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110 Second Avenue South,#FD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hUp://www E-mail matn@mccampbell com <br /> ' Advanced GeoEnvironmental Client Protect ID Chase-Madison Date Sampled 11/03/98 <br /> 4005 North Wilson Way Date Received 11/06/98 <br /> ' Stockton,CA 95205 Client Contact Kevin McKibben Date Extracted 11/07-11/10/98 <br /> —I r <br /> Client P O Date Analyzed 11/07-11/10/98 <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 ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 98243 MW-1/ W Np ND ND 053 ND ND 108 <br /> 11-3-98 �r <br /> ' <br /> MW-2/ <br /> 98244 11-3198 W ND ND ND ND ND ND 105 <br /> � 98245 MW-41 W ND ND ND ND ND ND 89 <br /> /_V- 11-398 <br /> 98246 M- W S3 b ND ND ND ND ND 108 <br /> 3-98 <br /> 11-3-98 <br /> �o 8247 MW3198 W ND ND ND ND ND ND 104 <br /> 98248 MW-19B/ W ND ND ND 078 ND 072 109 <br /> 11-3-98 <br /> 98249 MW -98 <br /> 11-3-98 W ND ND ND ND ND ND 92 <br /> lie 98250 MW-20B/ W ND ND ND ND ND ND 102 <br /> 11-3-98 <br /> ' 98251 MW3298 W 3200,ej,h , ND-10 170 27 160 39 104 <br /> 98252 MW-21 B/ W 2200,c,1 ND 12 12 49 26 97 <br /> 11-3-98 <br /> t <br /> ' Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit mg/kg S 1 0 m /k 005 0 005 0 005 0 005 0 005 <br /> ' <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 /> ' a 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 /> gasohne9), 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 <br /> (Stoddard Solvent9),0 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,i)liquid sample that contains greater than—5 vol %sediment,,/)no recognizable pattern <br /> 1 <br /> DHS Certification No 1644 //�� Edward Hamilton,Lab Director <br />