30 CFR 56.6309 - Fuel oil requirements for ANFO.
(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.
Title 30 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 30 CFR Part 56.