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Restructuring EPA’s Stationary Source Audit Program (SSAP)

Restructuring EPA’s Stationary Source Audit Program (SSAP). Allowing Private Providers to Supply Audit Samples. Why Did We Have an Audit Program?. Audit samples provide assurance that testing performance was within acceptable limits during the compliance test

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Restructuring EPA’s Stationary Source Audit Program (SSAP)

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  1. Restructuring EPA’s Stationary Source Audit Program (SSAP) Allowing Private Providers to Supply Audit Samples

  2. Why Did We Have an Audit Program? • Audit samples provide assurance that testing performance was within acceptable limits during the compliance test • Many of the test methods in Part 60 (NSPS) require testers to measure an audit sample during a compliance test • There is a general requirement in Part 63 (NESHAPS/MACT) to analyze an audit sample during a compliance test

  3. How Did the SSAP Work? • Audit samples were ordered by registered users through the SSAP database • Samples were shipped to the user or to an address specified by the user • The tester performing the compliance test measured the audit sample according to the enclosed directions and reports the results to the user

  4. How Did the SSAP Work? • The user reported the result to the database and got immediate pass/fail results • Users have access to historical results stored in the database

  5. To ensure the long term stability of the program To allow the program to grow By increasing the methods for which samples are available By increasing the types of samples that are available – gases instead of liquid ampoules Why Did EPA Restructure the SSAP?

  6. Allow private providers to supply audit samples directly to the regulated sources Require sources to buy the audit samples How Did EPA Restructure the Program?

  7. How Did EPA Change Its Rules to Allow Private Sample Providers? • Amend the General Provisions of Parts 51, 60, 61, and 63 to state that audit samples will be available from private providers and not from EPA • Require sample providers to develop standard operating procedures through a consensus process • Require that sample providers be accredited by an independent accrediting body

  8. EPA Audit Rule Requirements • Sources required to purchase audit samples if commercially available • “Commercially Available” means that two or more independent Accredited Audit Sample Providers (AASPs) have audit samples available for purchase • Methods exempt from Audit samples: 3A, 3C, 7E, 6C, 7E, 9, 10, 18, 19, 20, 22, 25a, 303, 318, 321

  9. EPA Audit Rule Requirements (cont) • One audit sample is required for each method used during a compliance test • Provide the opportunity for the compliance authority to comment on the selected concentration level for the audit • Source reports results to AASP • Pass/fail results reported to Regulatory Agency and Source at same time

  10. EPA Audit Rule Requirements (cont) • The acceptance limit shall be set so that there is a 95 percent confidence that 90 percent of well qualified labs will produce results within the acceptance range

  11. Where Does the Audit Program Stand Now? • Rule was promulgated September 13, 2010 • Waiting for Voluntary Consensus Standard Body to submit criteria documents for us to review for approval.

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