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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> I McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www rnccampbell coin E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Flag City Chevron Date Sampled 05/03/01 <br />' 837 Shaw Road Date Received 05/04/01 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 05/04/01 <br />' Client P O Date Analyzed 05/04/01 <br /> Diesel Range(CIO-C23)and Oil-Range(CIS+)Extractable Hydrocarbons as Diesel and Motor Oil* <br />' EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFCD(3550)or GCFiD(3510) <br /> Lab ID Client 1D Matrix TP (d)+ TPH(mo)+ %Recovery <br /> Surrogate <br />' 66745 INFLUENT W ND ND 84 <br /> 66746 GAC-1 W ND ND 83 <br />' 66747 GAC-2 W ND ND 84 <br /> 66748 SS-1 W ND ND 8o <br />' 66749 EFFLUENT W ND ND 106 <br /> 1 • <br /> 1 <br /> 1 <br /> r <br /> r <br /> Reporting Limit unless otherwise W 50 ug/L 250 ug/L <br /> r stated,ND means not detected above <br /> the reporting limit S 10 mg/kg 5 0 mg/kg <br /> •water samples are reported in ug/l„wipe samples in ug/wipe,soil and sludge samples to mg/kg,and all TCLP/STLC/SPLP extracts in <br /> 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 original extract. <br /> 'Me following descriptions of the TPH 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 range compounds are significant,e)medium boiling point pattern that does not match diesel ()), f) <br /> r 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 />