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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 Level: II -- Reviewed by/Date: FEAJ U bm <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: d W --- <br /> Analysis/Method: ArSeyliC + G�A / Ex�)I UI3 <br /> Vf. Date received and collected on COC matches Form I. <br /> (,2. 1 Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> t/� Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> "t,fA Detection limits on Form I within workplan limits. <br /> (,6.1A,--Holding times for prep and analysis are met. <br /> V6. 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 /> surrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> L.0'.IsASurrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> VI'O.+Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> L,41 . (I-Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> V12.�-Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> V13.Lt Duplicate sample results meet laboratory/project acceptance criteria. <br /> ✓14. Laboratory Control Sample recoveries are included for all analyses. <br /> V1'5 Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> A eta V%k C-,V)a hiGln 6 -"daCA WUe Cil a a WS+ri A1 <br /> Alt 1 1 CV S dmd Cc v5 m OICG 1+ rria . <br /> V <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415) 459-3124 • Fax (415)459-6580 <br />