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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> I 7eCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail mainQmccampbell com <br /> Advanced GeoEnvirotunental Client Project ID Flag City Chevron Date Sampled 09/06/01 <br /> 837 Shaw Road Date Received 09/07/01 <br /> IStockton, CA 95215 Client Contact Tum Cuellar Date Extracted 09/07-09/I0/01 <br /> Client P Q Date Analyzed 09/07-09/10/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Say Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 77236 Influent W ND 10 ND ND ND ND 107 <br /> 77237 Effluent W ND ND ND ND ND ND 104 <br /> 77238 <br /> RDW-11 09-06-01 W ND ND ND ND ND ND 107 <br /> 77239 DW 11 <br /> 09-06-01 W ND ND ND ND ND ND 107 <br /> 77240 CSA-1/ W ND ND ND ND ND ND 107 <br />' 09-06-01 <br /> 77241 CSA-2/09-06-01 W ND ND ND ND ND ND 108 <br /> 77242 EW-2/ W ND ND ND ND ND ND 107 <br /> ie 09-06-01 <br /> 77243 EW-3/09-06-01 W ND ND I ND ND ND ND 107 <br /> 77244 EW-4/ W ND 19 ND ND ND ND 106 <br /> 09-06-01 <br /> 77245 EW-5/ <br /> 09-06-01 W ND 48 ND ND ND ND 108 <br /> 77246 EW-6/ W ND 18 ND ND ND ND 101 <br /> 09-06-01 <br /> 77247 EW-7/ W ND ND ND ND ND ND 103 <br /> 09-06-01 <br /> 77248 EW-8/ <br /> 09-06-01 W ND ND ND ND ND ND 105 <br /> 77249 EW-9/ W ND 7 5 ND ND ND ND 104 <br /> 09-06-01 <br /> 77250 EW-10/ W ND ND ND ND ND ND 103 <br /> 09-06-01 <br /> Reporting Limit unless W 50 ug/L 5 0 05 0 5 05 05 <br /> I otherwise stated,ND <br /> means not detected above S 1 0 m 0 05 0 005 0 005 0 005 0 005 <br /> the reporting hmit mg/kg <br />' *water and vapor samples are reported in ug/1.,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> in ug(L <br /> a cluttered chromatogram,sample peak coelutes with surrogate peak <br /> lie +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are sigmficant(aged <br /> gasoline'?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline),e)TPH pattern that does not appear to be derived from gasoline(9),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i)hgwd sample that contains greater than�5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />