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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 TMIS <br /> Report No.: 145154 <br /> Review Level: II 1 Reviewed by/Date: <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: 1 O W <br /> Analysis/Method: 'TPU–C-sa6ol i hf./&O(S M <br /> v1. 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 /> ✓3J� Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> V4.NADetection limits on Form I within workplan limits. <br /> 1i5. Holding times for prep and analysis are met. <br /> ✓6. Form I is present for all samples and analyses. <br /> t/7.(„-Method blank results included for all dates of analysis and dates of <br /> 00 preparation (if applicable). <br /> V 8.(f--Surrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> L--�9.4—Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> C"J0. $Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> VJ_1.KAMatrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> L,-2.NkDuplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> �3.NADuplicate sample results meet laboratory/project acceptance criteria. <br /> ✓14. Laboratory Control Sample recoveries are included for all analyses. <br /> ✓'t'5. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> < 2v <br /> ✓moo '/ D <+/_ I <br /> ✓ M61 1-'!S <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6580 <br />