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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwmccampbellcom E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Cherokee Truck Stop Date Sampled 03/20/00 <br /> 4005 North Wilson Way Date Received 03/23/00 <br /> Stockton, CA 95205 CIient Contact Kevin McKibben Date Extracted 03/23/00 <br /> Client P O Date Analyzed 03/24/00 <br />' Diesel Range(CIO-C23)Extractable Hydrocarbons as Diesel <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCF1D(3550)or GCF1D(3510) <br /> Lab ID Client 1D Matrix TPH(d)` %Recovery <br /> Surrogate <br /> 33733 USTI/3-20-00 W 440,c 108 <br /> 33734 UST2/3-20-00 W ND 112 <br /> 33735 UST3/3-20-00 W ND 104 <br /> 33736 UST4/3-20-00 W 55,b 109 <br /> 33737 UST5/3-20-00 W 65,b 111 <br /> 33738 UST6/3-20-00 W ND 85 <br /> W <br /> Small Sinaell <br /> 33739 /3-20-00 <br /> W6 W ND 115 <br /> 33740 Large Well W 150,b 113 <br /> /3-20-00 <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,N ipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP/STLC/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 /> '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 diesel7 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 Nater 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 /> t <br />