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September 10, 1991 <br /> Sample Log 3047 <br /> Michael Holley <br /> Groundwater Technology Inc. <br /> 4057 Port Chicago Hwy <br /> Concord, CA 94520 <br /> Subject: Analytical Results for 5 Soil sample(s) <br /> Identified as: UST Removal <br /> Received: 08/30/91 <br /> Dear Mr. Holley: <br /> Analysis of the sample(s) referenced above has been completed. <br /> This report is written to confirm results communicated on <br /> September 9, 1991 and describes procedures used to analyze the <br /> samples. <br /> Sample(s) were received in brass sleeves that were sealed with <br /> PTFE sheets and plastic endcaps. Each sample was transported <br /> • and received under documented chain of custody and stored at <br /> 4 degrees C until analysis was performed. <br /> Sample(s) were analyzed using the following method(s) : <br /> "BTEX" (EPA Method 8020/Purge-and-Trap) <br /> "TPH as Gasoline" (;Modified EPA Method 8015/Purge-and-Trap) <br /> "TPH as Diesel ,Motor Oil,:Jet/Kferosend" (Mod. 8=015/Extraction) <br /> "Organic Lead" (DHS Method referred to in LUFT Manual ) <br /> "Volatile Organic Priority Pollutants" (EPA Method 8240) <br /> "Semi-Volatile Organic Priority Pollutants" (EPA Method 8270) <br /> "Total Lead" (EPA 7420-Atomic Absorption) <br /> "1,2-Dibromoethane" (EPA 8260) <br /> "hexavalent Chromium" <br /> Please refer to the following table(s) for summarized analytical <br /> results and contact us at 916-757-4650 if you have questions regarding <br /> procedures or results. The chain-of-custody document is enclosed. <br /> Approved by: <br /> iStewart Podolsky <br /> Senior Chemist <br /> Western Environmental <br /> Science&Technology <br /> 104.6.0live Drive,Suite 3 <br /> Oa v0,-,CA 95616 <br /> 53-9500 <br /> a <br /> 4 <br />