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I - 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> bgp//Vr*yW.mccwnphell.com E-mail mam@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Chase Chevorlet-Van Date Sampled 04/20-04/21/99 <br /> 4005 North Wilson Way Buren Date Received 04/23/99 <br />' Stockton,CA 95205 Client Contact Kevin McKibben Date Extracted 04/23/99 <br /> Client P O Date Analyzed 04/24-04129/99 <br />' 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 I TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery zene Surrogate <br /> 09756 SW4/4- W 4300,a,i ND<10 260 26 180 830 100 <br /> 21-99 <br /> 09757 SW11/4- W 150,000,a,h,l ND<900 5000 27,000 4700 25,000 102 <br /> 21-99 <br /> 09758 SW2-30 S 1 l,a ND 0 047 0 012 0 062 0 051 106 <br /> 09759 SW4-30 S 1 4,a ND 0 061 ND 0 042 026 105 <br /> 09760 SW 11-25 S IO,a NiD 066 1 6 027 1 5 103 <br /> 09761 SW15-25 S 14,a ND 071 018 048 33 103 <br /> 09762 SW15-30 S 19,a ND 027 021 027 21 107 <br /> lie <br /> I <br />' Reporting Limit unless <br /> otherwise stated,ND W 50 ug/L 50 05 05 05 05 <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 uglL,wipe samples m 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 arc sign ificant(aged <br /> g2soline9), 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 \ C 1`l Edward Hamilton,Lab Director <br />