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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 /> h //www mccam bel]corn E-mail main@mccampbell com <br /> f Advanced GeoEnvironmental Client Project ID Rainwater Car Wash Date Sampled 01/23/02 <br /> ' 837 Shaw Road Date Received 01/24/02 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 01/24/02 <br /> Client P O Date Analyzed 01/25/02 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2' <br /> Lab ID Client ID Matrix Extraction a Lead* %Recovery <br /> Surrogate <br /> 88845 Influent W TTLC ND N/A <br /> ' 88846 Effluent W TTLC ND N/A <br /> 10 <br /> S -TTLC 3 O mg/kg <br /> Reporting Limit unless otherwise <br /> ' stated,ND means not detected above W TTLC 0 005 mg/L <br /> the reporting limit <br /> STLC,TCLP D 2 mg/L <br /> 'soil and sludge samples are reported in mg/kg,wipe samples in ug/wipe,and water samples and all STLC/SPLP 1 TCLP extracts in rng/L <br /> ' 'Lead is analysed using EPA method 6010 (ICP)for soils, sludges,STLC 8c TCLP extracts and method 239 2 (AA Furnace) for water <br /> samples <br /> ® DISTLC extractions are performed using STLC methodology except that deionized water is substituted for citric acid buffer as the <br /> extraction fluid DISTLC results are not applicable to STUC regulatory limits <br /> °EPA extraction methods 1311(TCLP),3010/3020(water,TTLC),3040(organic matnces,`ITI-Q,3050(solids,TTLC),STLC-CA Title 22 <br /> "surrogate diluted out of range,N/A means surrogate not applicable to this analysis <br /> 0 &ieportmg limit raised due to matnx interference <br /> r) liquid sample that contains greater than --2 vol % sediment, this sediment ss extracted with the liquid, in accordance with EPA <br /> methodologies and can significantly effLct reported metal concentrations <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> L _ — -- -- <br />