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<strong>QATS</strong> <strong>SPECIAL</strong>-<strong>REQUEST</strong> & <strong>SITE</strong>-<strong>SPECIFIC</strong> <strong>PESs</strong><br />
REGION IX PALOS VERDE <strong>SITE</strong><br />
Region IX Palos Verde and United Heckathorne<br />
sites – NIST SRM 1946 Lake Superior Fish Tissue<br />
<strong>QATS</strong> purchased and distributed SRM 1946 to four<br />
different labs.<br />
<strong>QATS</strong> evaluated results for pesticides, PCB Congeners,<br />
dioxins/furans against several sets of acceptance limits.<br />
Results from pre-award samples convinced contractor to<br />
use a specific lab.<br />
QA Plan for Palos Verde specifies use of SRM on longterm<br />
basis to demonstrate recoveries in difficult matrix.<br />
<strong>QATS</strong> is compiling data from all events to demonstrate<br />
trending from labs and methods.<br />
19th Annual NARPM Training Conference June 2-5, 2009 Atlanta, Georgia 23
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