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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL- ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell coin E-mail main@mccampbell com <br /> IAdvanced GeoEnvironmental Client Project ID Yamada Bros Date Sampled 03/20/2001 <br /> 837 Shaw Road Date Received 03/21/2001 <br /> Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 03/21/2001 <br /> Client P O Date Analyzed 03/22/2001 <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 /> 63510 DW-I/03-20-01 W ND 105 <br /> 63511 MW 1/03-20-01 W ND 104 <br /> 63512 MW2/03-20-01 W ND 104 <br /> 63513 MW3/03-20-01 W ND 105 <br /> 1 <br /> 1 <br /> I <br /> 1 � <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 1 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 (9), f) <br /> one to a few isolated peaks present, g)oil range compounds are significant, h) lighter than water immiscible sheen is present, 1) liquid <br />' sample that contains greater than�5 vol %sediment <br /> DHS Certification No 1644Edward Hamilton,Lab Director <br />