C.F.R. » Title 30 » CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR › SUBCHAPTER O—COAL MINE SAFETY AND HEALTH › PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES › Subpart D—Ventilation

30 C.F.R. § 75.326

Mean entry air velocity

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In exhausting face ventilation systems, the mean entry air velocity shall be at least 60 feet per minute reaching each working face where coal is being cut, mined, drilled for blasting, or loaded, and to any other working places as required in the approved ventilation plan. A lower mean entry air velocity may be approved in the ventilation plan if the lower velocity will maintain methane and respirable dust concentrations in accordance with the applicable levels. Mean entry air velocity shall be determined at or near the inby end of the line curtain, ventilation tubing, or other face ventilation control devices.

[61 FR 9828, Mar. 11, 1996; 61 FR 29288, June 10, 1996]
Notes of Decisions
Cited in 5 cases, 1987–2005 · leading case: Int'l Union v. Mine Saf. & Health Admin., 407 F.3d 1250 (D.C. Cir. 2005).
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Int'l Union v. Mine Saf. & Health Admin., 407 F.3d 1250 (D.C. Cir. 2005). · cites it 2× “30 C.F.R. § 75.326 (1991). During the fifteen-year period prior to 2003, the.”
Int'l Union v. Mine Saf. & Health Admin., 830 F.2d 289 (D.C. Cir. 1987). · cites it 3× “On July 29,1982, Emerald filed a petition with the Secretary seeking modification of the safety standard set forth at 30 C.F.R. § 75.326 2 at its No. 1 Mine. 3 The standard is one of several mandatory safety standards governing mine ventilation.”
Int'l Union v. Fed. Mine Saf. & Health Admin., 920 F.2d 960 (D.C. Cir. 1990). “The requirement is restated in the regulations of the Mine Safety and Health Administration at 30 CFR § 75.326 , and the parties generally refer to it by that designation.”
Int'l Union v. Fed. Mine Saf. & Health Admin., 924 F.2d 340 (D.C. Cir. 1991). “30 C.F.R. § 75.326 (1990) (section 75.326).”
United Mine Workers of Am. v. Mine Saf. & Health Admin., 928 F.2d 1200 (D.C. Cir. 1991). “30 C.F.R. § 75.326 (1990). This standard is the same as that established by section 303(y)(l) of the Federal Mine Safety and Health Act of 1977 (“Mine Safety Act”), 30 U.”
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