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Title 10 Part 39 → Subpart C → §39.55

Title 10 → Chapter I → Part 39 → Subpart C → §39.55

Electronic Code of Federal Regulations e-CFR

Title 10 Part 39 → Subpart C → §39.55

e-CFR data is current as of September 13, 2019

Title 10Chapter IPart 39Subpart C → §39.55


Title 10: Energy
PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
Subpart C—Equipment


§39.55   Tritium neutron generator target sources.

(a) Use of a tritium neutron generator target source, containing quantities not exceeding 1,110 GBg [30 curies] and in a well with a surface casing to protect fresh water aquifers, is subject to the requirements of this part except §§39.15, 39.41, and 39.77.

(b) Use of a tritium neutron generator target source, containing quantities exceeding 1,110 GBg [30 curies] or in a well without a surface casing to protect fresh water aquifers, is subject to the requirements of this part except §39.41.

[68 FR 75390, Dec. 31, 2003]