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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 14 h //www mccam bell corn E-mail matn@mccampbell corn <br /> Advanced GeoEnvironmental Client Project M Chet's Auto Date Sampled 10/23-24/01 <br /> i ' 837 Shaw Road Date Received 10/25/01 <br /> Stockton, CA 95215 Client Contact Bill Little Date Extracted 10129-10131101 <br /> ' Client P O Date Analyzed 10/29-11/01/01 <br /> ' Gasoline Range(C6-02)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5430,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 Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 82011 B1-H20 40 W 33,000,b ND<20 ND<5 0 1200 1100 7200 98 <br /> 82012 B1-H2O 65 W 560,b0 ND ND 11 13 76 100 <br /> ' 82013 B2-H20 W 76,b,i ND ND 4 2 2 2 11 102 <br /> ' 820I4 B3-H2O W 72,a,t ND 055 0 87 ND 084 114 <br /> 82015 B4-H2O W ND ND 065 ND ND ND 114 <br /> I <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 0.) 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 0 QS 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 /> ' <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 signiftcant(aged <br /> gasohncr% c) lighter gasoline range compounds (the most mobile fracnon) 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(w),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)liquid sample that contains greater than--5 vol %sediment j)no recognizable pattern <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br />