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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> him//www m5j bell com E-mail main@mccampbell com <br /> • <br /> Advanced GeoEnvtronmental Client Project 1D Three B's Date Sampled 03/09/01 <br /> 837 Shaw Road Date Received 03/13/01 <br />' Stockton,CA 95215 Client Contact Tim Cuellar Date Extracted 03/13/01 <br /> Client P O Date Analyzed 03/13-03115/01 <br /> Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br />' Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 62517 MW1/030901 W 380,a,d 104 <br />' 62518 MW2/030901 W 200,b,d 105 <br /> 62519 MW3/030901 W 1500,d 97 <br />' 62520 MW4/030901 W ND 105 <br /> 62521 MW5/030901 W ND 104 <br /> L62522 MW6/030901 W 610,d,g 95 <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/STLC/SPLP <br /> extracts in ug/L <br /> N 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 /> -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 diesel?is significant),d)gasoline range compounds are significant,e)medium boiling point pattern that does not match diesel(?), 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 />