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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 /> / E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Strong Properties Date Sampled: 09/22/99 <br /> 4005 Notch Wilson Way Date Received: 09/23/99 <br /> IStockton,CA 95205 Client Contact: Tim Cuellar Date Extracted: 09/23/99 <br /> Client P.O: Date Analyzed: 09/26/99 <br /> I 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 /> 19837 MW1 W ND 98 <br /> 19838 MW2 W f� ' 68,d 100 <br /> 19839 MW3 W ND 97 <br />' 19840 MW4 W ND 98 <br /> I <br /> I� <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/STLC/SPLP <br /> extracts in ug"' <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 TPl-1 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 ran a co ounds are si ifica e)medium boiling point pattern that does not match diesel (?); f) <br /> one to a few isolated peaks pres ; g oil range compounds aresignificant; 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 /> I <br />