Code of Maine Rules
06 - DEPARTMENT OF ENVIRONMENTAL PROTECTION
096 - DEPARTMENT OF ENVIRONMENTAL PROTECTION - GENERAL
Chapter 110 - AMBIENT AIR QUALITY STANDARDS
Section 096-110-4 - Carbon Monoxide Ambient Air Quality Standards
Universal Citation: 06 ME Code Rules ยง 096-110-4
Current through 2024-38, September 18, 2024
The ambient air quality standards for carbon monoxide are:
A. 9 ppm (10 milligrams per cubic meter) for an 8-hour average concentration.The 8-hour average is met when the second-highest 8-hour average concentration per calendar year, as determined in accordance with 40 CFR Part 50 Appendix C, is less than or equal to 9 ppm; and
B. 35 ppm (40 milligrams per cubic meter) for an 1-hour average.The 1-hour average is met when the second-highest 1-hour average concentration per calendar year, as determined in accordance with 40 CFR Part 50 Appendix C, is less than or equal to 35 ppm.
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