§57.22210. In-line filters (I-C mines).
30 C.F.R. § 57.22210
Filters or separators shall be installed on air-lift fan systems to prevent explosive concentrations of dust from passing through the fan.
Notes, amendments, and revision history
Authority
Authority: 30 U.S.C. 811.
Source
Source: 52 FR 24941, July 1, 1987, unless otherwise noted.
Authority
Authority: 30 U.S.C. 811.
Source
Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.