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VDataVal, Inc. <br /> DATA REVIEW CHECKLIST BY ANALYSIS METHOD <br /> Project Name: Stockton Redevelopment-" Performed by/Date: DJB 6/20/00 bs <br /> Report No.: 145262 <br /> Review Level: II -,' Reviewed by/Date: �1W to 14gt& <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: <br /> Analysis/Method: PARI S 5531 <br /> >✓fDate received and collected on COC matches Form I. <br /> Matrix listed on COC matches Form I, with appropriate units and detection <br /> V- —limits. <br /> ✓� ILLSample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> ✓4.14ADetection limits on Form I within workplan limits. <br /> ✓5. Holding times for prep and analysis are met. <br /> ,/6. Form I is present for all samples and analyses. <br /> �I Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> ✓8.+analyses.Surrogate recoveries for samples and QC are included for all organic <br /> ✓9. Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> L-10.�Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> Vfl.W Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> II acceptance criteria. <br /> Vf2LADuplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> v/131NADuplicate sample results meet laboratory/project acceptance criteria. <br /> ✓14.1Laboratory Control Sample recoveries are included for all analyses. <br /> ✓15.l66Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> issin Items/Comments/ ualifications: <br /> tr�'tL •// g,!L /20 '/. o-r r 2 y O 4cJ <br /> ( D <br /> • <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415) 459-3124 • Fax (415)459-6580 <br />