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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 D'�) <br /> Report No.: 145262 <br /> Review Level: II ' Reviewed by/Date: 4JM IAWk o <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: a�S �aY fib'' <br /> Analysis/Method: ic. an /(001OR <br /> V'. Date received and collected on COC matches Form I. <br /> v2- Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> v3.1 ASample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> i.4.rVADetection limits on Form I within workplan limits. <br /> �. Holding times for prep and analysis are met. <br /> ,/6. Form I is present for all samples and analyses. <br /> v7. Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> 1/81�fA Surrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> 't.fJASurrogate recoveries meet laboratory/project acceptance criteria for all • <br /> samples. <br /> (/(0. Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> 1 Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> 1/12. -Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> vt 3 Duplicate sample results meet laboratory/project acceptance criteria. <br /> ,/14. Laboratory Control Sample recoveries are included for all analyses. <br /> ✓15. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missin Items/Comments/Qualifications: <br /> 1CYS -t- <br /> .V- <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415) 459-3124 • Fax (415)459-6580 <br />