OAR 333-113-0335: Precautionary Procedures in Logging and Subsurface Tracer Studies: Tritium Neutron Generator Target Source

(1) Use of a tritium neutron generator target source, containing quantities not exceeding 1,110 GBq (30 curies) and in a well with a surface casing to protect fresh water aquifers, is subject to the requirements of this division except 333-113-0010, 333-113-0135 and 333-113-0501. (2) Use of a tritium neutron generator target source, containing quantities exceeding 1,110 GBq (30 curies) or in a well without a surface casing to protect fresh water aquifers, is subject to the requirements of this division except 333-113-0135.