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§ 75.325 (f) and (g) Air quantity.

Program Handbook PH92-V-6

MSHA's Program Handbook PH92-V-6 sets forth guidelines and instructions for evaluating and processing mineventilation plans. Chapter 8 of this handbook, entitled "Guidance for Ventilation Plan Approval in Mines Where Diesel-powered Equipment is Operated" provides some good guidelines relative to 30 CFR Section 75.325 (f) and (g).