Standard # 1917.24(a)
Exposure limits. The carbon monoxide (CO) content of the atmosphere in a room, building, vehicle, railcar or any enclosed space shall be maintained at not more than 50 parts per million (ppm) (0.005%) as an eight hour average area level and employees shall be removed from the enclosed space if the carbon monoxide concentration exceeds a ceiling of 100 ppm (0.01%).
Clean Emissions Source Testing Status:
Both the Oxidation Catalyst and NSCR (3‐Way) Catalyst coatings have been source tested by recognized labs and US government Agencies and found to meet and/or exceed the CO indoor reduction standards. Copies of all source testing is available upon request from Clean Emissions Products Inc.