The Part 75 continuous emission monitoring rule, found in 40CFR, was originally published in January, 1993.
The Part 75 continuous emission monitoring rule, found in 40CFR, was originally published in January, 1993. The purpose of the regulation was to establish continuous emission monitoring (CEM) and reporting requirements under EPA’s Acid Rain Program (ARP), which was instituted in 1990 under Title IV of the Clean Air Act. The ARP regulates electric generating units (EGUs) that burn fossil fuels such as coal, oil and natural gas and that serve a generator > 25 megawatts. For these units, Part 75 requires continuous monitoring and reporting of sulfur dioxide (SO2) mass emissions, carbon dioxide (CO2) mass emissions, nitrogen oxides (NOx) emission rate, and heat input.
The SO2 component of the ARP is a “cap and trade” program, designed to reduce acid deposition by limiting SO2 emission levels in the “lower 48" states of the U.S. The EPA has developed this "plain english" guide as a “road map” to help interested parties navigate through the complex Part 75 continuous emission monitoring rule. This guide may be useful to people responsible for complying with the rule, regulatory agencies assessing compliance with the rule, and others who want a general understanding of the emissions monitoring approach used in EPA’s emissions trading programs.
Topics: What is Part 75, and who is required to comply with it. The cap and trade program federal regulations which interface with Part 75 Overview of Part 75 monitoring requirements Basic continuous emissions monitoring requirements Methodology for gas-fired and oil-fired standard units and peaking units Low mass emissions methodologies monitoring systems certification procedures QA/QC procedures Missing data substitution Reporting procedures
Intended Audience: chemical, electrical, mechanical, energy, civil, construction engineers.
Publication Source: Environmental Protection Agency
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