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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.: 145486 <br /> Review Level: II 1�1 Reviewed by/Date: <br /> Laboratory Name: Curtis & Tompkins. <br /> No. and Type of Samples: All t 125011 <br /> Analysis/Method: 7PH Ex+TACk"IP-5 �$JIsM <br /> ✓•f. 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/3KASample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> ✓4.NADetection limits on Form I within workplan limits. <br /> ✓5. Holding times for prep and analysis are met. <br /> ✓6. Form I is present for all samples and analyses. <br /> tel. 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 /> V -Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> V 50,,Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> all analyses. <br /> tt A.Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> 4,�K�Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> vl'3NhDuplicate sample results meet laboratory/project acceptance criteria. <br /> l/J,4. Laboratory Control Sample recoveries are included for all analyses. <br /> ✓15. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missin Items/Comments/ ualifications: <br /> 9 x ' <br /> -10 v <br /> 6- a- 1 <br /> 13 1 iZC�L§+�J <br /> v l0 14151f, not arnc�l_� <br /> • All l CAL't. R5D < 207• <br /> ✓All C- - - <IS' . <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415) 459-3124 • Fax (415)459-6580 <br />