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110 Second Avenue South,#D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INIC Telephone 510-798-1620 Fax 510-798-1622 <br /> httl2 mccampbell com E-mail main@mccampbell com <br /> i <br /> Advanced GeoEnviromental Client Project ID Cherokee Truck Stop I Date Sampled 12/15/97 <br /> ii <br /> 4005 North Wilson Way Date Received 12/17/97 <br /> Stockton, CA 95205 Client Contact Kevin McKibben Date Extiacted 12117197 <br /> Client P O Date Analyzed 12/17-12/22197 1 <br /> Diesel Range(C10-C23) Extractable H)drocai bores as Diesel <br /> EPA methods modified 8015,and 3550 or 3510,California RV1 QCB(SF Bay Rc,Don)nxthod((F1D(1550)or GCF1D(3510) <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 84216 MW-2112-15-97 W 140 c b 102 <br /> 84217 MW-3/12-15-97 W 71 b 103 <br /> 84218 MW-4/12-15-97 W �9 b 105 <br /> 84219 MW-5/12-15-97 W 7')b 106 <br /> 84220 Large/12-15-97 W \D 106 <br /> 84221 Small/12 15 97 W \D 106 <br /> Reporting Limit unless otherwise <br /> W ill ugil- <br /> stated ND means not detected above <br /> the reporting limit S 141 m,/1ts <br /> *%tater and i apor samples are reported in ug/L,wipe samples in ug/sN qx ,oil and sludi-4L samples rn me/kg and all TCLP 1 STLC!SPLP <br /> extracts in ugiL <br /> kluttered chromatogram resulting in coeluted surrogate and sample peaks of tiun a air peak IS On L ht atcd baseline,or,surrogate has been <br /> diminished by dilution of original extract <br /> +The following descriptions of the TPH chromatogram are cursory m MAUlt, and MLCamphell Analytical is not responsible- for their <br /> Interpretation a)unmodified or weakly modified diesel is signiticant b)dlescl ran compounds me significant no recognizable pattern c) <br /> aged diesel'is significant),d)gasoline range compounds are significant e)medium 11011111"point pattern that does not match diesel <br /> one to a few isolated peaks present, g) oil range compounds arc, signiiIL lin 11) lighter than eater immiscible sheen is present, i) liquid <br /> sample that contains greater than-5 vol %sediment <br /> DHS Certification No 1644 /�'� Edxvard Hamilton, Lab Director <br />