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I 10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC. Telephone : 925-798-1620 Fax: 925-798-1622 <br /> http://w�vw.mcca=bell.com E-mail: main@mccampbell.com <br /> J <br />' Advanced GeoEnvironmental Client Project ID: J'imco Truck Plaza Date Sampled: 08/19-08120/99 <br />' 4005 North Wilson Way Date Received: 08/25/99 <br /> Stockton, CA 95205 Client Contact: Hill Little Date Extracted: 08/25/99 <br />' Client P.O: Date Analyzed: 08/26-09/01199 <br /> Diesel Range (C10-C23)Extractable Hydrocarbons as Diesel* �1 <br /> EPA methods modified 8015,and 3550 or 3510;California RWQCB(SF Bay Region)method GCFID(3550)or GCF1D(3510) <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate ! <br />' 17920 MWI-15 S 1.5,b 102 <br /> 17921 M W 1-25 S 3000.a 100 <br />' 17922 MW1-30 S 4.9,a 99 <br /> 17923 MW2-15 S 5.7,a 107 <br />' 17924 MW2-25 S ND 99 <br /> 17925 MW2-30 S ND 101 <br /> 17926 MW3-15 S ND !03 <br /> 17927 MW3-25 S ND 107 <br />' 17928 MW4-15 S ND 113 <br /> 17929 MW4-25 S ND 105 <br /> 17930 MWS-20 S ND 105 <br />' 17931 MW5-25 S ND 100 <br /> i <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/S"FLC/SPLP <br /> extracts in ug/L <br /> `cluttered chromatogram resulting in coeluted sunroeate and sample peaks,or;surToGale peak is on elevated baseline,or;suiTogale has been <br /> diminished by dilution of original extract. <br /> 'The following descriptions of the TPH chromatograrn are cursory in nature and McCanrpbell Analytical is not responsible for their <br /> inteiliretation: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 paticni that does not match diesel (?); 0 <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 /> rr I <br /> DHS Certification No. 1644 �.�1 Edward Hamilton, Lab Director <br />