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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 /> hM,//www ec 11 co E-mail main@mccampbell com <br /> Advanced GeoEnvirontnental Client Project ID Curtiss Pontiac Date Sampled 07/17/2000 <br /> 4005 North Wilson Way Date Received 07/18/2000 <br />' Stockton, CA 95205 Client Contact Bill Little Date Extracted 07/18-07/25/2000 <br /> Client P O Date Analyzed 07/20-07/25/2000 <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 /> I Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 43171 MW1A/7-17-00 W ND 100 <br />' 43172 MW1B/7-17-00 W 66,d/b 94 <br /> 43173 MW2A/7-17-00 W ND 100 <br />' 43174 MW213n-17-00 W ND lot <br />' 43175 MW3/7-17-00 W ND 100 <br /> 43176 MW4/7-17-00 W 310,d 115 <br />'• 43177 MW7/7-17-00 W 290,d,b 100 <br /> 1 <br />' <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 (I) 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 />