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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' h //www mccam bell corn E-mail matn@mccampbell corn <br /> ' Advanced GeoEnvironmental Client Project ID Chase Chevrolet/Madison Date Sampled 02/28/01 <br /> 837 Shaw Road Date Received 03/41/01 <br /> Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 03101-03106/01 <br /> Client P O Date Analyzed 03101-03/06101 <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 RW CS SF Bay Re ton method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 61 114 MW/02-28 W ND ND ND ND 057 054 97 <br /> ' 61115 MW2//012-28 W ND ND ND ND ND ND 100 <br /> 61116 MW/ 2-28 W ND ND ND ND ND ND 100 <br /> 01 <br /> ' 61117 MW13/02- W ND ND ND ND ND ND 97 <br /> 28-01 <br /> ' 61118 MW19A/02- W ND ND ND ND ND ND 97 <br /> 28-01 <br /> 61119 MW19B/02- W ND ND ND ND ND ND 97 <br /> 28-01 <br /> 61120 MW20A/02- W ND ND ND ND ND ND 107 <br /> 28-01 <br /> 61121 MW20B/02- W ND ND ND ND ND ND 100 <br /> 28-01 <br /> ' 61122 M 2810 02- W 2200,e/a,h ND 180 2 2 130 8 3 --# <br /> 61123 MW218/02- W 650,e ND ND ND 058 ND 109 <br /> 28-01 <br /> ' Reporting Limit unless <br /> W 50 ug/L 50 OS OS OS OS <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 /> •water and vapor samples are reported in ug/L,wipe samples in ug/wipe,sod and sludge samples in mg/kg and all TCLP and SPL?extracts <br /> ' <br /> in ug/L <br /> w 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 <br /> (stoddard solvent?) fl one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant, h)lighter <br /> ' than water immiscible sheen is present t)liquid sample that contains greater than—5 vol %sediment, no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />