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I110 2nd Avenue South,#tD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hap,//wwwmcgmpell com E-mail main@mccampbell com <br /> s <br /> IAdvanced GeoEnvironmental Client Project ID Curtiss Pontiac Date Sampled 12/07/99 <br /> 4005 North Wilson Way Date Received 12/08/99 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 12/08/99 <br /> Client P 0 Date Analyzed 12108-12112199 <br /> IDiesel Range(C10-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFII)(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 26930 M W 1 A W ND 96 <br /> 26931 MW I B W 84,d 97 <br /> 26932 MW2A W ND 94 <br /> I26933 MW213 W ND 95 <br /> 26934 MW3 W ND 101 <br /> 26935 MW4 W 500,d,b 102 <br /> 26936 MW5 W ND 97 <br /> 26937 MW6 W ND 101 <br /> I26938 MW7 W 2800,d,b 103 <br /> I <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br />' the reporting limit S 1 0 mg/kg <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/STL.0 I SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of original extract <br /> I '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 diesel is significant,b)diesel range compounds are significant,no recognizable pattern,c) <br /> aged diesels is significant),d)gasoline range compounds are significant,e)medium boiling point pattern that does not match diesel (9), f) <br /> one to a few isolated peaks present, g)oil range compounds are significant, h)lighter than water immiscible sheen is present, i) liquid <br /> sample that contains greater than—5 vol %sediment <br /> DHS Certification No 1644 �"�Edward Hamilton,Lab Director <br />