65-407 C.M.R. ch. 421, § 5
Chapter 421, § 5: Documentation Requirements
A.Preservation of Records#
1.All records required by these rules shall be preserved by the LPG operator for 1 year after the LPG Operator ceases to operate the LPG system unless otherwise designated by 49 C.F.R. Part 192.#
2.The LPG operator shall make such records available to the Commission upon request at the LPG operator's local office.#
B.LPG Operator Documentation of Gas Odorization#
1.All LPG delivered by distribution system to customers shall be odorized by the addition of a warning agent of such character that the gases are detectable, by a distinct odor.#
2.The presence of odorant shall be determined by sniff-testing or other means and the results documented upon delivery to the distribution system storage containers or when LPG is loaded into the containers of delivery vehicles at a bulk facility.#