10 CFR 39.49, Uranium Sinker Bars

Uranium sinker bars The licensee may use a uranium sinker bar in well logging applications only if it is legibly impressed with the words "CAUTION--RADIOACTIVE--DEPLETED URANIUM" and "NOTIFY CIVIL AUTHORITIES (or COMPANY NAME) IF FOUND."

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NRC website 10 CFR 39.49

v t e Code of Federal Regulations
Title 10 Part 39 - LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
10 CFR: 1 2 4 5 7 9 10 11 12 13 14 15 16 19 20 21 25 26 30 31 32 33 34 35 36 37 39 40 50 51 52 54 55 60 61 62 63 70 71 72 73 74 75 76 81 95 100 140 150 160 170 171
1, General Provisions, Purpose and scope 2, Definitions 5, Interpretations 8, Information collection requirements: OMB approval 11, Specific Licensing Requirements, Application for a specific license 13, Specific licenses for well logging 15, Agreement with well owner or operator 17, Request for written statements 31, Equipment, Labels, security, and transportation precautions 33, Radiation detection instruments 35, Leak testing of sealed sources 37, Physical inventory 39, Records of material use 41, Design and performance criteria for sources 43, Inspection, maintenance, and opening of a source or source holder 45, Subsurface tracer studies 47, Radioactive markers 49, Uranium sinker bars 51, Use of a sealed source in a well without a surface casing 53, Energy compensation source 55, Tritium neutron generator target source 61, Radiation Safety Requirements, Training 63, Operating and emergency procedures 65, Personnel monitoring 67, Radiation surveys 69, Radioactive contamination control 71, Security, Records, Notifications, Security 73, Documents and records required at field stations 75, Documents and records required at temporary jobsites 77, Notification of incidents and lost sources; abandonment procedures for irretrievable sources 91, Exemptions, Applications for exemptions 101, Enforcement, Violations 103, Criminal penalties Appendices:

10 CFR 39.49, Uranium Sinker Bars

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