30 CFR § 57.5065 - Fueling practices.
---
identifier: "/us/cfr/t30/s57.5065"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 57.5065 - Fueling practices."
title_number: 30
title_name: "Mineral Resources"
section_number: "57.5065"
section_name: "Fueling practices."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "K"
subchapter_name: "METAL AND NONMETAL MINE SAFETY AND HEALTH"
part_number: "57"
part_name: "SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "50 FR 4082, Jan. 29, 1985, unless otherwise noted."
cfr_part: "57"
---
# 57.5065 Fueling practices.
(a) Diesel fuel used to power equipment in underground areas must not have a sulfur content greater than 0.05 percent. The operator must retain purchase records that demonstrate compliance with this requirement for one year after the date of purchase.
(b) The operator must only use fuel additives registered by the U.S. Environmental Protection Agency in diesel powered equipment operated in underground areas.
[66 FR 5907, Jan. 19, 2001; 66 FR 35520, July 5, 2001]