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110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> MCCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br />' Advanced GeoEnvironmental, Inc. Client Project ID:Geweke Date Sampled:09/17/96 <br /> 1803 West March Lane, Suite A Date Received:09/19/96 <br />' Stockton, CA 95207 Client Contact:Kevin McKibben Date Extracted:09/21-09/25/96 <br /> Client P.O: Date Analyzed:09/21-09/25/96 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,Frith Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602-California RW CS SF Bav Re ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH{g)} BE Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene Surrogate <br /> 69206 MW-6 W ND --- ND 11 ND ND ND 104 <br />' 69207 MW-7 W 150,d/j --- ND ND ND 0.55 89 <br /> 69208 MW-8 W 880,a --- 7.3 2.1 31 37 104 <br /> 69209 MW-9 W 12,000,a --- 120 31 690 770 104 <br /> 69210 MW-10 W ND --- ND ND ND ND 104. <br /> 69211 MW-11 W ND --- ND ND ND ND 104 <br /> 69212 MW-12 W ND --- ND ND ND ND 105 <br /> 69213 MW-13 W ND --- ND ND ND ND 96 <br /> 69214 MW-14 W 1500,a --- 29 13 8.3 120 92 <br /> 692I5 EW-1 W ND --- ND ND ND 0.72 107 <br />' I <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherNvise stated;ND <br /> meads not detected <br /> above the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> * <br /> water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/L <br /> cluttered chromatogram; sample peak coelutes Nvith surrogate peak <br /> The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation:a) unmodified or weakly modified gasoline is significant;b) heavier gasoline <br /> range compounds are significant(aged gasoline?),c) liglitergasoline range compounds(the most mobile faction) <br /> are significant; d) �asoline range compounds having broatrchromatographis peaks are significant; biologically <br /> altered gasoline?' e) TPH pattern that does not appear to be derived From gasoline (?);f) one to a few isolated <br /> peaks present;g)strongiyaged gasoline or diesel rangge compounds are significant;h)lighter than Nater immiscible <br /> sheen is present; i) liquid sample that contains greafer than 5 vol. % sediment;j) no recognt�ble pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />