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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hnp://w .mggmpbell.com E-mail:main@mccampbell.com <br /> TERRASEARCH,Inc. Client Project ID:#8062-GWTP;River Date Sampled:07/26/01 <br /> 257 Wright Brothers Ave. Walk Date Received: 07/27/01 <br /> Livermore,CA 94550 Client Contact:Rob Campbell Date Extracted: 07/27/01 <br /> Client P.O: Date Analyzed:07/27-07/30/01 <br /> CAM/CCR 17 Metals* <br /> EPA methods 6010/200.7;7470/7471/245.1245.5(Hg);7060/206.2(As);7740/270.2(Se);7841/279.2(Il);239.2(Pb,w);204.2(Sb,w) <br /> Lab ID 73498 73499 73500 73501 <br /> Reporting Limit <br /> Client ID P-1 P-2 P4 SJR-1 <br /> Matrix W W W W S w <br /> STLC, <br /> Extraction' TTLC TTLC TTLC TTLC TTLC TTLC TCLP <br /> Compound Concentration* mg/kg mg/L mg/L <br /> Antimony(Sb) ND ND ND ND 2.5 0.006 0.05 <br /> Arsenic(As) 0.0069 0.018 0.078 ND 2.5 0.005 0.25 <br /> Barium(Ba) 0.074 0.29 3.5 0.12 2.5 0.05 0.05 <br /> Beryllium(Be) ND ND 0.013 ND 0.5 0.004 0.01 <br /> Cadmium(Cd) ND ND ND ND 0.5 0.005 0.01 <br /> Chromium(Cr) ND ND 0.28 ND os 0.02 0.05 <br /> Cobalt(Co) ND ND 0.22 ND 2.0 0.05 0.05 <br /> Copper(Cu) ND ND 0.49 ND 2.0 0.05 0.05 <br /> Lead(Pb) ND 0.0064 0.075 NDL2.5 <br /> 0.005 0.2 <br /> Mercury(Hg) ND ND ND ND 0.0008 0.005 <br /> Molybdenum(Mo) ND ND ND ND 0.05 0.05 <br /> Nickel(Ni) ND ND 0.42 ND 0.05 0.05 <br /> Selenium(Sc) ND ND ND ND0.005 0.25 <br /> Silver(Ag) ND ND ND ND 0.01 0.05 <br /> Thallium(19) ND ND 0.0051 ND0.005 0.5 <br /> vanadium(l) ND 0.15 1.1 ND 0.05 0.05 <br /> Zinc(Zn) ND 0.11 1.7 ND 0.05 0.05 <br /> %Recovery Surrogate 91 106 93 109 <br /> Comments <br /> *wafer samples are reported in mg/L,soil and sludge samples in mg/kg,wipes in ug/wipe and all TCLP/STLC/SPLP extracts in mg/L <br /> ND means not detected above the reporting limit;N/A means surrogate not applicable to this analysis <br /> °EPA extraction methods 1311(TCLP),3010/3020(water,TTLC),3040(organic matices,TTLC),3050(solids,TTLC);STLC-CA Title 22 <br /> ® DISTLC extractions we performed using STLC methodology except that deimized water is substituted for citric acid buffer as the <br /> extraction fluid.DISTLC results are not applicable to STLC regulatory limits. <br /> "surrogate diluted out of range <br /> °reporting limit raised due to matrix interference <br /> i) liquid sample that contains greater than -2 vol. % sediment; this sediment is extracted with the liquid, in accordance with EPA <br /> methodologies and can significantly effect reported metal concentrations. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />