Code of Massachusetts Regulations
310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION
Title 310 CMR 6.00 - Ambient Air Quality Standards For The Commonwealth Of Massachusetts
Section 6.01 - Definitions

Universal Citation: 310 MA Code of Regs 310.6
Current through Register 1531, September 27, 2024

Ambient Air means that portion of the atmosphere, external to buildings, to which the general public has access.

Department means the Department of Environmental Protection.

Equivalent Method means a method of sampling and analyzing the ambient air for an air pollutant that has been designated as an equivalent method in accordance with 40 CFR Part 53; it does not include a method for which an equivalent method designation has been canceled in accordance with 40 CFR Part 53.11 or 53.16.

Reference Method means a method of sampling and analyzing the ambient air for an air pollutant that is specified as a reference method in an appendix to 40 CFR Part 50, or a method that has been designated as a reference method in accordance with 40 CFR Part 53; it does not include a method for which a reference method designation has been cancelled in accordance with 40 CFR Part 53.11 or 53.16.

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