All tests to determine the quality of gasoline or diesel fuel shall be made in accordance with the most recent revision of either Standard D439, Specification for Automotive Gasoline, or Standard D975, Specification for Diesel Fuel Oils, of Part 23 of the American Society for Testing and Materials.
(1949 Rev., S. 2544; P.A. 81-172, S. 16.)
History: P.A. 81-172 updated the method of testing gasoline and included a test for diesel fuel.