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110 2nd Avenue South,#1D7,Pacheco,CA 94553-5560 <br /> MICA OBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h Hwww mccam bel!com E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Ripon Farms Date Sampled 01/12/00 <br /> 4005 North Wilson Way Date Received 01/13/00 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 01113-01119100 <br /> Client P O Date Analyzed 01113-01119/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 9015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(&); MTBE Benzene Toluene zone Xylenes Surrogate <br /> 29092 MW 1 W 450,b,( NTD ND ND 24 28 106 <br /> 29093 MW2 W 6900,a ND<10 520 18 310 660 96 <br /> 29094 MW3 W 430,b,h ND ND ND 063 33 110 <br /> 29095 MW4 W 700J ND<10 ND 13 ND 17 115 <br /> 29096 MW5 W NTD ND ND ND ND ND 98 <br /> 29097 V W I A W 9400,b,a,h 27 490 16 840 120 115 <br /> • 29098 V W 1 B W 110,a ND 1 1 054 43 16 101 <br /> 29099 VNV2A W 5000,b,a,h ND<10 51 5 7 320 190 98 <br /> 29100 VW2B W 53,b ND ND ND 16 61 102 <br /> Repornng Limit unless W 50 ug/L 50 05 05 05 05 <br /> othemise stated,NO <br /> means not detected aboN e S <br /> g <br /> the reporting limit 5 l O mg/kg 005 0 005 0 005 0 005 70005 <br /> 1 <br /> "rater 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 follow mg descnptions of the TPH chromatogram are cursory in nature and McCampbeli Analytical is not responsible for their <br /> interpretation a) unmodified or weaMv modified gasoline is significant, b) hea-.ier gasoline range compounds are sigrtificant(aged <br /> Caroline's), c) lighter gasoline range compounds (the most mobile fraction)are significant, d)gasoline range compounds ha%ins broad <br /> chromatographic peaks are significant,biologically altered gasoline',e)TPH pattern that does not appear to be denved from gasoline(1),f) <br /> one to a few isolated peaks present,g)strong!) aged gasoline or diesel range compounds are significant,h)lighter than Nater immiscible <br /> sheen is present,i)liquid sample that contains greater than—5-.of %sediment a)no recognizable pattern <br /> DHS Certification No 1644 _Edward Hamilton, Lab Director <br />