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Compliance Assurance Monitoring

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:

  Preamble to the CAM Rule

(PDF 131 pp, 293K)  
  The CAM Rule

(PDF 35 pp, 63K)  
  Response to Comments on the CAM Rule

(ZIP 1753K)  

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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:

  CAM Table of Contents

(PDF 4 pp, 16K)  
  Entire TGD

(ZIP 4262K)  
  TGD Appendices

(ZIP 2400K)  

  TGD Appendices by Control Technique

   

  TGD Appendices by Pollutant

   

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