053-10 Wyo. Code R. § 10-2
(a) Air compressors used or operated shall be constructed, installed, operated and repaired to conform to the Engineering Standards of ASME and ANSI.
(b) All air compressors, while in operation, shall be under the supervision of a competent crew member.
(c) If any defects are found in the air compressors, receiver tank and appurtenant equipment, the driller in charge shall be notified immediately by the crew member operator, and corrective measures immediately taken.
(d) The safety pressure relief valve and discharge end of exhaust pipes leading from air compressors shall be located or placed in such a way as to prevent discharge from being released to the atmosphere where injury to any person or property may result.
(e) Plugs and safety pressure relief valves shall be inspected at frequent intervals by the operator.
(f) Each air compressor shall be equipped with safety pressure relief valves set at a pressure not to exceed the working pressure of the receiver tank.
(g) Ample lighting shall be provided in front of the gauge panel, so that the gauges can be easily read.
(h) Fittings and pipe shall be properly installed and shall be capable of withstanding the discharge pressure of the compressor used.
(i) The fluids discharged from safety pressure relief valves and drain valves shall be piped to a place where they will not endanger employees.
(j) There shall be no valves in the discharge opening of a safety pressure relief valve or in the discharge pipe connected thereto.
(k) The piping connected to the pressure side and discharge side of a safety pressure relief valve shall not be smaller than the normal pipe size opening.
(l) All air compressors shall have at least one (1) air pressure regulator to control proper air flow.
053-10 Wyo. Code R. § 10-2