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QATS SPECIAL-REQUEST & SITE-SPECIFIC PESs

QATS SPECIAL-REQUEST & SITE-SPECIFIC PESs

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<strong>QATS</strong> PES PROGRAM<br />

PES use in the Contract Laboratory Program (CLP)<br />

<strong>PESs</strong> are typically analyzed along with environmental<br />

samples as requested by the EPA Regions.<br />

<strong>PESs</strong> are used to monitor and document the<br />

performance of laboratories and analytical methods.<br />

<strong>PESs</strong> are used to evaluate the performance of all CLP<br />

labs on a quarterly basis (QB Program).<br />

PES analysis is used in the contract solicitation process.<br />

PES results are used to assist in the validation of<br />

environmental sample analysis results.<br />

PES usage enhances the confidence in the quality of<br />

data and the decision-making process.<br />

19th Annual NARPM Training Conference June 2-5, 2009 Atlanta, Georgia 3

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