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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.: 145485 -- <br /> Review Level: II Reviewed by/Date: fAl W06 <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples:41UO+ (p-c:> ' <br /> Analysis/Method: TA�N - G MsO11he IS-M <br /> ✓1. Date received and collected on COC matches Form I. <br /> ✓2. Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> I�NASample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> L-14.NADetection limits on Form I within workplan limits. <br /> V5. Holding times for prep and analysis are met. <br /> V-6: 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 /> V'8+-Surrogate recoveries for samples and QC are included for all organic <br /> 0o analyses. <br /> Ve(�Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> UU samples. <br /> VTO. Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> v1.�—Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> (/I"2.NA Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> "'SAA Duplicate sample results meet laboratory/project acceptance criteria. <br /> Vf4 Laboratory Control Sample recoveries are included for all analyses. <br /> LA Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> All ►c J,.s ►ted •1. RSD < 2.0'/. <br /> Alt CC.ys had ./.[> ! -t(_ ls'/. <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 - Fax (415)459-6580 <br />