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' 110 2nd Avenue SouthD - <br /> # 7,Pacheco,CA 94553 5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell corn E-mail matn@mccampbell corn <br />' Advanced GeoEnvironmental Client Project M Flag City Chevron <br /> Date Sampled 03/0$/01 <br /> 837 Shaw Road Date Received 03/09/01 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 03/09/01 <br /> Client P O Date Analyzed 03/12/01 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239-7+ <br /> Lab ID CIient ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> I62025 Effluent W TTLC ND N/A <br /> lie <br /> S TTLC 3 0 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 0 2 mg/L <br /> I *soil and sludge samples are reported in mg/kg,wipe samples in ug/wipe,and water samples and all STLC 1 SPLP/TCLP extracts in mg/L <br /> `Lead is analysed using EPA method 6010 (ICP)for soils, sludges, STLC &c 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 STLC regulatory hrruts <br /> °EPA extraction methods 1311(TCLP),3010/3020(water,TTLC) 3040(organic matnces,TTLC),3050(solids,TTLC),STLC-CA Tale 22 <br /> I °surrogate diluted out of range,N/A means surrogate not applicable to this analysis <br /> reporting limit raised due matnx interference <br /> liquid sample that contains greater ttian –2 vol % sediment, this sediment is extracted with the liquid, in accordance with EPA <br /> methodologies and can stgniflcantly effect reported metal concentrarions <br /> DHS Certification No 1644 Edward Hanulton, Lab Director <br />