30 C.F.R. § 57.6309 Fuel oil requirements for ANFO.
Title 30 - Mineral Resources
(a) Liquid hydrocarbon fuels with flash points lower than that of No. 2 diesel oil (125 °F) shall not be used to prepare ammonium nitrate-fuel oil, except that diesel fuels with flash points no lower than 100 °F may be used at ambient air temperatures below 45 °F. (b) Waste oil, including crankcase oil, shall not be used to prepare ammonium nitrate-fuel oil.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart E—Explosives
Transportation—Surface and Underground
§ 57.6309 Fuel oil requirements for ANFO.

