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Sent By McCampbell Analytical, Inc 1 925 798 4612, Dec-29-00 11 30AM, Page 317 <br /> I <br /> 110 2nd Avenue South,#D7, Pacheco,CA 94553-5560 <br /> I MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Pax 925-798-1622 <br /> hMQJJwww mccarn bell corn E-mail rnain@mecampbell corn <br /> Advanced GeoEnvironme tal Client Date Sampled 12/21/00 <br /> n ent Project]p Flag City Chevron <br /> 4005 North Wilson Way Date Recened 12/22/00 <br /> Stockton, CA 95205 Client Contact Tun Cuellar Date Extracted 1222100 <br /> IClient P O Date Analyzed 12/22/00 I <br /> Gasohne Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methvl tert-Butyl Ether* &BTFX* <br /> FPA methods 5030,modified 8015,and 80200T_602 Caiifomia RIvQC'B(SF Say Rct!ion)method CiC i'TD(5030) <br /> ILab ID Client ID Matrix TPN(g)` MTBE Benzene Toluene Ethylben Xylenes "�"Recovery <br /> zLnc Surrogate <br /> 56713 Elilucnt W ND ND ND ND ND NU 1J0 <br /> I <br /> I <br /> I <br /> I � <br /> I <br /> Reporting T imtt unless W 50 ugJI. 50 05 05 0 5 05 <br /> otherwise stated,ND <br /> means mat detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and%apor sdinples are reported to ug!T,,wipe samples to ug/wipe soil and sludge Samples in mg/kg and all rC LP and SPLP extracts <br /> in agrL <br /> "cluttered chromatogram sample peak coelutes with Surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cun^ory in nature and McCernphell Analytical is nut responsible fur theft <br /> interpretation a) unmodified or weakly condi icd gasoline is significant, b) heavicr gasoline range compounds arc stgntficant(aged <br /> gasoline?), c)lighter gasoline range compounds (the most mobile traction)are significant, d)gasoline range compounds having broad <br /> chromatographic peaks are significant biologically altered gasoline) e)TPFI pattern that does not appear w be dert%cd from gasoline('),1) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are s,gnificant,N Lehrer than water mimiscible <br /> • sheen is present,i)liquid sample that contains greater than--S vol %sediment,])no recognvablC pattcin <br /> DHS Certification No 1644 L Edea and Hamilton Lab Director <br /> I <br />