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110 2nd Avenue South ##D7 Pacheco CA 9455 3-5560 <br /> LAWCarnpbell Analytical hicTelephone 925-798-1620 .Fax 925-798-1622 <br /> ht //www mcca bell com ]-mail mam Campbell cum a <br /> • Advanced GeoEnvironmental, Inc Client Project ID Flag City Chevron Date Sampled I2/05/02 <br /> I837 Shaw Road Date Received 12/06/02 <br /> Client Contact Tim Cuellar Date Extracted 12/06/02 <br /> Stockton,CA 95215 <br />' Client P O Date Analyzed 12/09/02 <br /> Lead by Graphite Furnace Atomic Absorption* <br />' traction method E200 9 i Analytical methods E200 9 Work Order 0212093 <br /> Lab ID Client 11) Matrix Extraction Lead DF %S8 <br /> 0212093-013D Influent W TTLC ND 1 NIA <br /> 0212093-014D Effluent w TTLC ND 1 NIA <br /> I <br /> I <br /> I <br /> Reporting Limit for DF=1, W TTLC 0 005 mg/L <br /> ND means not detected at or <br /> above the reporting limit S TTLC NA mg/kg <br /> *water samples are reported in mg/L,soil/sludge/solid/product samples in mg/kg wipes inµg/wipe and all TCLP I STLC/DISTLC I SPLP extracts to <br /> mg/L <br /> ND means not detected above the reporting limit,NIA means not applicable to this sample or instrument <br /> Analytical Methods EPA 6010C/200 7 for all elements except 200 9(water-Sb,As,Pb,Se,T]),245 1 (Hg),7010(sludge/soil/solid/uiVproductlwipes- <br /> As,Se T]) 7471B(Hg) <br /> DISTLC extractions are performed using STLC methodology except that dcionized water is substituted for citric acid buffer as the extraction fluid <br /> DISTLC results are not applicable to STLC regulatory limits <br /> i)liquid sample that contains greater than—2 vol %sediment,this sediment is extracted with the liquid,in accordance with EPA methodologies and can <br /> . significantly effect reported metal concentrations,z)reporting limit raised due to matrix interference <br /> JIV <br /> I DHS Certification No 1644 Edward Hamilton, Lab Director <br /> r <br />