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� r <br /> VDataVal, Inc. <br /> DATA REVIEW CHECKLIST BY ANALYSIS METHOD <br /> Project Name: Stockton Redevelopment Performed by/Date: DJB 6/20/00 Df-') <br /> Report No.: 145383 <br /> Review Level: II 1 Reviewed by/Date: 1QJ b err) <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: A S <br /> Analysis/Method: To-} d bavi WW k.leu —Black. od <br /> O1 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 /> V3.NASample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> v"4.NA Detection limits on Form I within workplan limits. <br /> L--S.-Holding times for prep and analysis are met. <br /> v-6. Form I is present for all samples and analyses. <br /> ,,,7. Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> L,&.tJASurrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> L, .NA Surrogate recoveries meet laboratory/project acceptance criteria for all • <br /> samples. <br /> vYO.( —Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> as all analyses. <br /> L'11." Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> 00 acceptance criteria. <br /> LI'2&&Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> 13.LfADuplicate sample results meet laboratory/project acceptance criteria. <br /> V14. Laboratory Control Sample recoveries are included for all analyses. <br /> Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> 77 Dominican Drive • San Rafael, CA 94901 r (415) 459-3124 r Fax (415) 459-6580 <br />