ARM 24.351.401. NIST HANDBOOK 130 - UNIFORM LAWS AND REGULATIONS

(1) The bureau, with the advice and counsel of NIST, adopts, except as provided in (2) , the regulations concerning fuel specifications and gasoline-oxygenate blends. The regulations are published in NIST Handbook 130, 2005 edition, part IV, subpart G, Uniform Regulation of Engine Fuels, Petroleum Products, and Automotive Lubricants. (a) A copy of NIST Handbook 130 can be obtained from the United States Department of Commerce, National Institute of Standards and Technology, National Conference of Weights and Measures, Gaithersburg, Maryland 20899-0001. (2) The following are the minimum antiknock index requirements for the various grades of gasoline sold in Montana and supersede the minimum requirements contained in paragraph 3.2.5, Table 1, p. 137, of Handbook 130: Term Minimum Antiknock Index Premium, Super, Supreme High Test 91 Midgrade, Plus 88 Regular Unleaded with Lead Substitute 87 Regular, Unleaded (alone) 85.5