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1 925 <br />02/07/2002 14:59 2094671 <br />Sent By: McCampbell Analytical, Inc.; <br />AGE STOCKTON <br />798 4,312; Feb-6-02 12:41PM; <br />PAGE 07 <br />Page 4/14 <br />McCAMPBELL ANALYTICAL INC. <br />110 2nd Avenue South, #D7, Pacheco. CA 94553-5560 <br />Telephone: 925-798-1620 Fax: 925-798-1622 <br />to:Pwwwmiceampbell.corn E-mail: maingorneeampbell.corn <br />Advanced GeoEnvironrnental <br />837 Shaw Road <br />Stockton, CA 95215 <br />Client Project <br />, <br />ID: Conlon Motors Date Sampled: 01/24102 <br />Date Received: 01/29/02 <br />Client Contact: Sill Li tie Date Extracted: 01/30-02/04/02 <br />Client P.0! Date Analyzed: 01/30-02/04/02 <br />Diesel Range (C10-C23) <br />EPA methods modified 8015, and 3550 or 3510; California RWQC13 <br />Extract able Hydrocarbons as Diesel * <br />(SF Bay Region) method OCF1D(3550) or CrCFID(35 10) <br />Lab 11) Client ID Matrix TPH(d) % Recovery' Surrogate <br />89163 MW1/012402 W ND 101 <br />89164 MW2/012402 W ND 104 <br />89165 M W3/012402 W ND 103 <br />89166 MW4/012402 W ND 89 <br />89167 mW5/01 2402 W 95,d 90 <br />89168 MW6/012402 W ND 102 <br />89169 MW7/012402 W ND 102 <br />Reporting Limit unless otherwise <br />stated; ND means not detected above <br />the reporting limit <br />W 50 ug/L <br />S 1.0 mg/kg <br />water and vapor samples are reported in ug/1„ wipe *amp' <br />extracts in uga., <br />cluttered chromatogram resulting in eoe1utcd surrogate and <br />diminished by dilution of original extract. <br />The following descriptions of the TPH chromatogram are <br />interpretation: a) unmodified or weakly modified diesel is significant;1 <br />aged dieser7 is significant); d) gasoline range compounds :re <br />one to a few isolated peaks present; g) oil range compounds <br />sample that contains greater than —5 vol, % sediment. <br />es in ug./wiT c, soil and sludge samples in mg/kg, and all 1C1,1) I STU.: i SPLP <br />sample pc sits, or: surrogate peak is on elevated baseline, or; surrogate has been <br />cursory in nature and McCampbell Analytical is not responsible for their <br />) diesel range compounds are significant no recognizable pattern; c) <br />signi fies.d.; e) medium boiling point pattern that does not rnratch diesel (7); f) <br />arc significant; h) lighter than wafer immiscible sheen is present; i) liquid <br />k <br /> Edward Hamilton, Lab Director DHS Certification No. 1644