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1 <br /> 110 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> �1 h //www mccarripbell com E-mail matn@a mccampbell cote <br /> ' Advanced GeoEnvironmental Client Project ID Rainwater Car Wash Date Sampled 01/21/02 <br /> 837 Shaw Road Date Received 01/22/02 <br /> ' Stockton,CA 95215 Client Contact Tim Cuellar Date Extracted 01/22/02 <br /> Client P O Date Analyzed 01/22/01 <br /> ' Lead* <br /> EPA analytical methods 6010/200 7,239 2+ <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 88615 Influent W TTLC ND N/A <br /> 1 88616 Effluent W TTLC ND NIA <br /> li <br /> 1 <br /> i <br /> 1 <br /> TTLC 3 0 mg/kg r <br /> Reporting Limit unless otherwise S <br /> stated,ND means not detected above W TTLC 0 005 mg/L <br /> the reporting]unit <br /> 1 -- YSTLC,TCLP ._. -� 0 2 mg/L <br /> *soil and sludge samples are reported in mg/kg,wipe samples to ag/wipe,and water samples and all STLC/SPLP/TCLP extracts in mg/L y <br /> 'Lead is analysed using EPA method 6010 (ICP)for soils, sludges, STLC &TCLP extracts and method 239 2 (AA Furnace) for water <br /> samples <br /> 9 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 STLC regulatory limits <br /> EPA extraction methods 1311(TCLP),301013020(water,TTLC),3040(organic matnces,TTLC),3050(solids,TTLC),STLC-CA Title 22 <br /> #surrogate diluted out of range,N/A means surrogate not applicable to this analysis <br /> &reporting limit raised due to matrix interference <br /> i) liquid sample that contains greater than —2 vol % sediment, this sedimeiit is extracted with the liquid, in accordance with EPA <br /> methodologies and can significantly effect reported metal concentrations IL <br /> r if DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />