For purposes of showing compliance with this regulation, sampling shall be conducted using one of the sampling methodologies specified in ASTM D4057 as published in June of 2022, ASTM D5842 as published in December of 2019, or ASTM D4177 as published in August of 2022; and any emission test or fuel test required by the Department shall be conducted in accordance with ASTM D5191 as published in August of 2022, or any other method approved by the Commissioner and the United States Environmental Protection Agency.
06-096 C.M.R. ch. 119, § 4
Copies of the materials incorporated by reference are available from the Department by calling 207-287-2811.