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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.: 145262 <br /> Review Level: II Reviewed by/Date: <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples:-LS S <br /> Analysis/Method: TP H -Esa5o)me- 8Q(S M <br /> ✓14-Date received and collected on COC matches Form I. <br /> v*�. Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> v/3.KA Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> 4NA Detection limits on Form I within workplan limits. <br /> V45. Holding times for prep and analysis are met. <br /> ✓6. Form I is present for all samples and analyses. <br /> i/7. Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> V 8.lSurrogate recoveries for samples and QC are included for all organic <br /> ((II analyses. <br /> V9.R, Surrogate recoveries meet laboratory/project acceptance criteria for all • <br /> ((�) samples. <br /> 0110.q Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> VV all analyses. <br /> V, <br /> 11. <br /> Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> Q acceptance criteria. <br /> v12 X <br /> A-Duplicate sample results are included for all metals/general chemistry <br /> analyses. <br /> 8 Duplicate sample results meet laboratory/project acceptance criteria. <br /> 14. Laboratory Control Sample recoveries are included for all analyses. <br /> v--'1'5Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications <br /> All ICAis Z RSD < 20Y. <br /> ✓/x.11 C Cys <br /> V.D { 15 <br /> 77 Dominican Drive • San Rafael, CA 94901 • (415)459-3124 • Fax (415)459-6580 <br />