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1 1102nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC - Telephone 925.798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell com <br />' Advanced GeoEnvironmental Client Project ID Flag City Chevron Date Sampled 03/14/01 <br /> 837 Shaw Road Date Received 03/20/01 <br /> Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 03/20/01 <br /> __. [' Chem P 4 Date Analyzed 03121-03/23101 <br /> 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 /> 63386 MW-10A W 61,b 114 <br />' 63387 MW-10B W ND 116 <br />' 63388 MW-IOC W ND 119 <br /> 63389 MW-1013 W ND 118 <br /> 63390 MW-l0E W ND 116 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br /> the reporting limit S 10 mg/kg <br /> 'water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples m mg/kg,and all TCLP/STLC/SPLP <br /> extracts in ug/L <br /> 0 cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> dirmmshed by dilution of ongmat extract <br /> +The following descriptions of the TPH chromatogram are cursory m nature and WCampbell 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 range compounds are significant,e)medium boiling point pattern that does not match diesel (v), 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 /> i <br />