9 8.033939 1
JANIA SFW.
49.S 8.911481 4
D80ftASTER1&$ 1353:CATA 42.s s.833333 2
SEarvLIDS.UNIDENT.
49.S 9.911484 rLAssLLINoPats goDissa 40.S 0.311381 1
NNr st BSSCT CORELLINE 49.5 S.851464 AttaAEA UNDOSA 48.5 S 911111 1
DN'TTOTA # P&CNYDICTTON 49.9 s.st1831 4
PotyCNARTes.ONtesNT.
49.5 S.811114 3
F fMENAMPRI AST9A CTENOC ATFTA 49.5 S.811111 1
PROLAD.WWIDENT.
43.9 8.311881 LAUNE9W"IA SPP.
49.9 8.861384
'ptsasTsa sesTrerfMSS 43.3 0,still!
BBYOPSIS CORTICULANS 49.S 8.941344 1
OLITSLLA SIPLICATE 40.1 S.allli!
ASC30 TAN S 49.5 0.811111 1
SISta GPS.
48.S 8.s11111 1
COELOSEIRA # 'CMAMPIA 49.9 91811111 s-TBTRY& AURANTIA -
4$,5
- 8. gall)&
4 RNODOPTfLUM PLUMuSUN 49 1 S.811114 f
CANCEs ANTBNunatUs 44.318143 9
TOTAL AND stax1 MUM resovENCT 49.S 9.811111 POLYCERA ATRA 49.9
- 8. Skill!
PARAETICNOPUS PARTIMENelt 49.9 8.8811&?
PUGETTIA SPP.
49.8 8.811431 1
conID.UNIDENT.
A 49.S 8.914151 1
SOLITARY ASCfDIAP.UNIDENT.
97.177f88 9
TOTAL AND MhEINGt FBBOUENCY 8
%J-t 4
2 Tabl8 4A.4.
Rank, mean abundance (percent or number /m ), and frequency of occasr-rence of benthic organisms samplSd at all ETS benthic stations during the
/n October 1980 SurYSy period.
PERCENT COVER DATA ENUMERATION DATA RANE '
A39NDANCS v33QUENCY NAME RANE ASONDANCE F B BOUEasY NAME 1.8 33.993309 7
BCTOPROCTS,UNICEST.!ENCRUSTINGD 1.8 32.588888 6
CNELYOSOMA PRODUCTUM 2.5 te.17eefs
?
ECTOPROCTS.UNIDENT.t ERECT t 2.8 3.699958 8
DIOPATRA ORMATA 3.8 8.185s30 CRUSTOBE CORALLINES.UNIDENT.
3.8 3.339999 7
MUEICEA CALIFORNICA 4.8 S.9ff999 7
PARTOSILTOsa 4.8 1.938988
?
STYEIA le0NTEREYENSIS S.S 3.913338 7
NYDROIDS.UNIDENT.
S.S 1.4238#8 2
NITRELLA CASINATA 4.9 2.793s#1 7
RNODYMEnIA SPP.
6.8 8.98SeSS 7
SPIOCHAETOPTERUS COSTAIUBt
?.S 1.47333f 7
CORALLINA / NALIPTYLON 7.8 f.88e8SS 6
SABELLABID.VNIDENT.
8.5 1.4seses S
SBYOPSIS NYPNOIDES 8.8 8.718889 S
DIOPATRA SPLENDIDISSIMA 9.9 1.173338 7
SALANUS SPP.
9.8 f.588089
)
EAOLUTUS ACTIUS 18.8 1.013833 S
PTEBOCLADIA # GELIDIUM 18.8 S 598899 4
CYSTOSEIRA / NALIDRYS 11.8 f.978SSS 6
NILDENBRANDIA PROTOTYPUS 11,8 S.458088 6
PYURA NA7STOS 12.8 0.92fteS S
ASTdANGIA SPP.
12.9 S.4S55f8 3
PAGUR1DS.UNIDENT.
13.9 8.Stasef 7
EUNERDMANI A CLATIFORMIS '
13.8 8.4480sf S
CNUPMID.UNIDENT.
14.9 S.S7dsef 7
LEUCILLA NUTTING!
14.8 S 428988 2
PRRAGMATCPOMA CALIFORNICA 16.9 8.S48980 6
COLONIAL ASCIDIAN,UNIDENT.
15.8 f.413888 9
PAGURISTES SPP.
16.8 3.S33338 7
PORIPERANS.UNIDENT.
14.8 8.398885 S'
PISTA SFP.
17.8 3.39tsas 3
FRIONITIS SPP.
17.8 S.370sef 9
MU a IC EA PRUTICOSA 18.8 S.374sse S
SHODOPNYTES.VNIDENT.
19.8 S.3880e8 3
STRONGYIACENTROTVS PSANCISCANUS 19.8 8.29d384 2
SALMACINA TRISRANCNIATA 19.8 S.278888 8
EELLETIA RELLETII 29.5 S,2$3488 3
TRIDIDLMNUM / DIDEMNUM 28.S 8.268888 2
SABELLASIA CEMENTABIU38 28.S S.258888 1
COELLSEIRA / CNAMPIA 21.8 9.2Seses 1
LAMIsu)1D.UNIDENT.
22.8 3.243333 4
SESPULIDS.UNIDENT.
22.8 S.188888 3
OWENIA COLLA RIS 23.8 S.22SS2s 1
ACROSC21UM UNCINATUM 23.5 S.198988 1
PATERIA MIW1ATA 24.8 S.21sted ASCIDIAN P 23.9 S.1Seces 4
CREPIDELA SPP.
4 3.'
29.9 S.16d839 SOSSIELLA SPP.
29.8 0.1489ff 1
NOLOTEUROID.UNIDENT.
26.5 f.15e#38 1
MAcaOCYSTIS SPP.tNOLDFASTD 24.8 f.13tSe8 4
COseS CALIFORmICUS 27.5 S 138sse 2
CODYNACTIE CALIFORNICA 27.9 e.120#e8 4
ANTMOPLAURA ARTEat1814 27.S f.1388tf 2
".75 CORALLINE CNUST 28.5 s.118ees 3
MUSICEAIMORIBUND NOLDFASTD 2 a.S '
S.11 sees 1
LAMINARIA SPP.
38.9 9.13#988.
3 ASCIDIAN G 38.S S.89fefe 4
PID'8 LINA NUNTSMANI 32.9 8.89t#88 2
BCTRYOCLAd!A PSEUDODICNOTOMA 1 35.S 8.99efes 3
LYTECNINUS SPP.
32.8 S.898895 3
DICTYOTA # PACNYDICTYON 32.9 S.835998 2
STACNGYLOCENTROTUS PURPDAATUS 32.8 S.atsedi 3
CEYPTONEMIA # MALYMENIA / SCIIIY1 TENIA SI.S S.868888 3
FISASTER GIGANTEUS 34.8 S.89sess 4
SarOPSIS COaTICULANS 34.8 S. Stress 3
SOLITapY ASCIDIAN.UNIDENT.
35.8 S.888889 2
LEUCANDRA MLATN1 31.8 0.048498 1
PTERYGOPMORA CALIPORNICA 37.5 S. Stress 1
APLIDIUM SPP.
36.5 S.838858 3
FLASELLINOPS19 ICD 15EA 37.5 S.97s?#3 3
CALLOPNYLLIS SPP.
30.9 f.838000 3
POLYCERA TRICOIAR 37.5 8.87sesS 2
PTCROCLAYELLA STANLEYI IG.S 8.538e#8 1
MASSABIUS stENDICUS 37.S 8.873836 1
PLOCAst!Uut SPP.
? 9. S '
O.93ssee 1
NIPPOLYTID.UNIDENT.
48.5 S.Sesses I
LEUCOSOLERIA SPP.
41.5 S.928885 2
TEGULA ADEIOTINCTA 41.#
S.828888 I
SPIBOBBIDS.UNIDENT.
41.S S.828988 2
LAILA COCKERELLI 42.5 S.528s08 1
BCTOCABPUS SPP.
41.5 S.828tes 2
ANTMOPLEURA EANTNOGRAJMSICA 42.5 S.82fsPW 1
MACTOCTSTYS(MDRIBUND NOLDFAST) 41.5 S.828889 2
CSASSISP!aA SEMIINFLATA 46.8 s.819ssS 1
ANISOCLADELLA PACIFICA 47.S -
8.f28e#8 1
POLYCRAETSA.UNIDENT.
46.8 S.81ssfa 1
EELLETIA EGGS 47.S 8.820ste l'
PTEacreePURA FEST174 88.8 S.810539 JANIA SPP.
47.S 9.e28888 1
putxNELLIA SEpNta 46 #
S.8182fs 1
NYMENAMFWIASTRA CYANOCRYPTA 47.5 8.8288ef 1
MAXNELLIA SANTAROSANA 48.8 f.818628 1
PMAROPMYTE.UNIDENT.
47.5 S.82 fees 1
, REastISSENDA CRASSICORNIS -
St.ES9829 la TOTAL AND max!nuM ypwJUENCY 47.5 S.82te##
1 PNYLLOCHAETOPTERUS PROL171CA er.S 8.820ess 1
CACTOSOMA AREN&aIAP 47.5 S.428888 1
TITNYA ADEANTIA 59.5 -
S.SIOSFS 1
LOMORMYNCNUS SPP.
$9.8 S.818888 1
POLYCERA ATRA
$9.8 S.818885 1
ASTRAEA UNDOSA 59.9 8.818888 1
CORYPMELLA SPP.
S?.S 9.8180ss PARACYATEUS SPP.
59.8 8.s18985 1
FISASTER SPP.lJUT.3 59.8 S.813338 1
CYPRAEA SPADICEA S9.8 S.818888 1
TR1YIA SPP.
89.8 S.318888 1
PARASTICNOPUS PARTINENSIS 59.8 8.818888 '
1 PISA 4Tre asETISpINUS
$9.8 e.918888 1 ~
CILJWIA SPP.
POLYPLACCPRORAN.VNIDENT.
59.8
- a. 918Ef8 '
1 59.9 S.8148J8
.l
OPNII?SOIDS.UNIDENf.
59.8 f.S!SfSS 1
SERPULORBIS SQUAMIGEBOS
$8.8 f.818088 1
DDR10,UNIDENT.
S2.419945 1S TOTAL AND MAXIMUM FREQUENCY -
2 Table 4A-5.
Rank, mean atn. dance (percent or number /m ), and frequency of occur-tence of benthic organisms sampled at all CMP benthic Stations during the April 1980 survey period.
PERCENT COVER DATA ENUMERATION DATA RANE ASUNDANCE FREQUENCY NAMS RANE ABWNDANCE F3YOUENCT NAMS 1.f 11.153988 2
BNODYMENIA SPp.
1.8 159.#$t88#
2 CNELYOSOMA PRODUCTUM 2.3 9.949997 3
C AUSTOSE CORALLINES.UNIDENT.
2,3 g,gggggs 2
reYe.
METEREYENSIS
),e 7.7ssess 2
PASVOSILVOSA 3,3 T,533333 2
Pg-t-FNORA CALIFORNICA 4.s
$.2S8888 2
PTEsoCLADIA / GELIDIUM 3.8 3.658888 2
DIO L ORNATA S.s 3.658800 2
ECTOPROCTS.UNIDENT.EENCRUSTINGl 3.3 2.233p33 1
. MIT*
. CARINATA o$ C 6.8 3.$58886 2
NVDMOIDS.UNIDENT. -
4.5 1.4fffJS 2
..'A NELLETII 1.3 3.2 par $1 2
ECTCPROCTS.UNIDENT.t &BBCT I
?.S 1.25#088 2
ANE JF 3.UNIDENT.
4.0 2.355808 2
CORALLINA # MALIPTYLOW 3.8 1.188848 2
ONU M4D.UNIDENT.
S.8 1.6$8001 1
ROSSIELLA SPP.
9.8 1.888888 2
SPI EMAETOPTERCS COSTARUB1 15.3 1.488888 2
ASTRANGIA SPP.
g,,?
a,85833#
2 PVURA NAUSTOR 11.s 1.1gesse 2
NFLDERERANDIk PROTOTYPUS 13.3 3,g59d89 2
PATIBIA MINIATA 12.0 S.758085 2
LEUCILLA NUTTINGI 12.8 S.6S8854 2
ST RONG V LOC EN1 ROTUS F RANC I SCANUS 13.8 8.798988 2
POSIrERANS.ONIDENT.
13.5 e.488088 1
STYERA S PP.12UU. 8.
16.s 3.688880 2
COLONIAL ASCIDIAN.UNIDENT.
11 5 8.688888 1
PAGUBIDS.UNIDENT.
15.0 9.558088 2
DNODOPWYTES.UNIDENT.
45.8 8.558088 2
ANTROPLEURA RANTMOGRAsutICA 16,5 3.53338s 2
EUNERDMANIA CLAVIFORMIS 16.5 8.459888 2
CYSTOSEIRA / NALIDR"3 16.5 S.598888 2
BALANUS SPP.
le.S 8.658088 2
NURICEA CALIFORMICA 18.4 5.359889 2
PYCN0CLAVELLA STANLETI 10.#
8.488006 2
COMUS CALIFOSNICUS 19.5 8.380sas 1
CALLOPNYLLIS SPP.
19.3 p.3380se 2
POLYCNAETES.UNIDENT.
19.5 8.3888a8 1
CRYPTONEMIA # MALYMENIA # SCRISYNSNIA 25.8 S.258888 1
CYPRAEA SPADICEA 21.0 S.284###
1 PRIONIT18 SPP.
22.S 3.333308 2
M&TRA 1DAE 22.3 f.1S884J 2
ASCIDIAN G 22.5 8.158888 1
PAGURISTES SPP.
23.3 S lse#SW WHITE CORALLInt CRUST 22,5 0.153033 ANTuoPLEvan ApTENISTA 21.5 S.380089 1
LEUCDS3LERIA SPP.
22.S 9.158888 3
STRONGYLOCENTROTUS PURPURATUS 26.$
5.05#588 1
NIENSUDGIk ANDERSONIANA 20.5 S.858888 1
MURICIA FEUTICOSA 26.5 8.85s80s 1
ConvMACTIS CALIFORNICA 23.5 g,338883,
1 PNOLAD.ONIDENT.
26.5 f.858889 1
ANISOCLADELLA PACIFICA 28.5 8.s58388 1-
. LANInns1A SPP.
29.5 0.858888 i
SERPULIDS,UNIDENT.
20.S 9.858888 1
OLIVELLE BIPLICATA 55.488958 2
TOTAL AND MAXIMUM ratoVENCY 28.S
'9,958088 1
PISTA SPP.
29.9 5,955888 1
NASSARIUS MENDICUS 28.5 f.898888 1
ROPERIA POULSONI 28.$
0.938889 1
MAJID, UNIDENT.
193.288188 2
TOTAL AND MAEINUM FREQUENCY Sm
'Em eW-
l l
- =
e e=* -
o 2
Table 4A.6.
Rank, mean abundance (number of contacts /6.0 or 0.125 m ), and fre.
quency of occurrence of benthic organisms Sampled at all FMP benthic stations during the January 1980 survey period.
2 6.0 m DATA 0.125 m2 DATA R&WE A8UND&BCE FREQUENCY NAME g&BE
&SUNDANCE FREQUEECT R&stt 1.0 Ss.esess8 2
NYDROIDS.UNIDENT*
1.9 79.588800 2
ECTOPROCTS.CalDENT.(ERECTI-2.5 17.358088 2
ECTO 990 CTS.UNIDENT.tERECT) 2.8 57.888885 2
PARVOSILTOSA 2.5 77 Sesses 2
NURICE& CALIFOSNICA S.8 4 2.88e888 '
2 ECTOPaOCTS,UNIDENT.4 ENCRUSTING) 4.0 43.Sesses 2
BCTOPROCTS.FNIDENT.tINCAUSTING) 4.8 49.888888 2
CRUSTOSE CORALLINES,Uu! DENT.
S.S 42.S999e8 2
RNODYMENIA SPP.
S.8 16.888888 2
NURICIA CALIFORMICA -
6.9 26.888888 2
CRUSTOSE CORALLINES.UNIDENT.
6.8 31.898885 2
SMODYMENIA SPP.
G.5 26,888988 2
DR1FT ALGAE 7.8 38.988805 2
NYDROIDS.UNIDENT.
8.8 12.888888 2
PRIONITIS SPP.
8.9 9.898888 2
DRFFT &LGAE 9.8 S.888880 2
ASTRANGIA SPP.
9.8 7.588888 1
PRIONITIS SPF, 10.5 S.808088 2
PARVOSILTOSA 16.8 6.588888 2
&STR&WGIA BPP.
19.5 S.88880s 2
PORIFERAN6.UNIDENT.
11.8 3.888885 2
PORIFER&MS.UNIDENT.
12.0 3.888888 2
WILDENBRANDIA PROTOTYPUS 12.8 2.580908 1
wNITE CORALLINE CRUST 14.8 2.588058 1
NURICIA FRUTICOSA
&l.S 2.888888 1
COR&I.I.INA # RAIIPTYLON 14.8 2,580000 1
COPYM&CTIS CALIFORNICA 13.5 2.88#889 1
FISASTER GIC&NTEUS 14.8 2.588888 1
SALMACInh TSISRANCEl&TA 19.5 1.S88895 2
ANISOCL&DELLA PACIFICA 16.9 2.888888 2
TRIDIDENNUM d D I D EBENNE 15.5 1.SSSSSS 1
'PISTA SPP.
IS.S 2.888880 2
EURERDN&sI& CLATIFOINSIS 19.S 3.888889 1
EUEERDN&NIA CLATIPOW*IS 19.8 1.580089 2
CORALLINA / NALIPTYLON 19.9 1.888888 1
BILDENSRA&DIA PRO % TYPUS 28.8 1.888008 2
RNC DOPHYTES. UNI DENT.
19.S 1.888888 1
ANEMONS.UNIDBhN.
28.8 1.5808s8 1
STaouGYLOCENTROTUS FRANCISCANUS.
39.5 1.888888 2
CLADOPEDRA SPP.
29.9 1.*98888 1
FATIRIA MINIATA 19.9 1.888888 1
COLONIAL ASCIDIAN.UNIDENT.
24.8 f.SS880s 1
ANISOCL&DELLA PACIFICA gg,g g,gggggg g-TRIDIDEMNUM # DIDEMMUIE 24.8 S.S88603 1
SERFULIDS.WNIDENT.
29.8 f.988885 NURICEA FRUTICOSA 26.8 S.Ss8ses 1
TETEVA AURANT!h 25.5 S.588888 1
TETNY& AURANTIA 24.#
9.588888 1
PISTA SPP.
21.8 S.S88888 1
P&GUR33fES SPP.
26.8 8.589888 1
PARASTICNOPUS PARTINENSIS IS.8 S.S88888 1
CBELYOSOsth PRODUCTVII-25.8 S.588888 1
PETCODEYS SPP.
29.8 f.988888 1
ASTRANGIA (SIORIBUNDD i
- ^#"l',"lTilliNSIS
'" aaa 2+
= &=0 = r
a===
Ct m tim 4.UNTS.E.hWI
- 2. 8 S.58...S 1
443.589005 2i TOTAL AND se&XINUM FREQUENCY
. t A total of two PW stations were survepd due to adverse weather conditfons which precluded sangpling the reNetning PW sta' ions.
.. ~
- _~ -. -.
~
2 Table 4 A.7.
Rank, mean abundance Inumber of contacts /6.0 or 0.125 m ), and fre-quency of occurrence of benthic organisms Sampled at all PMP benthic l
Stations during the April 1980 Survey period.
6M m2 DATA O.125 m2 DATA mAWe ASUNDANCE FREoDEA NAME RAN AsuMDANC:
retoVENCv NAME 1.8
$4.840089 19 PARWOS!LVOSA 1.8 18.##80##
9 CRUSTOSE CORALLINES UNIDSNT.
2.8 13.?fe098 9
CSUSTOSI CORALLINSS.I'N! DENT.
2.8 si.3teffe 9
PARVOSILTCSA 3.8 49.888018 4
- TERY @ PMORA CAL 3FCRMICA 3.9 12.395959 9
ECTCPROCTS.UNIDSNT l ENCRUSTIIIG) 4.0 29.789898 la n'.*0 IDS.UNIDENT.
4.8 13,1sfels 3
PTERsGOPMO.A CALIF 0NNICA S.8
' 34.888888 16 ECa. /ROCTS.UNIDENT.t ENCRUSTING)
S.8 14.34####
8 RNc*sVMSNIA SPP.
6.8
- 23. Steres 8
MURIC;A CALIPCRNICA 4.8 16.1#8948
?
Er TCPROCTS.UNIDENT.t E9ECTI T.S 22.899998 9
RNODYMENIA SPP.
T.f 14.tP4ffS S
' 31RICEA CALIFORNICA 0.0 18.Sessee O
ECTCFROCTS,UNIDENT.4 ERECTl
. 8. 8 If.498988 4
E IFT ALGAE 9.8 S.999988 4
CNELTOSGMA PRODUCTUM 9.9 9.2#####
8
.81Tt PORALLINE CRUST i
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i 4B. BENTHIC INFAUNAL STUDY The benthic infaunal investigation was conducted in compliance with the California Regional Water Quality Control Board - San Diego Region (CRWQCB-SDR)
Monitoring and Reporting Program No. 71-6 for construction of the San Onofre Nuclear Generating Station Units 2 and 3, including Technical Change Orders 1, 2, and 3. The purpose of the investigation was to investigate effects of drede induced sedimentation on the infaunal invertebrate community adjacent to Jan Onofre. In 1980 the program was conducted in March only (Table 1-1) as construc-tion activities terminated 6 February 1980. Biological collections were made along six permanent transects used since December 1976 (MBC 1978). Bidogical collections were made at stations located on the 6, 9, and 15 m isobaths of six offshore transects. Two of the six transects were established as reference areas, one upcoast and one downcoast of the constuction area. The rematning four treat-ment transects flank the axis along which dredging and conduit emplacement proceeded (Fig. 4B-1).
SAMPLING METHODS Biological Sampling At each station, biological samples were collected for che identification and enumeration of taxa present. At stations located along tne 6 m isobath (A1, B1, C1, D1, El, and F1) five one liter (10 cm x 10 cm x 10 cm) replicate box core semp?es were collected by divers. Collections frn the 9 and 15 m isobath stat.'ons i 2, B2, C2, D2, E2, F2, A3, B3, C3, D3, 3, and F3) consisted of 12 A
replicate one liter samples. Each sample was screened through a 0.5 nun screen in the field, and the retained fraction preserved in 10% Fomalin-seawater.
Physical Measurement and Sediment Characteristic Determination At each station, sediment stake heights (vertical distance from substrate to top of a pemanent monunent), which are used a detect changes in bottom height between surveys, were determined with a tape nasure. Sediment deposition rates were calculated from sediment trap collections. At each station, sediment traps were positioned on top of the pemanent monuments. The traps were replaced monthly. The contents ware returned to the laboratory, oven dried at 100*C for 24 hrs, and their dry weight recorded.
Sediment samples for total organic carbon determinations and grain size analysis were collected at each station adjacent to the biological samples. At stations located along the 6 m isobath, tnree core samples each were collected for both sediment size and organic carbon analyses. At stations located along the 9 and 15 m isobaths, four core samples were collected for sediment size analysis and eight samples collected for organic ct rbon analyses. Total organic carbon content was determined for each sample using a LEC0 gasometric carbon analyzer.
Grain size was determined by automatic settling tube analyses of sand sized fractions (combined with sieving for gravel when necessary). Silt-clay fractions were analyzed using standard hydrometric techniques. Calculations for mean phi, skewness, kurtosis, and other sediment c'escriptive characteristics followed the formula of Inman (1952).
.4B-2
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I 48-3 Bottom water and Secchi disc readings (measuring water clarity) were col-lected at all stations during the survey.
RESULTS Dates of subtidal infaunal field surveys and sediment trap retrieval are indicated in Table 1-1. Tables 4B-1, 4B-2, and 48-3 present a summary of the pertinent data collected during the March survey of 1980.' For a complete presen-tation of the biological and physical data collected (SCE 1981a). Analysis of these data will be presented in the Volume III, Annual Operating Report (SCE 1981b).
Literature Cited I n.'a n, D. L. 1952. Measures for describing the size distribution of sediments.
J. Sed. Pet. 22.125-145.
Marine Biological Consul tants, Inc. 1978. Construction monitoring program for San Onofre Nuclear Generating Station, Units 2 and 3, December 1976-December 1977. Prepared for Southern California Edison Company. [78-RD-21] April 1978. 150 pp.
Southern California Edison Company.1981a. Oceanographic and biological compre-j hensive data supplemente San Onofre Nuclear Generating Station. Volume II: Envi ronmental technical specifications Unit 1; national pollutant discharge elimination system. Units 1, 2, and 3; construction monitoring program Units 2 and 3: preoperational monitoring program Units 2 and 3; interim studies and accessory data. Prepared by Brown and Caldwell, Lockheed Envi ronmental Sciances, and Marine Biological Consultants Inc.
Southern California Edison Company. 1981b. Annual operating report, San Onofre Nuclear Generating Station. Volume III: Environmental technical specifica-tions Unit 1; national pollutant discharge elimination system, Uniti 1, 2, and 3; construction monitoring program Units 2 and 3; preoperational monitoring program. Prepared by Brown and Caldwell, Lockhead Environmental 4
Sciences, and Marine Biological Consultants, Inc. (in oreparation).
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s 48-4 Table 48-1. San Onofre infaunal survey mean' number of individuals / liter, March 1980.
SPECIES MAR SPECIES MAR HYDR 0ZOA, UNID.
0.02 AEDICIRA FACIFICA 0.01 PLATYHELMINTHES, UNID.
0.02 ACESTA CATHERINAE 0.32 NEMERTEA, UNID.'
O.17 ACESTA HORIK0SHII 0.01 CARIN0MA MUTABILIS 0.26 ACESTA SP.
0.01 PARANEMERTES SP. A 0.03 PARA 0NIDAE, GENUS A 0.01 MICRURA ALASKENSIS 0.02 SPIONIDAE, UNID.
0.01 NEMATODA, UNID.
0.04 DISPIO UNCINATA 0.02 STHEN 0LEPIS FIMBRIARUM 0.01 PRION 0SPIO CIRRIFERA 0.05 EUSIGALION SPINOSUM 0.14 PRIONOSPIO MALMGRENI~
0.01 EUPHR0 SINE PAUCIBRANCHIATA 0.01 PARAPRIONOSP10 PINNATA
-0.02 ANA1 TIDES :P, 0.01 APOPRIONOSPIO PYGMAEUS 2.29 ETE0NE DILATAE 0.01 SPIOPHANES B0MBYX 0.09 EULALIA BIL.NEATA 0.01 SPIOPHANES SP.
0.02 EUMIDA BIFOLIATA
-0.01 MAGELONA SACCULATA 0.06 HESIONURA COINEAUI DIFFICILIS 0.07 POECILOCHAETUS JOHNSONI 0.01 ETE0NE LIGHTI 0.01 SPIOCHAETOPTERUS COSTARUM 0.02 HESIONIDAE, UNID.
0.01 CHAET0 ZONE-SET 05A 0.24 GYPTIS BREVIPALPA 0.02 C"AET0 ZONE SP.
0.01 ANCISTROSYLLIS HAMATA 0.01 CIRRIFORMIA SPIRABRANCHIA 0.01 SYLLIDAE, UNID.
0.01 THARYX SP.
0.06 000NTOSYLLIS PHOSPHOREA 0.01 ARMANDIA BIOCULATA 0.01 TYPOSYLLIS ACICULATA 0.07 TRAVISIA GIGAS 0.01 TYPOSYLLIS FASCIATA 0.00 CAPITELLIDAE, UNID.
0.02 NEREIS PROCERA 0.02 MEDIOMASTUS AMBISETA' O.16 NEREIS SP.
0.02 MEDIOMASTUS ACUTlis 0.24 NEPHTYS CAEC01 DES 0.21 MEDIOMASTUS CALIFORNIENSIS 0.24 NEPHTYS CORNUTA FRANCISCANA 0.13 MEDIOMASTUS SP.
0.03 NEPHTYS SP.
0.02 HETEkOMASTUS FILIFORMIS 0.01 SPHAERODOROPSIS SP.
0.01 ANOTOMASTUS GORDIODES 0.04 GLYCERA CONVOLUTA 0.05 AMASTIGOS ACUTUS 1.70 GLYCERA SP.
0.01 ASYCHIS DISPARIDENTATA 0.05 GLYCINDE ARMIGERA 0.01 OWENI A COLLARIS 0.02 GONIADA BRUNNEA 0.02 PECTINARIA CALIFORNIENSIS 0.01 GONIADA LITT0REA 0.70 AMAEANA OCCIDENTALIS 0.02 GONIADA SP.
0.02 PISTA FASCIATA 0.01 ONUPHIS EREMITA 0.01 SABELLINAE, UNID.
0.01 NOTHRIA IRIDESCENS 0.05 TUBIFICIDAE, UNID.
0.01 LUMBRINERIS LATREILLI 0.03 ENCHYTRAIDAE, UNID.
0.01 LUMBRINERIS TETRAURA 0.43 GOLFINGIA MISAKIANA
-0.21 i
LUMBRINERIS ZONATA 0.03 PYCN0GONIDA, UNID.
0.01 LUMBRINERIS SP.
0.20- CALLIPALLENE PALPIDA 0.02 LUMBRINERIS PALL 1DA 0.01 CYLINDROLEBERIDIDAE, UNID.
0.04 LUMBRINERIS PLATYPYGOS 0.01 EUPHILOMEDES LONGISETA 0.18 ARABELLA IRICOLOR 0.02 EUPHILOMEDES CARCHARODONTA 0.04 NOT0 CIRRUS CALIFORNIENSIS 0.01 RUTIDERMA ROSTRATA 0.02 DRILONEREIS SP.
0.01 CYCLOLEBERIS AMERICANA 0.01 PROTODORVILLEA GRACILIS 0.03 CYCLOPOIDA, UNID.
0.01 SCALEWORM, UNID.
0.01 HARPACTICOIDA, UNID.
0.01 HAPLOSCOLOPLOS ELONGATUS 0.17 CALAN 010A, UNID.
0.25 SCOLOPLOS ARMIGER 0.43 NEBALIA SP.
0.01 PARA 0NELLA PLATYBRANCHIA 0.01 ACANTHOMYSIS DAVISI 0.03 TAUBERI A OCULATA 0.01 ACANTHOMYSIS SCULPTA 0.01 PARA 0NIDAE, UNID.
0.01 MYSIDOPSIS CALIFORNICA 0.01 ARICIDEA WASSI 0.01 MYSIDACEA, UNID.
0.01 I
4B-5 Table 4B-1. San Onofre infaunal survey mean numbar of individuals / liter, March 19t0 (Cont).
SPECIES MAR SPECIES MAR-ANCHICOLURUS OCCIDENTALIS 0.01 KURTZIELLA PLUMBEA 0.01 DIASTYLOPSIS TENUIS 0.17 OPHIODERMELLA CANCELLATA 0.01 CAN YLASPIS SP. C 0.02 ACTE 0CINA CULCITELLA 0.01 LEPTOCHELIA DUBIA 0.01 ACTE 0CINA HARPA 0.01 BATHYCOPEA GRANULATUS 0.03 CYLICHNA DIEGENSIS 0.01 ED0 TEA SUBLITTORALIS 0.02 VOLVULELLA CYLINDRICA 0.01 JAEROPSIS.DUBIA 0.01 AGLAJA DIOMEDEA 0.01 AMPELISCA CRISTATA 0.02 HERK. aiNDA CRASSICORNIS 0.01 AMPELISCA COMPRESSA 0.01 CYCLOSTREMELLA DALLI 0.01 AOR01 DES COLUMBIAE 0.01 YOLDIA SCISSURATA P
l MEGALUROPUS LONGIMERUS 0.01 MYTILUS EDULIS E0HAUSTORIUS WASHINGTONIANUS 0.03 MODIOLUS NEGLECTUS PLATYISCHN0 PUS VISCANA 0.02 MYTILIDAE, UNID.
0.02 PHOTIS MACR 0TICA 0.01 PARVILUCINA TENUISCULPTA 0.01 JASSA FALCATA 0.26 MYSELLA PEDROANA 0.01 MICR0JASSA LITOTES 0.01 MYSELLA GRIPPI 0.02 LEPIDEPECREUM GURJANOVAE 0.01 NEAEROMYA COMPRESSA 0.01 WESTWOODILLA CAECULA 0.01 TELLINA MODESTA 0.18 I
SYNCHELIDIUM SP.
0.06 TELLINA SP.
0.09 PH0X0CEPHALIDAE, UNID.
0.03 MACOMA SP.
0.04 MANDIBULOPH0XUS GILESI 0.01 SOLEN SICARIUS 0.01 PARAPH0XUS SP.
0.01 SOLEN SP.
0.01 RHEP0XYNIUS ABRONIUS 0.10 PERIPLOMA DISCUS 0.09 RHEP0XYNIUS BICUSPIDATUS 0.07 PELECYPODA, UNID.
0.01 RHEP0XYNIUS EPIST0MUS 1.01 PHORONIDA, UNID.
0.03 RHEP0XYNIUS HETER 0CUSPIDATUS 0.01 PHORONIS SP.
0.01 FOXIPHALUS OBTUSIDENS 0.01 OPHIUR0 IDEA, UNID.
0.01 RHEP0XYNIUS STEN 0 DES 0.07 OPHIOPHRAGMUS DIGITATA 0.01 RHEP0XYNIUS VARI ATUS 0.07 DENDRASTER EXCENTRICUS 0.03 METHARPINIA JONESI 0.05 LEPTOSYNAPTA SP.
0.02 PARAPLEUSTES PUGETTENSIS 0.01 HEMICHORDATA, UNID.
0.14 STEN 0TH0E ESTACOLA 0.01 BRANCH 10STOMA CALIFORNIENSE 0.03 STENOTH0E VALIDA 0.01 GA W ARIDEA, UNID.
0.02 CAPRELLIDAE, UNID.
0.04 DEUTELLA CALIFORNICA 0.02 CAPRELLA EQUILIBRA 0.01 OGYRIDES SP.A 0.01 HIPPOLYTIDAE, ZOEA, UNID.
0.01 CALLIANASSA SP.
0.03 CALLIANASSA, 20EA, UNID.
0.01 PUGETTIA DALLI 0.01 PINNIXA SP.
0.02 PINNIXA, Z0EA, U i!D.
0.10 LEPID 0PA CALIFORAICA 0.01 TRICOLIA SUBSTRIATA 0.01 CAECUM CREBRICINCTUM 0.03 CREPIDULA SP.
0.01 NEVERITA RECLUZIANA 0.01 4
ALIA CARINATA 0.01 NASSARIUS PERPINGUIS 0.01 OLIVELLA BAETICA 0.14 OLIVELLA BIPLICATA 0.02 OLIVELLA SP.
0.01 i
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4B-6 Table 48-2. Mean infaunal grain size analysis, organic carbon content, and Secchi disc by station, March 1980.
STATION PARAMETER Al A2 A3 B1 B2 B3 C1 C2 C3 MARCH 1980
% GRAVEL 0.00 0.00 0.00 0.00 0.00
-0.00 0.00 0.00 -0.00
% SAND 42.43 41.67 52.30 92.07 44.90 36.10 92.17 100.00 51.60
% SILT 52.57 51.20 46.42 7.30 48.22 57.87 7.57 0.00 47.72
% CLAY 4.93 6.90 1.08 0.37 6.50 5.90 0.00 'O.00 0.00 MEAN PHI 4.40 4.73 4.12 3.18 4.76 4.81 3.24 1.37 3.88 SKEWNESS 1.50 1.29 1.12 1.35 1.25 1.26 0.41 0.44 0.19 KURTOSIS 11.09 7.58 7.80 12.07 7.36 7.88 4.67 2.32 1.03 SORTING 57.61 51.45 65.54 69.50 49.06 51.33 72.58 70.94 57.23
% CARBONATE CARBON 0.08 0.08 0.05 0.10 0.19 0.08 0.02 0.18 -1.03
% ORGANIC CARBON 0.23 0.38- 0.23-1.09 1.12 0.28 0.13 0.16 -1.08 SECCHI DISC (M) 0.80 0.80 0.80 0.50 0.50 1.00 0.50 0.50 0.80 D1 D2 D3 El E2 E3 F1 F2 F3
%' GRAVEL 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
% SAND 96.50 86,15 66.15 87.67 78.50 95.27 92.07 73.07 53.30
% SILT 3.23 13.20 29.30 11.50 21.32 4.22 7.40 26.40 45.87
% CLAY 0.23 0.45 4.60 0.77 0.13 0.00 0.00 0.47 0.80 MEAN PHI 2.93 3.09 3.51 3.48 3.61
.1.82 3.26 3.76 4.07 SKEWNESS 0.10 0.47 0.84 1.75 0.60 0.86 1.10 0.95 0.86 KURTOSIS 8.23 3.10 4.13 16.20 5.11 4.51 6.69 8.78 5.77 SORTING 65.31 58.88 45.31 75.47 71.94 64.49 73.2 71.87 66.23
% CARBONATE CARBON 0.00 0.08 2.04 0.00 0.07 0.73' O.05 0.06 0.05
% ORGANIC CARBON 0.11 0.11 0.13 0.12 0.14 0.14 0.28 0.70 0.61 SECCHI DISC (M) 0.80 1.30 2.30 1.30 1.00 2.00 2.50 2.30 2.00 I
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Table 48-3.~ San Onofre monthly. sediment heights,_.1980.
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' MONTHS STATION
~JAN LFEB MAR l
Al 122.0 95.0 98.0 A2 97.0-95.0 95.0 A3
-90.0 69.0 60.0 B1 97.0 70.0 102.0 B2 79.0'
-73.0 80.0
-B3
-90.0 61.0 69.0
. C1 100.0 80.0
-59.0 C2
-108.0
. 62.0 72.0 C3 -
117.0
- 109.0 109.0 D1'~
80.0 52.0:
55.0 D2 86.0 107.0-95.0.
' D3 '
105.0 96.0 E1
-97.0 140.0 44.0 E2 105.0-95~0 98.0 j
F1~
110.0 105.0 120.0..
E3 102.0-50.0 32.0
.F2 38.0 100.0 -
89.0-F3 90.0
-92.5 90.0~
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CHAPTER-5 PLANKTON - RECEIVING WATERS This single program meets the requirements of the Environmental Technical Specifications 1(ETS), the Preoperational Monitoring-Program (PMP), and the National Pollutant Discharge Elimination System (NPDES). This program was designed to determine the nature, extent, and significance of the effects of San Onofre Units I, 2, and 3 operations on the species composition, distribution, and abundance of plankton offshore San Onofre.
METHODS t
A detailed description of station locations and' field and laboratory methodo-logy is given in combined ETS and PMP procedures (LES Procedures P-0-8/78). A general review is presented below.
Field Eleven stations comprise the required plankton sampling station array for the combined Unit 1 ETS and Units 2 and 3 PMP prograns (Figure 5-1). The ETS stations (Stations 1-7) are located upcoast, downcoast, and directly offshore of SONGS along the 10-m isobath. The required PMP stations (Stations 10-13) are similarly -
located on the 15-m isobath (Figure 5-1).
Biological sampling included collection of zooplankton samples and whole-water samples for analysis of chlorophyll a and phaeopigment concentration. These samples were collected concurrently from two strata within the water column at each station by use of a plankton punp system.-The upper stratum extends from f.he surface to 5-n depth at the ETS stations and from the surface to 8-m depth at the PMP stations. The lower stratum encompasses the depth interval from 5 to 10 n at the ETS stations and from 8 m to the bottom for the PMP stations. Within earn of these strata, samples were integrated by obtaining 0.33 m3 of water at earn 1-m depth interval within a stratum. Zooplankton were obtained by. filterir9 water through a 202-un mesh plankton net. A 450-m1 whole-water sample was obtained for chlorophyll a, and phaeopigment concentration analysis by collecting a small frac-1 tion of the water pumped through the plankton net. Two replicate water samples.
and two replicate zooplankton samples were collected 'from each stratum at each
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station. The first replicate was taken as the cump intake was lowered and the second as it was raised. This procedure was repeated on three days within a seven-day period for each survey during January, March, and May except that inshore Stations 2, 3, and 5 were not sampled on the second and third adys. All sanples were collected during daylight hours.
Physical data were collected concurrently with biological sampling. Tempera-t ture and transimissivity measurements were taken at 1-m intervals using a Martek XMS temperature-transmissivity unit. During 1980, transmissivity-depth profiles were obtained at selected stations during the January, March, and May surveys only. Temperature-depth pr0 files were obtained each time a station was sampled.
Gross current speed and direction of flow was estimated by deployment of a sub-surface drogue for a measured length of time (15 min to I h) while each statio.
was occupied. Meteorological information, including cloud cover, wind, and sea conditions were obtained each time a station was occupied. These data -are pre-sented in Volume II: Comprehensive Annual Data Report (SCE 1981a) and will, where
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r---
5-3 appropriate, be analyzed with' the biological data in. Volume Ill: Data Analysis for the 1980 Annual Operating Report (SCE 1981b).
i Plankton surveys were conducted on 8,10, and 13 January; 10-12 March; 15, 17 - and 18 May; 19 July; 16 September;- and 5 November 1980. During the January, March, and May surveys all 11 required stations were sampled in accordance with combined ETS, NPDES, and PMP requirements. The two-year PMP was completed in May -
1980, therefore, surveys during July, Septamber, and November were conducted only at Stations 1-7 in accordance with the ET5.
I Laboratory Phytoplankton populations were assessed by determining phytopigment concen-trations from whole-water samoles. These samples were glass-fiber filtered, ground in acetone, and exanined with a Turner fluorometer for the determination of chlorophyll a_ and phaeopignent concentrations.
Assessment of zooplankton populations was conducted on the basis of iden-tification and enumeration of select zooplankton taxa and determination of total dry weight biomass. Using properly selected ' zooplankton species, the time and expense of sample processing can be reduced without an accompanying loss of infornation. Each of the select taxa examined was numerically abundant based on three years of ETS data and is considered a major cocoonent of the taxonomic and trophic structure of the zooplankton community offshore of San Onofre. These select taxa consist of Penilia avirostris, Acartia tonsa, Acartia spp. copepo-dites, Corycaeus anglicus, Euterpina acutifrons, Labidocera trispinosa copepo-dites. Oithona oculata, Paracalanus parvus, Paracalar. - n=rvus copepodites, Clausocalanus spp., all other copepods as an aqqregate, cyiris larvae, cypho-nautes larvae, Sagitta spp., and all other plankton taxa as an aggregate. If an additional taxon was found to conprise more than 30*. of the samples during a sarvey, it was also enumerated. Generally, zooplankton samples were sufficiently dense that sanple abundances were estimated from subsamples. Stempel pipettes were used to obtain measured subsamples, or, if abundances were very low, a Folson plankton splitter was used, or an entire sanple was enumerated.
Zooplankton bionass was reasured for each zooplankton sample collected during
]
the January, March, and May surveys. Biomass samples were filtered and dried at j
60*C for 24 h prior to waighing.
RESULTS Data collected during the 1980 plankton surveys are presented in the following data tables. Mean zooplankton abundance data sampled at the ETS and PMP stations are presented for each survey. Ancillary data collected but not required are presented in Volume II: Comprehensive Annual Data Report (SCE 1991a). These data, where appropriate, will be analyzed in detail in Volume III: Data Analysis for the 1980 Annual Operating Report (SCE' 1981b). Mean chlorophyll a, phaeo-pigment data, and zooplankton biomass are presented by survey, station, and strata.
]
LITERATURE CITED Southern California Edison Company (SCE), 1981a. Oceanographic and Biological Comprehensive Data Supplement, San Onofre Nuclear Generating Station. Volume II: Environmental Technical Specifications Unit 1,
National Pollutant Discharge Elimination Systen Units 1,
2, and 3,
Construction Monitoring j
Progran Units 2 and 3,
Precperational Monitoring Progran Units 2 and 3, f
i
~
5-4 Interin Studies, and Ancilla.'y L'ata. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marire Biological Consultants, Inc.
Southern California Edison Company (SCE). 1981b. Oceanographic and Biological Annual Operating Report, San Onofre Nuclear Generating Station. Volume Ill:
Environmental Technical Specifications Unit 1, National Pollutant Discharge El'nication System Units 1, 2, and., Construction Monitoring Progran Units 2 ar d 3, and Preoperational Monitoring Program Units 2 and 3. Prepared by Brown and Caldwell, Lockheed Environmeital Sciences, and Marine Biological Consultants, Inc., (in press).
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5-6 Table 5 2. Rank. mean abundance, and frequency of occurr'ence of select zooplankton
. sampled at all PMP plankton stations during the 1980 sampling period.
JANUARY RANK ABUNDANCE FREQUENCY N.ME-1.8 1882.988888 4
CLAUSOCALANUS SPP.
2.8 748.147788
-4 OTHER PLANKTON TAXA COMBINED 3.8 536.426888 4
PARACALANUS PARVUS ( COPOPODITES )
4.8 355.712988 4
ACARTIA SPP.( COPEPODITES) 5.8-221.788688 4
CORYCAEUS ANGLICUS 6.8 221.698288 4
PARACALANUS PARVUS 7.8 286.221288 4
CYPHONAUTES LARVAE 8.8 178.666588 4
OTHER COPEPODS 9.9 165.298688 4
ACARTIA TONSA 18.8 98.542118 4
LABIDOCERA TRISPINOSA(COPEPODITES) 11.8 89.694958 4
SAGITTA SPP.
12.8 55.671958 4
EUTERPINA ACUTIFRONS 13.8 46.318778 4
OITHONA OCULATA 14.8 4.443993 4
PODON POLYPHEMOIDES-15.8 2.439618 4
CYPRIS LARVAE 16.8 8.352898 2
PENILIA AVIROSTRIS 4814.397888 4
TOTAL AND MAXIMUM FREQUENCY MARCH RANK ABUNDANCE FREQUENCY NAME 1.8 1285.919888 4
PARACALANUS PARVUS ( COPEPODITES) 2.8 1261.372888 4
CORYCAEUS ANGLICUS 3.8 1259.872888 4
- OTHER PLANKTON TAXA COMBINED 4.8 672.793788 4
PARACALANUS PARVUS 5.8 633.921688 4
ACARTIA SPP.( COPEPODITES) 6.8 558.876988 4
SAGITTA SPP.
7.8 288.223188 4
ACARTIA TONSA 8.8 265.888288 4
. LABIDOCERA TRISPINOSA( COPEPODITES )
9.8 263.854388 4
CYPHONAUTES LARVAE 18.8 144.183388 4
EUTERPINA ACUTIFRONS 11.8 111.291788 4
OTHER COPEPODS 12.8 187.468788.
4 CYPRIS LARVAE 13.8 27.958378 4
CLAUSOCALANUS SPP.
14.8 8.748981 3
OITHONA OCULATA 6872.684888 4
TOTAL AND MAXIMUM FREQUENCY MAY RANK ABUNDANCE FREQUENCY NAME; los 4547.156888 4
OTHER PLANKTON TAXA COMBINED l
2.8 2635.763888 4
ACARTIA SPP.( COPEPODITES) 3.8 1545.434888 4
PODON POLYPHEMOIDES-t 4.8 1183.789888 4
PARACALANUS PARVUS ( COPEPODITES) 5.8 877.993488 4
SAGITTA SPP.
j 6.8 533.163608 4
CORYCAEUS ANGLICUS 7.8 517.913888 4
ACARTIA TONSA
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PARACALANUS PARVUS 9.8 231.319588 4
LABIDOCERA TRISPINOSA(COPEPODITES) 18.8 148.597388 4
'OTHER COPEPODS 11.8 95.957218 4
EUTERPINA ACUTIFRONS 12.5 27.498178 4
CYPHONAUTES LARVAE 13.8 14.928388 4
CLAUSOCALANUS SPP.
14.8 12.445258 4
CYPRIS LARVAE I
15.8 8.288223 1
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12664.788888 4
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3 Table 5-3. Mean chlorophyll (C) and phaeopigment (P) concentrations (mg/m ) sampled in upper and lower strata during the 1980 study period.
Survey JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER Strata Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower ETS Station 1 C 0.99 0.49 4.38 2.82 4.04 7.14 1.39 2.82 2.60 2.51 0.72 2.18 P
0.12 0.16 0.54 0.62 0.71 1.26 0.50 1.45 1.90 1.28 0.60 0.72 2 C 0.28 0.53 2.89 2.39 1.31 8.09 1.90 5.95 2.46 2.49 2.25 1.98-P 0.36 0.71 0.92 0.64 0.21 0.06 0.51 1.17 1.35 1,68 0.66 0.70 3 C 0.46 0.50 2.76 2.58 0.98 5.38 2.15 4.42 1.98 3.10 1.84 1.96' P
0.62 0.74 0.66 0.71 0.12 1.01 0.53 0.54 1.30 1.46 0.66 0.57 4 C 1.00 0.48 1.56 2.37 3.71 3.76 1.49 3.55 2.16 1.95 1.10 0.85 P
0.37 0.39 0.48 0.67 0.99 1.*41 0.34 0.34 1.43 1.13 0.40 0.26 5 C 0.41 0.46 2.88 3.43 6.29 4.77 1.69 3.55 0.84 0.77 1.05 0.80 P
0.35 0.37 0.47 0.54 1.17 0.96 0.19 0.27 0.54 0.38 0.59 0.27 6 C 1.10 0.57 1.58 2.31 1.14 6.02 1.60 2.21-0.78 0.81 0.67 1.14 P
0.23 0.30 0.35 0.67 0.57 0.98 0.14 0.23 0.44 0.43 0.31 0.78 7 C 0.82 0.67 2.10 1.93 5.71 6.86 4.64 7.25 1.25 2.30 0.48 0.81 P
0.23 0.27 0.51 0.59 0.53 0.73 0.88 1.07 0.68-1.52 0.22' O.39 PMP Station 10 C 0.62 0.37 6.87 2.93 4.80 6.83 t
t t
t t
t F
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t t
t t
t 11 C 0.58 0.57 2.15 2.51 1.49 3.76 t
t t
t t
t P
0.20 0.30 0.63 0.77 0.36 0.74 t
t t
t t-t 12 C 1.25 0.60 3.68 3.59 2.12 4.70 t
t t
-t t
t P
0.19 0.33 0.68 0.97 0.42 0.68 t
t t
t t
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6.44 t
t t
t t
t P
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t t
t t
t t No PMP data required.
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Table 5 4. Meen zoopienkton dry weight inomens (ms/m 3 go 'i,, w gm 3
strate in PMP stations during the 1980 study period.
J Survey January March.
May Strata Upper Lower Upper Lower Upper Lower
_. ~Stations 10 18.1 12.1-24.1-
- 19.8 l 37.5 102.3' 11 34.7 56.0-27.0 41.0 32.3 44.1-12-26.6 20.9 36.5 46.3~
36.8 42.6-11 17.5 13.6 33.0 115.7-25.5 29.2 1
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m CHAPTER 6 FISH A.
tSH IN THE RECEIVING WATERS - GILL NETS This single program meets the requirements of both the Environmental Technical Specifications (ETS) and Preoperational Monitoring Program (PMP). This program was designed to determine the nature, extent, and significance of the
-ef fects of San Onofre Unit 1 operations and to provide baseline information. for San-Onofre Units 2 and 3 on the species composition, distribution, and ~ abundance l
. of adult fish offshore San Onofre in conjunction with an additional program based on samples collected by otter trawl.
METHODS A detailed description of station locations and field, methodology is given in.
ETS Fish Survey Procedures (LES Procedures EMP 25-5-35) and PMP Fish Survey Procedures (LES Procedures N-1-1/79). A general review of these procedures is given below.
in an upcoast (San Mateo Point) reference area; an area directly offshore of San unofre Units 1, 2, and 3; -and a downcoast (Don Light) reference. area (Figure 6A-1). Each gill net station consisted of a pair of identical Marinovich exoeri-nental monofilament gill nets for replicate sampling. Each net measured 45.7 m
. l i
inng, 1.8 m deep, and contained six 7.6-m panels of-bar nesh of the following sizes: 19 mm, 25 nn, 32 nn, 38 m, 44 mm, and 64 mm. All nets were set ever mostly cobble substrata, perpendicular to the shoreline and were retrieved after 1
24 h. This fishing period encompassed both dusk and dawn, the periods of greatest fish activity. Eight of the 14 stations (Stations-1, 2, 3, 6, 7, 8, 11, and 12)-
were located on the 9.1-m (30-ft) isobath. The remaining six stations (Stations 4,
5, 9,
10, 13, and 14) were located on the 13.7-n (45-f t) isobath. (Figure 6A-1). Station 3 was located within 50 m of the San Onofre Unit I discharge.and Station 6 was located approximately 2 km downcoast of Stations 7 and 8. Stations 1 through 6 were ETS stations; the remaining stations were PMP stations.
i Tempera ture-transmi ssivity profile data were collected at each cluster of 9.1-n and 13.7-m gill net stations once daily for the two days of the survey.
Data were taken at 1-m depth intervals from the surface to the bottom and are presented in Volume II: Comprehensive Annual Data Report (SCE.1981a).
Both ETS and PMP gill net samplirq was conducted bimonthly on 26-27 February, 23-24 April, and 25-26 June 1980. In June the two-year PMP ended and the ETS
- 1 continued during the remainder of 1980. The remaining 1980 ETS sampling was ' con-ducted quarterly on 21-22 August and 10-11 December 1980.
Laboratory All fishes collected in gill net samples were -identified,- counted, and 4
visually inspected for anomalies,i diseases, and parasites. A group of select fish 4
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x J t s l. + + 3 Figure 6A-1. ETS and PMP fish receiving water station locations at San Ono?re Nuclear Generating Station. Shaded areas represent the areal extent of the kelp canopies sarnpled in December 1978.
6A-3 species has been studied nore intensively with the onset of the combined program. These following species were selected because of their numerical dominance in San Onofre Unit 1 impingement samples, their abundance offshore, and/or because of their value to local sport and comnercial fisheries. Seriphus politus Queenfish White croaker. Genyonemus lineatus Roncador stearnsii Spotfin croaker Cynoscion nobilis White seabass Walleye surfperch Hyperprosopon argenteum White surfperch Phanerodon furcatus Paralabrax clathratus Kelp bass Paralabrax nebulifer Barred sand bass Paralabrax maculatofasciatus Spotted sand bass Paralichthys californicus California halibut Select species were identified, enumerated, neasured, and sexed. Standard lengths (tip of the snout to the end of the vertebral column) of a maximum of 125 indivi-duals per species from each gill net sample were measured. A subset of no more than 50 individuals per species were sexed (male, female, ind?tarminate) by exa-j mining their gonads or by noting secondary sexual characteristics when evident. Indeterminate fish were sexually imature, recently spawned, or damaged such that sex cannot be determined. General reproductive condition of fish was also noted. A maximum of 10 female Seriphus politus and 10 fe. male Genyonemus lineatus per net were subsampled for gonosomatic index analysis except during the December survey, Gonad and total body wet weights were determined for each subsampled female with gonad weight divided by total body weight to determine the index on a survey, area, and depth basis. In addition to the preceding methods, whf ch were utilized for the combined Units 1, 2, and 3 program, certain additional length and sex data were taken to i maintain compliance with the Unit 1 ETS at some stations. The ETS required,that ) all fish from the six nets near the Unit I discharge (Zone JA) and the six nets i at the downcoast inshore reference area (Zone 6) be measured and that a maximum of 10 individui a of resident species be subsampled for sex composition. RESULTS Summary community composition and total abundance data tables for all species combined and for four select species (Seriphus politus, Genyonemus lineatus, Gyperprosopon argenteum, and Phanerodon furcatus) collected during 1980 are presented. Length-frequency histograms including the ratio of males: females of the two most frequently collected species, S. politus and G_ lineatus, are pre-sented as annsal totals based on area and depth. 1 A presentation of abundance, species composition, sex composition, gonosoma-tic indices (GSI), length-frequency, parasitized and anomalous species, and temperature-transmissivity profile data, and field notes collected for the ETS and PMP are presented in Volume II: Comprehensive Annual Data Report (SCE 1981a). Analysis of this data will be presented in Volume III: Data Analysis for the 1980 Annual Operating Report (SCE 1981b). LITERATURE CITED i Southern California Edison Company (SCE). 1981a. Oceanographic and Biolt gical Comprehensive Data Supplement, San Onofre Nuclear Generating Station. Volume II: Environmental Technical Specifications Unit 1, National Pollutant
6A-4 Discharge Eliminttion System Units 1, 2, and 3, Construction Monitoring Progre.n Units 2 and 3, Preoperational Monitoring Program Units 2 and 3, Interin Studies, and Ancillary Data. Prepared by Brown and Caldwell, Lockheed Environnental Scienccs, and Marine Biological Consultants, Inc. Southern California Edison Company (SCE). 1981b. Oceanographic and Biological Annual Operating Report, San Onofre Nuclear Generating Station. Volume III: Environmental Technical Specifications Unit 1, National Pollutant Discharge Elimination System Units 1, 2, and 3, Construction Monitoring Program Units 2 and 3, and Preoperational Monitoring Program Units 2 and 3. Prepared by Brown and Caldwell, Lockheed Environmental Sciences, and Marine Biological Consultants, Inc., (in ;,ress). i
6A-5 Table 6A 1. Total number of individuals and species captured by gill nets set on the 9.1. and 13.7-m isoboths during the ETS and PMP surveys of 1980. Areas surveyed for both ETS and PMP were Don Light (DL), an area 500 m up-coast of the Unit 1 Discharge (SONGSrU), and an area adjacent to the Unit 1 Discharge ('O-D). San Meteo Point (SMP) was surveyed for the PMP. Total number of individuals (species) Depth 9.1 m 13.7 n $ ration DL $0NGS 50-D SMP TOTAL DL SONGS SMP TOTAL i Ret *.ates 30 20 > 10 12 72 12 12 12 36 _ Feb 141 16) 219(18) 99 14) 186(23) 645 33) 221 (13) 101 (18) 225 [19) 547(25) 70 (11 65 i' 8) 210(19) Apr 98 9) 54 ' 12) 25 1 203 (21) 380 29) 15(15) 97(17)) 75ll18) 295 (29) Jun 372 14) 130 ,18) 54 92(15) 648 28) 123 (17) Aug 436 13)' 367I;21) 145 1 ft 948 29) tt it it Dec 145(18) 163, (,21) 39 (,ll) tt 427(21) tt tt it TOTAL 1,193(28) 933(33) 442 (26) 475(34) 3,043(49) 419(24) 268(23) 365(26) 1.052 (33) Total number of individuals of Seriphus politus, Genyonemus lineetus Hypwprosopon argentrum, and Phanerodon /urcatus collected in gill nets set on the 9.1 and 13.7-m iso-baths during 1980. Depth 9.1 m D,7 n Station DL SONr,5 50-0 SMP TOTAL CL SC%$ SMP TOTAL t 30 20 10 12 72 12 12 12 36 Replicates Scriphus politus Feb 23 7 28 44 102 11 8 16 35 Apr 26 14 5 105 150 31 28 28 87 Jan 177 32 23 23 7%5 24 30 20 74 Aug 210 222 95 ft 527 tt tt it Dec 8 24 17 ft 49 ft it it TOTAL 444 299 168 172 1,083 66 66 64 196 r.enyonemus lineatus Feb 48 25 35 40 148 112 29 101 242 Apr 21 3 5 5 34 19 22 19 60 Jun 89 5 14 0 108 17 4 0 21 Aug 137 51 30 ft 218 ft it it Dec A 2 12 ft 22 tt tt tt TOTAL 303 R6 96 45 530 148 55 120 323 Hyperprosopon argentews Feb 6 6 19 28 59 0 1 1 2 Apr - 0 3 1 9 13 1 5 3 9 Jun 2 7 6 2 17 2 1 5 8 Aug 8 7 0 ft 15 ft it it Dec 1 12 10 ft 23 tt it it TOTAL 17 35 36 39 127 3 1 9 19 Phanerndon furcatus Feb 1 1 0 7 9 4 4 6 14 Apr 3 0 0 7 10 6 2 11 19 Jun 0 3 2 22 27 50 9 14 73 Aug 27 16 0 ft 43 tt it it Dec 19 38 18 tt 75 tt it it TOTAL 50 58 20 36 164 60 15 31 106 t Nunber of replicates per survey: 9.1 n - DL (6), SONGS (4), 50-0 (2), SMP (4); 13.7 n four in each area. it All PMP (9.1.n SMP; 13.7-n DL, SONGS, and SMP) stations were not sampled during the August and Decenber 1980 surveys.
ch
- p -
ew Table 6A-2. The rank order 6f abundance of fish species collected by gill nets set on ' the 9.1. and 13.7-m isobaths during 1980. The sampling locations usere Don Light (DL),500 m upcoast of and adjacent to the Unit 1 Dischenj (SONGS), and San Meteo Point (SMP). MPtw 9.1 n (seh4tn 13.7 m Isabett StevEt F E 84 mas t APell .P HEE AUGUST DEtt4 Bis 101At ftsauAav ARIL Jott TOTAL GRAND a 20mf DL 5n%$ 54P nL 50%5 W DL 50465 W OL 50%$ DL 50 % 5 9.In DL 50 % 5 SMP DL 50%5 5MP. DL 50E5 SMP ll. 7m TOTAL tettit000nTIDA( heteradoates f reac tses la 37 42 i ALNTT5AE t 47 53.5 CAFCh1LiTuC-12.5 Atoptes ce plaus Carchechtaus reemtes 21 47 .. 53.5 m ster s cei+FFaTcTs 7 6 12.5 8 12.5 !! 13.5 12.5 4 14 5.5 6 13 12.5 14.5 11.5 13 w salIAITUT 7.5 12.5
- 3. 5 7
- 4. 5.
11.5 6.5 83 10 .- 12.5 14.5 18.5 - 15 TFies t s se-t rest eete hveNs scentates 2 5 9 1.5 2-3 4.5 7 le 5 2 2 2 5 4 3' 3 Pt AT MiiTlilCAE P14terhin'eT4ts triserieta 9.5 {j 33 37 04JIDAL CLW3AE 11.5 34.5 53.5 se's taornata saretaces segee caer tees 20.5 47 53.5 o EmBATATfiAT Aachoe car,resse 18.5 47 a 53.5 regreutts nordes 13.5 - - 10 28 33.5 $AMI5iffl!ThAE Porschthys avriaster 23 47 53.5 OP MH ATERTWIST 18.5 47 53.5 etapht46en sectopst i Athertaops offlats 12 26 31 21 2 8 3 5 Ft herinopsis c el t facateasts 5.5 h 12.5 4 13 stiTAC Ti aTiFriii secoletoresciates - 12 16 12.5 4 18 8 9.5 12.5' 3 13 14.5 Paratahren cietheates r 16.5 47 53.5 WaTehrae acheTifer 13.5 10.5 - 5 5.5 . to 6 16.5 3 5 18.5 s 16 to 3 3 5.5 4 9.5 4 6 7 5-e PeTITTEsRTfDAE anisotrenus savtasoast 12.5 7 14 22 24.5 zeatst s.s ceTTreratensts 12.5 13.5 30.5 ' 12.5.. 9.5 15 27 26 SCTREKI Chettotrena seteraun 9.5 10.5 9 13 3 12.5 2 5.5 7.5 6 4 10 6 10.5 A 5.56.5 6 4 6 6 f fyaoscloa poh416s 13 4 3.5 15.5 14 14 - to 15 5 e 12.5 14.5 7 33 r,a,onen s i tae.t.s 1 2 2 3 5 7 2 3 2 5.5 a.5 2 1 1 1 2 2 - 2 3 8.5.. 1 2 meatic terhus val.Tatus 4 7.5 5.5 9-19.5 5 5 to 7.5 4 10 8 5.5 15 9 6.5. 9.5 6.5 9.5 to 14.5 to 9 Foac edor steeras s t 83.5 12.5 12.5 7.5 24 13.5 8 33 15 22 5,r t phus poi t tes 3 3 1 1.5 1 1 1 1 1 1 h 5.5 3 1 4 4 3 1 3 1 2 1 1 2 3 cl#TIITMI 1a.5 5 2 gg 14.5 34.5 12 ur+rsaa conceer SCNPT5TDat 10 _. 21 28 14.5 a4.5 31 Ctretta negrecaes mentaivaa caltferateasts 20.5 15.5 21.5 30.5 9 27 28
_ _. _._= m _ 4 4 Tatde 6A-2. The rank order of abundance of fish species collected by gilt nets an* on the 9.1-and 13.7-m isoboths during 1980. The sampling locations were Don Light (DL). 500 m upcoast of and adiacent to the Unit 1 Discharge (SONGS), and San Meteo Point (SMV). (Continued) O(PTN 9.7 't Ischeth 13.7 so Isabeta $leWET F( ARtlAf f apt L JtlNF Aurdf5I (M C{ MBER 7074L Ff bauART APa tt Jt.thE TOTAL CAAs0 Zone OL 50E5 5MP DL SOE5 SMP DL $0%5 hMP DL somr4 at soms 9.1st DL SOE5 $mP CL 50 % 5 SMP ' DL 504C5 $mP 13.7e TOTAL E48I0tnc t0ag Anphistichus argeatews A 18.5 13 21 - - 21.5 25 28 i 15.5 33.5 r.5 3 14 16 9 27 16.5 WrerhvisM freaetes 21 26 GssGiesTe7 aqqr,GTa s.5 13.5 33 11.5 6 9.5 16.9 14 14 23 9.5 10 24 il Dese fikih'ys vecca 13 15.5 T %etoca lessM 1a.5 9 a.5 4.5 2 6 12.5 7.5 14 5 9 8 11 17.5 11.5 2 14.5 a 10 Rip 3efssop6a Tr'Fateun 5.5 4 3 6.5 4 A.5 4 13 7.5 7.5 14 4 15 17.5 11.5 3.5 4 9.5 16 4.5 9 7 42 micrometrus asetnus RA.5 13 37 5 A.5 2 3 5 3 1 4 8 8 7 3 6 3 1 3 2 4 4 I ThWeTMfweratid 13.5 1s.5 6 7 19.5 12.5 POMAReiT9TUAf 20.5 11.5 14 ?! 15 17.5 11.5 6.5 9.5 6 7 11.5 19-Ecochlivs tomates 9.5 Fo.5 53,.5 15 34.5 gsy c.au . n Chronis guacts is 3 Ha t tchoeces sen,c tactus 7 8.5 21 18 20 13 4.5 16.5 21 47 53.5 fin g iui fs7t T recalc e-20.5 19.5
- 8. 5 32.5 5.5 11 11.5 9
17 15 11.5 6 9.5 44 la Pincionet poichrws 18.5 SPRV argentee 21 47 6.5 14.5 29.5. 37 Heterestiches restrates 20.5 47 15 13 . - 15 16 21 33 5dMRWT5AE sarde chtitensts 9 8.5 4 4 21 12 3.5 23 14 Foh Japanicos 34.5 42 STW6MATETDAE 14 47 15 Pepettes sinttlinus 15 34.5 53.5 5CTla'PTfhT6AE 29.5 ' 20 16.5 scorpa_eq guttata 13.5 18.5 16 10 12.5 7.5 21 14 21.5 19 15 ., 9.5 3.5 senestes etrovtrees 9.5 42 Te aiFW ceraetus 13 21 37 42 Westes eartc.1stus r 13 47 53.5 TeWaitei restreTTooer 37 42 l TeTJiTE Tirrenatdes~ 16 19.5 47 ? 24 33.5 COTTIDAC" 17.5 34.5 53.5 sebastes secreceps 21 47 53.5 Leptorettes er.utus 16.5 21.5 37 42 broe6TDitFys~n~e7maratus 80TWTUAE fitTirichthys seathastigru 5 24. 53.5 Ctthartchthn stiewees 13.5 47 3g 18.5 24.5 c ait foratcus 16.5 10 21 14 28 12.5 13 11.5 6.5 15 Pleureatchthys verticeits 11.5 34.5 53.5 Os 3= 0 N li z I
l "'W O W DON LIGHT 50 % 5 E__ E..._5_: =.,r - - - - ~ E_$. 5_:=....- - - -' ~ 3_ P_ E_.T ~ ~ ~~ ~ ~ ~ ~ ~' s l 1:1.7 1:4.3 1:1.9 R*30 I 9 30 R' 12 + y, g. b) s-g s. s. O f y 3 j. g 8 g g. s h s al l ] t< t t-p e. e-e. l/2.$$5 Y )u // k 1 8I====. = ~ s-sj
===.."'"*"**"""".a.
==**.'".*.'.C.*"**"""'" . = = - -. - = g. S 1*2*3 I I:I n.t2 L
- It 9,
R=12 ?. 3 p QQ 41573.n s't Hr r r,- Figut e 6A-2. l.ength-frequency histograms of Seriphus politus derived from gall not sent pies from the 9.1-and 13.7 m isoboths in the following erses during 1980: Don Light (DL),500 m upcoest of and ediacent to the Unit 1 Dischstge ($0NGS),and San Meteo Point (SMP). The number of replicates collected per year is indicated by R and number of individuals by N. Sex ratios (Males: Females) are also presented.
DON t,1GNT SONGS SAN MAtto PotNT =.=."".?.7".T.".""'""***"*"
== :"*.*:". 7 ".Tt. "-* * * * * ""
== n.n. g L" " ~ " " "" '*-" T ~ f 1:3.6 2 1:2.1 8 I 2'3 R=30 a.30 R*12 s a-s. 2-E- 3-l 8' 8' _f ' .-l Es-a s. t. h t L $ ':l:l~7 h; e 1 e .,/ o /y ,Alkw k.- ladLa n. t==""t...".T""*****'- a- :=l:=,-,n 7,=,='= ->- a -.-+-
- == n:,.;;,r,- - - ~ - = --
l l 2> NO* = L"= * *1.=.
- ~~J.".;.=.
1:1.2 3:g 1:1.3 be g. R*12 R=12 R*12 i 9 n. -r' // hL a ////// Q ~* ~ 'Itm.od4* u.JL nl." 't, od1 u %.e 1" "ro osi u 3. *." o Figure SA-3. Length-frequency histeroms of Geyonemus linestur derived from gitt not semples f rom the 9.1-and 13.7 m isoboths in the following stees during 1980: Don Light (DL). 500 m upcoast of and edpecent to the Unit 1 Die-charge (SONGS), and San Meteo Point (SMP). The number of replientes collected por year is indicated by R and number of indieiduals by N. Seu m.
- n ratios (Meles: Females) are eiso presented.
ee l l
1 l l 6B. FISH IMPINGEMENT l t l The impingement study was conducted in compliance with Environmental Tech-l nical Specification (ETS) Section 3.1.2.a(2) Heat Treatment, and ETS Section 4.2 Normal Operation, to provide data on the fish impinged by SONGS Unit 1. METHODS i A detailed descriptin of impingement sampling methods is given in ETS procedures for both nomal operation (SCE R&D Procedures EMP 25-5-25) and heat treatments (SCE R&D Procedures EMP 25-5-58). A general review is presented below. Nomal Ope-ation l Samples are collected at least weekly during normal flow operations. These samples are based upon a period of 24 hrs of continuous operations. l I Abundance data collected on an operational period of less than 24 hrs will be standardized to a 24 hr operational period. Due to irregular flow scheduling resulting from station shutdown, fish samples in 1980 could on.ly be taken during the months of January, February, March, April, June, and July. The data collected consists of the total number of taxa, number of indi-viduals per taxon, and the aggregate weight per taxon of fish impinged on the traveling screens and bar rakes during the sampling period. Standard length for a maximum of 125 individuals per select species and sex for a maximum of 50 individuals per select species are also detemined. Heat Treatment During each heat treatment, fish collected by traveling screens and bar rakes were identified, enumerated, weighed, and measured. Data collected is the same as described for nomal operation sampling. RESULTS Fish impingement data collected during 1979 were obtained from two heat treatment, and 32 normal operation samples. A summary of the data collected are i l presented in the following tables. The number of individuals and aggregate weight per taxon are summarized for nomal operation and heat treatment collections. A more detailed breakdown of the data by individual sample is presented in the Comprehensive Data Supplement (SCE 1981). In addition, a detailed summary of length and sex data of impinged fish as well as abiotic parameters measured at the time of sampling are presen,ed in the Supplement. I
6B-2 Table 68-1. TOTAL NUMBER AND WEIGHT OF FISH APPEARING IN 32 NORMAL OPERATION SAMPLES TAKEN AT SAN ONOFRE UNIT 1 IN 1980.
"----------------- PLANT: SAN ONOFRE UNIT 1 ------------------------
SPECIES NAME COMMON MAME COUNT WT(KG) ALOPIAS VULPINUS PELAOIC THRESHER 1 9.98 AMPHISTICHHS ARGENTEUS BARRED SURFPERCH 74 5.55 ANCHOA COMPRESSA DEEP BODY ANCHOVY 482 5.75 ANISOTREMUS DAVID 50HI SARGO 50 8.10 ATHERINOP5 AFFINIS TOPSMELT 167 5.41 ATHERINOPSIS CALIFORNIENSIS JACKSMELT 3269 407.78 I BRACHYISTIUS FRENATUS KELP SURFPERCH 33 1.42 CHEILOTREMA SATURNUM BLACK CROAKER 20 3.45 CHROMIS PUNCTIPINNIS BLACKSMITH 2 0.12 CITHARICHTHYS STIGMAEUS SPECKLED SANDDAB 269 3.12 CYMAT0 GASTER AGGREGATA SHINER SURFPERCH 148 4.08 CYNOSCIDH NOBILIS WHITE SEABASS 16 4.31 DAMALICHTHYS VACCA PILE SURFPERCH 20 4.82 EMBIOTOCA JACKSONI BLACK SURFPERCH 91 7.01 ENGRAULIS MORDAX HORTHERN ANCHOVY 3219 24.57 GENYONEMUS LINEATUS WHITE CROAKER 7014 445.05 GIRELL A HIGRICAP3 OPALEYE 59 42.53 GYMNOTHORAX MORDAX CALIFORNIA MORAY 1 2.04 GYMNURA MARMORATA CALIFORNIA BUTTERFLY RAY 11 22.45 HALICHOERES SEMICIHCTUS ROCK WRASSE 2 0.68 HERM0SILLA AZUREA 2EBRAPERCH 1 1.13 HETERODONTUS FRANCISCI HORN SHARK 5 3.(A HETEROSTICHUS R0 STRATUS GIANT KELPFISH 60 4.43 HYPERPROSOP0H ARGENTEUM WALLEYE SURFPERCH 6931 229.11 HYP50BLENNIUS JENKINSI MUSSEL BLENNY 11 0.46 HYPSOPSETTA GUTTULATA DIAMOND TURBOT 35 9.68 HYPSYPOPS RUBICUNDA GARIBALDI 5 2.05 LEPTOCOTTUS ARMATUS STAGHORN SCULPIN 2 0.28 LEURESTHES TENUIS CALIFORHIA GRUNION 1143 22.53 MENTICIRRHUS UNDULATUS CALIFORNIA CORBINA 246 53.07 MERLUCCIUS PRODUCTUS PACIFIC HAKE 1 0.45 MICROMETRUS MIHIMUS DWARF SURFPERCH 42 1.23 MUSTELUS CALIFORNICUS GRAY SM00THHOUND 23 14.05 MYLI0BATIS CALIFORNICA BAT RAY 29 204.39 OTOPHIDIUM SCRIPPSAE BASKETWEAVE CUSK-EEL 115 9.92 OTOPHIDIUM TAYLORI SPOTTED CUSK-EEL 12 1.58 OXYJULIS CALIFORNICA SENORITA 1 0.23 PARALABRAX CLATHRATUS KELP BASS 4 0.85 PARALABRAX NEBULIFER BARRED SAND BASS 60 10.83 PARALICHTHYS CALIFORHICUS CALIFORNIA HALIBUT 91 16.85 PAROPHRYS VETULUS ENGLISH SOLE 2 0.57. PEPRILUS SIMILLIMUS PACIFIC BUTTERFISH 751 30.11 PHANERODON FURCATUS WHITE SURFPERCH 909 33.20 PIMELOMETOPON PULCHRUM CALIFORNIA SHEEPHEAD 1 0.23 PLATYRHINOIDIS TRISERIATA THORNBACK 68 30.03 PLEURONICHTHYS COEN05US C-0 TURBOT 21 5.72 PLEURONICHTHYS RITTERI SPOTTED TURBOT 25 3.49 PLEURONICHTHYS VERTICALIS HORNYHEAD TURBOT 8 0.67 PORICHTHYS MYRIASTER SPECKLEFIN MIDSHIPMAN 7 3.29 PORICHTHYS NOTATUS PLAIHFIN MIDSHIPMAN 169 15.78 RAJA BIN 0CULATA BIG SKATE 1 1.47 RHACOCHILUS T0XOTES RUBBERLIP SURFPERCH 23 1.23 RHINOBATOS PRODUCTUS SHOVELHOSE GUITARFISH 43 1(.32 ROHCADOR STEARNSI SPOTFIN CROAKER 267 138.44 SCORPAENA GUTTATA SCULPIN 137 19.10 SCORPAEHICHTHYS MARMORATUS CABEZON 3 1.02 SEBASTES AURICULATUS BRDJN RCCKFISH 5 0.85 SEBASTES PAUCISPINIS BOCACCIO 2 0.05 SEBASTES RASTRELLIGER GRASS ROCKFISH 13 2.83 SEBASTES SERRANDIDES OLIVE ROCKFISH 29 18.48 SERIPHUS POLITUS QUEEHFISH 66263 1528.88 SQUALUS ACANTHIAS SPIHY DOGFISH 60 138.12 SYNGNATHUS PIPEFISH 80 1.18 TORPEDO CALIFORNICA CALIFORNIA ELECTRIC RAY 54 562.69 TRIAKIS SEMIFASCIATA LEOPARD SHARK 20 7.27 UMBRINA RONCADOR YELLOWFIN CROAKER 74 5.10 UROLOPHUS HALLERI ROUND STINGRAY 237 87.44 VOMER DECLIVIFRONS PACIFIC MOONFISH 1 0.23 XENISTIUS CALIFORNIENS!$ SALEMA 77 2.66 XYSTREURYS LIOLEPIS FANTAIL SOLE 2 0.22 TOTAL SPECIES 93117 4253.63
68-3 i Table 6B-1. TOTAL NUMBER AND WEIGHT OF FISH APPf 4 RING IN 1980 HEAT TREATMENT OPERATIONS AT SAN ONOFRE UNIT 1.
PLANT: SAN ONOFRE UNIT:1 -------------------------
SPECIES NAME CCMMON NAME COUNT WT(KG) AMPHISTICHUS ARGENTEUS BARRED SURFFERCH 1 0.11 ANCHOA COMPRESSA DEEP BODY ANCHOVY 45 0.50 ANISOTREMUS DAVID 50HI SARGO 33 14.18 ATHERINOPS AFFINIS TOPSMELT 165 4.47 ATHERINOPSIS CALIFORNIEN$IS JACKSMELT 201 22.23 CHEILOTREMA SATURNUM BLACK CROAKER 23 2.84 CHROMIS PUNCTIPINNIS BLACKSMITH 3 0.23 CTMAT03 ASTER AGGREGATA SHINER SURFPERCH 1 0.11 CYNOSCICH NCBILIS WHITE SEABASS 3 '1.59 DAMALICHTHYS VACCA PILE $URFPERCH 8 2.27 EMBICTOCA JACK 5ONI BLACK SURFPERCH 22 3.74 ENGRAULIS MORDAX NORTHERN ANCH0VY 11 0.16 GENYONEMUS LINEATUS WHITE CROAKER 23 2.50 GIRELLA HIGRICANS OPALEYE 18 13.61 HETEROSTICHUS R0 STRATUS GIANT KELPFTSH 3 0.34 HYPERPROSOPON ARGENTEUM WALLEYE SURFPERCH 3900 170.66 HYP50BLENNIUS JENKINSI MUSSEL BLENNY 3 0.05 HYPSYPOPS RUBICUNDA GARIBALDI 3 0.80 LEURESTHES TENUIS CALIFORNIL GRUNION 21 0.28 MENTICIRRHUS UNDULATUS CALIFORNIA CORBINA 4 0.45 OTCPHIDIUM $CRIPPSAE BA5KETWEAVE CU5K-EEL 1 0.11 OTOPHIDIUM TAYLORI $ POTTED CUSK-EEL 1 0.23 PARALABRAX NEBULIFER BARRED SAND BASS 149 19.05 PARALICHTHYS CALIFORNICUS CALIFORNIA HALIBUT 3 0.34 PEPRILUS SINILLIMUS PACIFIC BUTTERFISH 2 0.05 PHANERCDON FURCATUS WHITE SURFFERCH 11 1.02 PIMELOMETOPON PULCHRUM CALIFORNIA SHEEPHEAD 7 6.35 PLATYRHINDIDIS TRISERIATA THORNBACK 1 0.57 RONCADOR STEARN51 SPOTFIN CROAKER 8 3.85 SCORPAENA GUTTATA SCULPIN 62 5.67 SCCRPAEHICHTHYS MARMORATUS CABE20N 3 1.13 SEBASTES RASTRELLIGER GRASS ROCKFISH 23 4.08 SERIPHU3 POLITUS QUEENFISH 617 34.70 $QUALUS ACANTHIAS $ PINY DOGFISH 2 3,29 TCRPEDO CALIFORNICA CALIFORNIA ELECTRIC RAY 4 74.39 UMBRINA RONCADOR YELLCWFIN CROAKER 19 1.82 UROLCPHUS HALLERI ROUND STINGRAY 7 3.07 XENISTIUS CALIFORNIENSIS SALEMA 5 0.05 TOTAL 5PECIES 5416 400.89 J ,, -}}