Introduction
Compliance assurance monitoring (CAM) is intended to provide a
reasonable assurance of compliance with applicable requirements under the Clean
Air Act (CAA) for large emission units that rely on pollution control device
equipment to achieve compliance. Monitoring is conducted to determine that
control measures, once installed or otherwise employed, are properly operated
and maintained so that they continue to achieve a level of control that
complies with applicable requirements. The CAM approach establishes monitoring
for the purpose of: (1) documenting continued operation of the control measures
within ranges of specified indicators of performance (such as emissions,
control device parameters, and process parameters) that are designed to provide
a reasonable assurance of compliance with applicable requirements; (2)
indicating any excursions from these ranges; and (3) responding to the data so
that the cause or causes of the excursions are corrected.
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CAM Rule
The final CAM Rule was published in the Federal Register on October 22,
1997. The text of the rule and other related background information can be
accessed from the website via the following links:
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CAM Technical Guidance Document
A Technical Guidance Document (TGD) to aid in implementation of the rule
has been prepared by EPA. The document further explains the CAM process,
monitoring approach submittals, CAM illustrations, and supplies technical
references for monitoring equipment and instruments.
The CAM TGD also contains two appendices. Appendix A contains detailed examples
of CAM submittals for different combinations of pollutant specific emission
units (PSEU), and add-on control devices. These submittals are based on actual
case studies. Appendix B contains brief discussions by control device type of
key operating parameters and indicators of performance with brief illustrations
of general monitoring approaches for each of the types of control devices.
The CAM TGD has been divided into multiple files because of its size. If you
would like to download specific sections of the guidance document or the entire
document, use one of the following options:
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