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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 U6 <br /> Report No.: 145169 <br /> Review Level: II -- Reviewed by/Date: EJAJ .6 <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples:"V2JPa— <br /> Vl.* <br /> Analysis/Method: $TEXDate received and collected on COC matches Form I. <br /> ,.,-2.4Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> V-103ample preservative listed on COC is appropriate for method (aqueous <br /> Ysamples only). <br /> ✓4.t4A Detection limits on Form I within workplan limits. <br /> r/5.�Holding times for prep and analysis are met. <br /> Vt. Form I is present for all samples and analyses. <br /> Method blank results included for all dates of analysis and dates of <br /> G preparation (if applicable). <br /> V8.�--Surrogate recoveries for samples and QC are included for all organic <br /> • analyses. <br /> ci9.�--Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> 10. Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> V111JA__Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> ✓12.As)ADuplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> v'l3.i&&Duplicate sample results meet laboratory/project acceptance criteria. <br /> V1 4. Laboratory Control Sample recoveries are included for all analyses. <br /> L//15. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications <br /> ✓ All ►GPS/ 11ZSD < ?-a'/ <br /> CGV 'S +- IS' <br /> 06 .0p <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6580 <br />