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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 /> httl_//www mccampbell com E-mail main®mccampbell cam <br /> • <br /> ' Advanced GeoEnvironmental CIient Project ID Ripon Farm Services Date Sampled 04/11/01 <br /> 837 Shaw Road Date Received 04/11/01 <br /> ' Stockton, CA 95215 Chent Contact Bili Little Date Extracted 04/11-04/12/01 <br /> ' Client P O Date Analyzed 04/11-04/12101 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl 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 Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 65265 MWl W ND ND ND ND ND ND 108 <br /> 1 <br /> 041001 <br /> 65266 MW2/ W 1900,a,h ND<10 120 3 0 95 96 112 <br /> 041001 <br /> 65267 MW3/ W 320,b ND ND ND ND 079 104 <br /> ' 041001 <br /> 65268 MW4/ W 160,a ND ND ND ND ND 113 <br /> 041001 <br /> 65269 MW5/ W ND ND ND ND ND ND 109 <br /> ' 041001 <br /> li <br /> 1 <br /> 1 <br /> 1 <br /> ' Reporting Limit unless W 50 ug/L 50 0 5 0 5 0 5 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> 1 <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 gasolme7,e)TPH pattern that does not appear to be derived from gasoline(9),0 <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,,/)no recognizable pattern <br /> 1 <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />