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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 03 <br /> Report No.: 145486 <br /> Review Level: 11 - Reviewed by/Date: 9JN OZY100 <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: L4)t 12S <br /> Analysis/Method: 75021 (3 <br /> ✓1.l-Date received and collected on COC matches Form I. <br /> v,-2.(S--Matrix listed on COC matches Form I, with appropriate units and detection <br /> as limits. <br /> is Sample preservative listed on COC is appropriate for method (aqueous <br /> samp�96 only). <br /> ✓41S[A-Detection limits on Form I within workplan limits. <br /> 1/5. Holding times for prep and analysis are met. <br /> V6 Form I is present for all samples and analyses. <br /> ✓7. Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> ✓8.CSurrogate recoveries for samples and QC are included for all organic <br /> QQ�analyses. <br /> Surrogate recoveries meet laboratory/project acceptance criteria for all i <br /> samples. <br /> 1 atrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> VJJ.NMatrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> 02ADuplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> V'13L,- Duplicate sample results meet laboratory/project acceptance criteria. <br /> ,/14. Laboratory Control Sample recoveries are included for all analyses. <br /> v;F5Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missin Items/Comments/Qualifications: <br /> { 20. <br /> PVCr K- <br /> <1- S - - (o <br /> 0- lint-Ara0� 1n <br /> �- Y% <br /> LUoY. w� _ c� <br /> 77 Do nican Drive - S n Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6 80 <br />