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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 <br /> Report No.: 145171 -- <br /> Review <br /> Review Level: II Reviewed by/Date: <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: r l W + 2S ' <br /> Analysis/Method: PAIS s <br /> L""l. Date received and collected on COC matches Form I. <br /> t/2 Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> L4.NN Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> ✓4.NA Detection limits on Form I within workplan limits. <br /> V54 Holding times for prep and analysis are met. <br /> v6. Form I is present for all samples and analyses. <br /> V,7 Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> !/8.O� <br /> (JSurrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> • t/9.�Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> VON <br /> Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> V/11Y,�AMatrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> 012 KA <br /> Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> ✓13.MADuplicate sample results meet laboratory/project acceptance criteria. <br /> VI4. Laboratory Control Sample recoveries are included for all analyses. <br /> 15 Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> MissinaItems/Comments/Qualifications: <br /> ,/0s RPzo heave, <br /> 5air U-15 <br /> ro.1 I a I ir 1', +WC' 1z P LOL I I LArZ (,a Me- �- V)CA- Q <br /> 1 S LAA UUy ll--5 16 <br /> At ICAI. Y 70, + 5 A <br /> c.C-v 5 oo Zcv h o <br /> no 1 <br /> � r <br /> l/,o In <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6580 <br />