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I 10 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> 24 http//www mccampbell corn. E-mail main@mccampbell corn. <br />' Advanced GeoEnvironmental Client Project ID Den's Auto Date Sampled 09/08-09/11/97 <br /> 1803 West March Lane, Ste A Date Received 09/13/97 <br /> Stockton,CA 95207 Client Contact Bill Little Date Extracted 09/15/97 <br /> [Client P O Date Analyzed 09/15-09/16/97 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,"ith Alethyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 80764 B4-35 S ND ND ND ND ND ND 98 <br />' 80765 B4-55 S 220,) ND<l 4 0 45 ND 2 0 1 6 1 18" <br /> 80766 B4-63 S 920,) ND<5 4 1 4 ND<0 05 8 8 7 8 101 <br />' 80767 B4-70 S 22,1 ND<0 075 0 021 ND 012 016 113" <br /> 80768 B4-85 S ND ND ND ND ND ND 98 <br />' 80769 B4-57 S 350,1 ND<3 0 1 6 ND 3 9 2 6 136" <br /> lie80770 B4-43 S 21,1 ND 0 17 ND 0 19 0 13 102 <br /> 80771 B5-15/14 S 1500,b ND<3 3 ND<0 17 1 2 18 88 98 <br /> 80772 B5-35 S ND ND ND ND ND ND 96 <br /> 80773 B5-50 S ND ND ND ND ND 0 01 1 97 <br /> 80774 B5-55/57 S ND ND ND ND ND ND 100 <br /> 80775 B5-65 S 1 4,b ND ND ND ND 0 008 97 <br /> 80776 B6-35 S 25j ND ND ND ND 0 024 97 <br /> 80777 B6-40 S ND ND ND ND ND ND 92 <br />' 80778 B6-65 S ND ND ND ND ND ND 94 <br /> Reporting Limit unless g <br />' <br /> otherwise stated,ND W 50 u /I 5 0 0 5 05 O S 0 5 <br /> means not detected <br /> above the reporting S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ugbmpe 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 /> l 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 O),t} <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)liquid sample that contains greater than—5 vol %sediment j)no recognizable pattern <br /> DHS Certification No 1644 1_// Edward Hanulton,Lab Director <br />