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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.: 145124_' <br /> Review Level: II Reviewed by/Date: 4JzqJ <br /> Laboratory Name: Curtis & Tompkins uP.5 ' <br /> No. and Type of Samples: 1 W + Ba'S, 28S <br /> Analysis/Method:TPN- EXt'MdZ&e s r$OISM <br /> I-'1.(4,-Date received and collected on COC matches Form I. <br /> L,-2. Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> v3N&Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> V4.IJADetection limits on Form I within workplan limits. <br /> �5. Holding times for prep and analysis are met. <br /> v6 Form I is present for all samples and analyses. <br /> �. Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> L,-8.�,Surrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> O.{�Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> o samples. <br /> LAO. A-Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> 641 .b(AMatrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> G112./JADuplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> t-*"l3 Duplicate sample results meet laboratory/project acceptance criteria. <br /> I-,f4. Laboratory Control Sample recoveries are included for all analyses. <br /> 5. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> Al 1 7'P1A-Ed I C.A.-.s I.RSD<26 <br /> Pell 'TPN -Ext. OAVs '/ D < I5 /. <br /> MS�M�D not a,y�aQ.0 <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6580 <br />