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DataVal, Inc. <br /> DATA REVIEW CHECKLIST BY ANALYSIS METHOD <br /> Project Name: Stockton Redevelopment'Performed by/Date: DJB 6/20/00 <br /> Report No.: 145124 <br /> Review Level: II --- Reviewed by/Date: hi <br /> Z <br /> Laboratory Name: Curtis & Tompkins <br /> No. and Type of Samples: 11 f»Y AsP6� 125 -�W p6i SIS"�' <br /> Analysis/Method:_ Ar.6.e U.hd Lead nnina <br /> ✓1. Date received and collected on COC matches Form I. <br /> V,-'2Matrix listed on COC matches Form I, with appropriate units and detection <br /> limits. <br /> L,,-314A Sample preservative listed on COC is appropriate for method (aqueous <br /> samples only). <br /> ✓4gAL--Detection limits on Form I within workplan limits. <br /> ✓5. Holding times for prep and analysis are met. <br /> Form I is present for all samples and analyses. <br /> � Method blank results included for all dates of analysis and dates of <br /> preparation (if applicable). <br /> "MLSurrogate recoveries for samples and QC are included for all organic <br /> analyses. <br /> 1--3U&Surrogate recoveries meet laboratory/project acceptance criteria for all <br /> samples. <br /> �(,1�Matrix Spike/Matrix Spike Duplicate recoveries and RPD are included for <br /> CC all analyses. <br /> Vf-1-1'Un&Matrix Spike/Matrix Spike Duplicate recoveries meet laboratory/project <br /> acceptance criteria. <br /> t/'12.l00 - plicate sample results are included for all metals/general chemistry <br /> analyses. <br /> 13 N Duplicate sample results meet laboratory/project acceptance criteria. <br /> 14. Laboratory Control Sample recoveries are included for all analyses. <br /> X15. Laboratory Control Sample recoveries meet laboratory/project acceptance <br /> criteria. <br /> Missing Items/Comments/Qualifications: <br /> All 1EWV e 0. f� <br /> OVIW ,� QA6 <br /> - Jyioi3- - <br /> 6-IM&L loot <br /> IAl`lwla� <br /> 11 C G2s <br /> - - 0 54 <br /> LeaA Ton ` + 5 121'D <br /> 77 Dominican Dnve • San Rafael, CA 949M - (415)459-3124 • Fax ( 5) 459-6580 <br /> C a� <br /> aq �4b <br />