Section 75.1714-1 - Approved self-rescue devices The requirements of S 75.1714 shall be met by making available to each person referred to in that section a self-rescue device or devices as follows:
(a) Until June 21, 1981 a self-rescue device or devices which have been approved under: - (1) Bureau of Mines Schedule 14F, Gas Masks, April 23, 1955, as amended (Part 13, 30 CFR, 1972 ed.); or
- (2) Subpart I of part 11 of this chapter; or
- (3) Subpart H of part 11 of this chapter, as follows:
- (i) A 1-hour self-contained self-rescue device; or
- (ii) A self-contained self-rescue device of not less than 10 minutes and a 1-hour canister; or
- (iii) Any other self-contained breathing apparatus approved under subpart H of part 11 of this chapter which provides protection for a period of 1 hour or longer and which is approved for use by MSHA for the purpose of a self-rescue device or devices when used and maintained as prescribed by MSHA.
(b) After June 21, 1981 a self-rescue device or devices which have been approved under subpart H of part 11 of this chapter, as follows: - (1) A 1-hour self-contained self-rescue device; or
- (2) A self-contained self-rescue device of not less than 10 minutes and a 1-hour canister; or
- (3) Any other self-contained breathing apparatus approved under subpart H of part 11 of this chapter which provides protection for a period of 1 hour or longer and which is approved for use by MSHA for the purpose of a self-rescue device or devices when used and maintained as prescribed by MSHA.
053-4 Wyo. Code R. § 75.1714-1