46 C.F.R. § 58.16-25 Odorization.
Title 46 - Shipping
(a) All liquefied petroleum gases shall be effectively odorized by an agent of such character as to indicate positively by a distinctive odor, the presence of gas down to concentration in air of not over one-fifth the lower limit of combustibility.
Title 46: Shipping
PART 58—MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS
Subpart 58.16—Liquefied Petroleum Gases for Cooking and Heating
§ 58.16-25 Odorization.
