053-8 Wyo. Code R. § 8-2
(a) Air compressors used or operated shall be constructed, installed, operated and repaired to conform to the ASME Boiler and Pressure Vessel Code, Section VIII-1971.
(b) All air compressors, while in operation, shall be under the supervision of a competent employee.
(c) If any defects are found in the air compressors, receiver tank and/or appurtenant equipment, the equipment operator in charge shall be notified immediately and immediate corrective action 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) Safety pressure relief valves shall be inspected at frequent intervals by the equipment operator.
(f) Each air compressor shall be equipped with safety pressure relief valves set at a pressure not to exceed one working pressure of the receiver tank.
(g) Ample lighting shall be provided 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) Emissions discharged from a safety pressure relief valve shall be piped to a place where they will not endanger employees.
(j) There shall be no valve in the discharge opening of a safety pressure relief valve nor in the discharge pipe connected thereto.
(k) The piping connected to the pressure side and discharge side of a safety pressure relief shall not be smaller than the normal pipe size opening.
(l) All air compressors shall have at least one (1) pressure control for proper air flow.
(m) The safety pressure relief valve on main air tank shall be checked periodically and kept in proper working order.
053-8 Wyo. Code R. § 8-2