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10 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell corn <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Bros Date Sampled 07/31/00 <br /> 4005 North Wilson Way Date Received 08/01/00 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 08101-08/03/00 <br /> ' Client P O Date Analyzed 08/01-08/03/00 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,wnth Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,Califomia RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Ethylben- %Recovery <br /> Lab ID Client 1D Matrix TPH(g)+ MTBE Benzene Toluene zene Xylenes Surrogate <br /> g <br /> 44138 MW007-31- W 4600,a ND<30 860 24 38 130 97 <br /> ' 44139 MW2007 -31- W ND ND ND ND ND ND 97 <br /> 44140 MW3007 -3l W 8200,a ND<10 48 14 340 250 98 <br /> ' 44I41 MW 07-31- <br /> 00 W 3900,a ND<10 720 130 88 44 <br /> 0 0 97 <br /> 44142 MW50/007-31- W 600,1 ND ND ND 10 ND 93 <br /> 44143 MW60/07-31- W ND ND ND ND ND ND 101 <br /> 44144 <br /> VE-t/07-31- W 2100,a ND 160 10 140 220 98 <br /> 44145 VE-6007-31- W 4600,0 ND<10 1200 33 580 260 105 <br /> i <br /> ' Reporting Limit unless W 50 u <br /> otherwise stated,ND g� 5 0 0 5 0 5 0 5 O S <br /> ' means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug(L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> ' "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> *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 significant(aged <br /> gasoline9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d)gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9,e)TPH pattern that does not appear to be derived from gasoline(7),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,1)liquid sample that contains greater than—5 vol %sediment,3)no recognizable pattern <br /> DHS Certification No 1644 av <br /> Edward Hamilton,Lab Director <br /> i <br />