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Field Audit Manual

The Continuous Emissions Monitoring System (CEMS) Field Audit Manual details recommended procedures for conducting a field audit of a Part 75 monitoring system. Included are: tools you can use to prepare for an audit; techniques you can use to conduct the onsite inspection and review records; proper methods for observing performance tests; and guidelines for preparing a final report. EPA has designed the audit procedures in this document so that personnel with varying levels of experience can use them. The manual also provides checklists that can be used as a guideline to ensure that all necessary data are obtained during facility inspection.

Any questions can be emailed to Louis Nichols (nichols.louis@epa.gov) or sent to:

US EPA (6204J)
Attn: Louis Nichols
1200 Pennsylvania Ave., NW
Washington, D.C. 20460

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