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OCT.24.2003 8:34AM CALVEPR DTSC - HWNP NO.833 P.9i9 <br /> Callfomla Department of Toxic Substances Control HML No.: AN00471 <br /> Hazardous Materials Laboratory(InOrganic Section) <br /> 2151 Berkeley Way, Berkeley, CA 94704, Ph'. (510)540-3003 Auth. No.: HMT5225 <br /> Laboratory Quallty Control Report' page: 2 <br /> For Waste Extraction Test Iof: 2 <br /> Date Sampled: 10/7/2003 <br /> Collector's Name: Leo Valdoz " Date Received: JOL812003 <br /> Collector's Address: 700 Heinz Ave. Suite 200 Date Extracted: 10/17(¢3 <br /> Berkeley, CA 94710 Date Analyzed: 0/21/2003 <br /> Site of Samplings Tom Newhall Method Used; 0910 at Renal <br /> Site Address: 8090 Ric!Blanco <br /> Stockton CA 95219 <br /> Element Copper <br /> Unit <br /> m /L <br /> Initial 7Raferenc� andard Known 1.00 <br /> Calibration .Ventur Found 0.95 <br /> erification 15909 % Recove 95.0 <br /> 04 Reagent Blank 4 <0.10 <br /> Continuing Reference standard Known 10.0 <br /> Calibration Source; Inorg.Ventur Found 9.38 <br /> Verification Lot#: W-MEB 15809 % Recove 93.8 <br /> Check Standard Knowe 100 <br /> Source: Env, Express Found 94.5 <br /> % Recove94.5 <br /> Method Blank <1.00 <br /> Matrix Spike& Spike Performed on: Uns ike Sam le Result 78.4 <br /> Matrlx Spike Dup HML#: AN00471 Sika Added 50,0 <br /> Result Matrix, Extract Matrix Spike Result 126 <br /> Matrix Spike Dup. Result 126 <br /> Matrix 5 Ike Recove 98,2 <br /> Matrix S Ike Du Reodve 95.2 <br /> Avera e % Recovery 95.2 <br /> RPD 0.00 <br /> Comments: <=below detection limit of the method. <br /> Gt7iMs'v l/�+21.v./ <br /> P. H. Chemist III Date P, H. Chemist H to <br /> Merlyn de Guzman Fatima Hussain <br /> Jarnail arcna, Supervisor D to <br /> i <br /> B -d Si9E-Obs-OTS [-1WH7 Osla dSS =zT CO 2a 400 <br />