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Data Validation Summary <br /> 2870 Gateway Oaks Drive,Suite 300 <br /> Sacramento,CA 95833 <br /> - Telephone—(916)679-2000 <br /> Fax—(916)679-2900 <br /> TO: Tony Mindling <br /> FROM: Sacramento QA/QC Group FILE: 17322736.07003 <br /> DATE: July 31,2003 SITE: American Forest Products <br /> SUBJECT: Summary of Data Validation for American Forest Products -2Q03 <br /> STL Project: G317250207 <br /> A check for data completeness (Completeness Check) was performed by the Sacramento QA/QC Group <br /> on STL Report 03F250207. This report contains analytical data for eight aqueous samples: DMW-1, <br /> DMW-2, DMW-3, DMW-4, DMW-5, DMW-6, DMW-7, and IDW, and one trip blank, TB. The <br /> samples were collected on June 24, 2003, and submitted to STL in West Sacramento, California, for <br /> analysis. The analyses requested include TPH-Diesel(EPA 8015M) and Oxygenates, including 1,2-DCA <br /> (EPA 8260B). <br /> The data were reviewed in accordance with analytical methods outlined in SW-846. The data were <br /> evaluated based on the following parameters. <br /> ✓ Data Completeness <br /> ✓ Holding Times <br /> ✓ Blanks <br /> `- ✓ Laboratory Control Samples <br /> ✓ Matrix Spike/Matrix Spike Duplicates <br /> ✓ System Monitoring Compounds (Surrogates) <br /> ✓ Field Duplicates <br /> ✓ Compound Identification and Quantification <br /> The following presents an overview of the Completeness Check: <br /> • All analyses were performed as requested on the chain-of-custody record and all holding times were <br /> met. <br /> • All associated blanks were free of contamination. <br /> !F r • All Laboratory Control Sample recoveries were within laboratory acceptance limits. <br /> • An assessment of matrix effects can not be made since an MS/MSD analysis was not performed. <br /> • All surrogates are appropriate for their respective methods. All surrogate recoveries were within <br /> laboratory acceptance limits <br /> • Although sufficient sample volume was provided for a field duplicate analysis of sample DMW-3, <br /> the sample was not analyzed in duplicate. <br /> • No dilutions were performed. <br /> `- These data are acceptable and are useable for their intended purpose. <br /> D.1Shared\Reporl Documents\American ForestlSacval AFP 2Q2003.001 <br /> ,f <br />