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1 10 Second Avenue South,#D7, Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax : 925-798-1622 <br /> httl2://NwiN-w.mecampbell.com E-mail: main@mccatnpbcll.com <br /> Advanced GeoEnvironmental Client Project ID: 40109; Geweke Ford Date Sampled: 06/09/98 <br /> I 4005 North Wilson Way Date Received: 06/11/98 <br /> Stockton, CA 95205 Client Contact: Kevin N4cKibben Date Extracted: 06112-06115198 <br />' Client P.O: Date Analyzed: 06112-06115198 <br /> Gasoline Range (C6-C12) Volatile Hydrocarbons as Gasoline*,with Metbyl tert-Butyl Ether* &BTEX* <br />' FPA methods 5030,modified 8035,and 8020 or 602;California RWQCa3(SF Bay Region)method CCFID(5030) <br /> Ethylhen- <br /> Lab ID Client ID Matrix TPH(g)+ N4TBF- Benzene Toluene Ione Xylenes %Recovery <br /> Surrogate <br /> 90349 MW-6/6-9-98 W ND ND ND 1.7 ND 2.7 91 <br />' 90350 MW-716-9-98 W ND ND ND 1.8 NO 1.9 96 <br />' 90351 MW-816-9-98 W 270,h,c ND 0.66 0.61 6.3 21 97 <br /> 90352 MW-916-9-98 W ND ND 0.72 1.8 1.8 3.0 100 <br />' 90353 MW-1116-9-98 W ND ND 0.66 1.5 ND 0.68 96 <br /> 90354 MW-1216-9-98 W ND ND 0.55 2.1 ND 1.5 98 <br /> 90355 MW-14/6-9-98 W 100,a ND 6.5 6.4 1.4 14 92 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND means <br />' not detected above the S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> reporting limit <br /> " water and vapor samples are reported in ug/L,wipe samples in Ll,/Wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts in <br /> 1 ug/L <br /> cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and f JcCannpbell Analytical is not responsible for their <br />' interpretation: a) Unmodified or weakly modified gasoline is significant;b)heavier gasoline range compounds al-e sign ifscant(aged gasoline?); <br /> c) lighter gasoline range compounds (the most mobile fraction)arc significant;d)gasoline range compounds having broad chromatographic <br /> peaks are significant;biologically altered gasoline?;e)TPH pattem That does not appear to be derived from gasoline(?);f)one to a few'isolated <br /> peaks present;g)strongly aged gasoline or diesel range compounds arc significant;h)lighter than water immiscible sheen is present; i)liquid <br /> sample chat contains greater than--5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 _��Edward Hamilton, Lab Director <br />