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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Telephone:510-798-1620 Fax:510-798-Ifi22 <br /> littp://www.niccampbcII.coin G-mail: tuain@mccampbell.cont <br /> r'a,w <br /> John P. Cummings&Associates Client Project ID: #0396012.02; Date Sampled: 03/26/98 <br /> P,O. Box 2847 Piedmont Lumber Date Received; 03/27/98 <br /> Fremont, CA 94536-2847 Client Contact: Jori Ctum>iings Date Extracted: 03/30/98 <br /> Client P.O: Date Analyzed: 03/30/98 <br /> Gasoline Range(C6-C12)Volatile hydrocarbons as Gasoline*,with Methyl tert-Butyl Ethet:•*&B`1'EX* <br /> F-PA methods 5030,modified 8015,and 8020 or 602;California MQCB(SF Bay Region)method CCPID(5030) <br /> Lab ID Client 1D Matrix TFH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> ze€ c Surrogate <br /> 87433 MW-BT W ND --- 7.1 ND 0.90 1.7 95 <br /> 87434 MW-1 W ND --- ND ND ND ND 95 <br /> 87435 MW-2 W 79,c --- 26 ND ND ND 96 <br /> 87436 MW-3 W ND --- 13 ND ND ND 96 <br /> 87437 Pot Well W ND --- ND ND ND ND 96 <br /> r;: ==3 <br /> f <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit mg/kg S 1 0 m /l( 0.05 0.005 0.005 0.005 0.005 <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge sumples in mg/kg,and all TCLP and SDLP extracts <br /> in ug/L <br /> "cluttered chromatogram;sample peal(coelutes with surrogate peak <br /> '"rhe following descriptions of the TPH chromatogram are cursory in nature and McCamphell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compauads 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 signif€cant;biologically altered gasoline'?;e)TPH pattern that does not appear to be derived from gasoline(7);f) <br /> one to a rew isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h) lighter than water immiscible <br /> sl€cen is present;i)liquid sample that contains greater than---5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 �F dward Hamilton,Lab Director <br />