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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL fNC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' 14 htfi//www mccampbell coin E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Ripon Farms Date Sampled 10/04/01 <br /> 837 Shaw Road Date Received 10/09/01 <br /> ' Stockton, CA 95215 Client Contact Bill Little Date Extracted 10109-10111101 <br /> Client P O Date Analyzed 10/09-10/11/01 <br /> 1 Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,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 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 80461 MWI/ W 270,a ND 2 7 067 2 6 3 9 # <br /> 100401 <br /> 80462 100401 W 3800,a ND<10 180 6 2 180 180 102 <br /> 80463 MW3/ W 600,b,1,h ND 067 0 53 ND 088 --# <br /> 100401 <br /> 80464 MW4/ W 290,a ND 1 3 068 ND ND --# <br /> ' 100401 <br /> 80465 MW5/ W ND ND ND ND ND ND 101 <br /> 100401 <br /> 1Reporting 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 limo mg/kg S l O 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 modefied gasoline is significant b) heavier gasoline range compounds are significant(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)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />