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I 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> httpa/www,mccam»bell com E-mail:main@mccampbell.com <br /> E <br /> +.• Advanced GeoEnvironmental Client Project ID: #96-0229;Pacific Car Date Sampled: 05/14/98 <br /> Wash <br /> 4005 North Wilson Way I Date Received: 05/15/98 <br /> i <br /> i. Stockton,CA 95205 Client Contact: Tim Cuellar Date Extracted: 05/16/98 <br /> Client P.O: Date Analyzed: 05/16/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Buhl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> ►++ -zene Surrogate <br /> 89336 MW-1/5-14-98 W 43,000,a 780 5000 7300 1100 6700 103 <br /> flow 89337 MW-215-14-98 W 91,000,a ND<100 2700 10,000 4100 25,000 103 <br /> 89338 MW-315-14-98 W 11,000 ND<40 930 93 570 1500 102 <br /> +� 89339 MW-4/5-14-98 W ND 17 ND ND ND ND 105 <br /> 89340 MW-5/5-14-98 W ND ND ND ND ND ND 104 <br /> too 89341 MW-615-14-98 W 66,000,a ND<150 5600 11,000 2700 14,000 102 <br /> tr <br /> a,. Reporting Limit unless <br /> 1k 50 ug,L 5.0 OS 0.5 0.5 0.5 <br /> otherwise stated;ND means <br /> not detected above the S 1.0 0,05 0.005 0.005 1 0.005 0.005 <br /> reporting limit mg/kg <br /> "water and vapor samples are reported in ug/L,wipe samples in ugAk ipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug1L <br /> cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The 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 gasoline is significant; b) heavier gasoline range compounds are significant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile traction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(2);t) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant:h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than--5 vol.%.sediment j)no recognizable pattern. <br /> i.o //—Edward <br /> DHS Certification No. 1644 /i� Edward Hamilton,Lab Director <br />