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I110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> Ihn//www mccampbell co m E-mail main@mccampbell com <br /> i <br /> IAdvanced GeoEnvtronmental Client Project ID Manteca City Yard Date Sampled 04/13/01 <br /> 837 Shaw Road Date Received 04/20/01 <br /> IStockton, CA 95215 Client Contact Brian Millman Date Extracted 04/20/01 <br /> Client P O Date Analyzed 04/20-04/23/01 <br /> IDiesel 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 /> I Lab 1D Client ID Matnx TPH(d)+ %Recovery <br /> Surrogate <br /> 65900 MW1/041301 W 53,b 114 <br /> I65901 MW2/041301 W ND 80 <br /> 65902 MW3/041301 W ND 118 <br /> I65903 MW4/041301 W ND 120 <br /> I <br /> i • , <br /> I <br /> I <br /> I <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br /> Ithe reporting limit S 1 0 mg/kg <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,sot]and sludge samples in mg/kg,and all TCLP I STLC I SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in cocluted 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)diehel 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 (% t) <br /> one to a tew 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 /> IDHS Certification No 1644 Edward Hanulton,Lab Director <br /> I <br />