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Data Validation Summary <br /> +; <br /> MS 2870 Gateway Oaks Drive,Suite 300 <br /> Sacramento,CA 95833 <br /> Telephone—(916)679-2000 <br /> Fax—(916)679-2900 <br /> { <br /> TO: Tony Mindling <br /> { FROM: Sacramento QA/QC Group FILE: 17322736.07003 <br /> DATE: July 16,2004 SITE: American Forest Products E <br /> + SUBJECT: Summary of Data Validation for American Forest Products -2Q04 <br /> STL Project: G4F 160124 I <br /> A check for data completeness (Completeness Check) was performed by the Sacramento QA/QC Group <br /> on STL Report G4FI60124. This report contains analytical data for ten aqueous samples: DMW-1, <br /> DMW-2, DMW-3, DMW-4, DMW-5, DMW-6, DMW-7, DMW-8, DMW-9, and DMW-70, and one k <br /> aqueous trip blank, TB. Samples DMW-7 and DMW-70 represent a field duplicate pair. The samples f <br /> were collected on June 14, 2004, and submitted to Severn Trent Laboratories, Inc. in West Sacramento, <br /> i California, for analysis. The analyses requested include TPH-Diesel (EPA 8015M) and Volatile Organic <br /> Compounds including oxygenates and 1.2-DCA (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 x <br /> ✓ Compound Identification and Quantification <br /> rThe following presents an overview of the Completeness Check: <br /> #� + All analyses were performed as requested on the chain-of-custody record (COC) except TB, which <br /> was not recorded on the COC. TB was analyzed for Volatile Organic Compounds including <br /> i oxygenates and 1,2-DCA(EPA 8260B). f <br /> f� <br /> f w All holding times were met. y <br /> { All associated blanks were free of contamination- <br /> 0 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 /> • There were no significant differences between the field duplicate pair, DMW-7 and DMW-70_ <br /> J <br /> FA!ProjectsWRS\AFP1 arter1 \ 2041Sacva1 AFP2 2004.doc Q� 1 Q Q <br /> i <br /> 4 <br /> i <br />