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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 /> p//www mccamp bellcom E-mail maul@mccampbell com <br /> Advanced GeoEnvnronmental Client Project ID Top Filling Date Sampled 09/24-09125/01 <br /> 837 Shaw Road Date Received 10/02/01 <br /> IStockton, CA 95215 Client Contact Tim Cuellar Date Extracted 10/03/01 <br /> Client P O Date Analyzed 10/03-10/04/01 <br /> IGasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-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 /> 80026 MW6-37 S 6 2,a 0 82 024 0 82 0 It 0 65 108 <br /> 80027 MW6-40-45' S 1200,a ND-10 14 90 27 140 ---" <br /> 80028 MW6-50-55' S 62,a ND<O 20 to 4 0 14 7 4 113 <br /> 80029 MW6-65-70' S 1 3,a ND 0 070 020 0 020 0 11 104 <br /> 80030 MW6-70-75 S 3 2,a ND 0 14 056 0 079 040 107 <br /> 80031 MW6-92' S ND ND ND ND ND ND 103 <br />�. 80032 MW6-107 S ND ND ND ND ND ND 102 <br /> 80033 MW6-115' S ND ND ND ND ND ND 102 <br /> 80034 MW6-135 S ND ND ND ND ND ND 103 <br /> 80035 MW7-75-80 S ND ND ND ND ND ND 104 <br />' 80036 MW7-85-90 S ND ND ND ND ND ND 112 <br /> 80037 MW7-95 S ND ND ND ND ND ND 103 <br /> 100 <br />' 80038 MW70-5100 D S ND NND ND ND ND 102 <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above' <br /> the reporting limitS 1 0 mg/kg 0 OS 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 SPLA 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 wealcly modified 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 gasohne9,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 WL--Edward Hamilton,Lab Dlrectoz <br />