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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hUp.//wvi,w mccamnbell coin E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Newfield Property Date Sampled 01/26/99 <br /> 4005 North Wilson Way Date Received 01/28/99 <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 01/28-02101199 <br /> Client P O Date Analyzed 01/28-02102199 <br /> Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510,Califoi-ma RWQCB(SF Bay Region)method GCF1D(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 02460 MW6/1-26-99 W ND 102 <br /> i02461 MW7/1-26-99 W ND,i 82 <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 reporied in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP 1 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 onginal extract <br /> *The following descnptions of the TPI-1 chromatogram are cursory in nature and McCampbeli 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 diescl9 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 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 />