2004 December

U.S. Environmental Protection Agency PEMS Demonstration

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FOR IMMEDIATE RELEASE: Decmeber 29th, 2004

[U.S. Environmental Protection Agency PEMS Demonstration] [Washington D.C., 12/29/2004]

The EPA states that: “Validation of a PEMS should require a rigorous initial certification that includes performing a set of statistical analyses and a RATA. Although the initial certification described in Section 5.1 may not be as time intensive as that described in Subpart E, we believe that it is sufficient and fair. In addition, adequate QA procedures, such as those described in Section 5.2, will ensure that the PEMS predictions are valid during unit operation. In observing sufficient initial certification and quality assurance procedures, we believe that PEMS can be operated with confidence and that the PEMS-predicted NOx emissions are accurate.”

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