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I 10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 http://Nvww.mccam ell.com E-mail: main@rnccampbell.com mccampbeli.com John P. Cummings &Associates Client Project ID: #0399002.03;Jamar Date Sampled: 08/21/2000 P.O. Box 2847 Date Received: 08/23/2000 Fremont, CA 94536-2847 Client Contact: John Cummings Date Extracted: 08/23-08/31/2000 Client P.O: Date Analyzed: 08/23-09/01/2000 Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tort-Butyl Ether* &BTEX* EPA methods 5030,modified 8015,and 8020 or 602;Califomin ItWQCH(SF Bay Region)method 00FI1)(5030) Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene Ethylben- Xylenes %Recovery zone Surrogate 45637 B-125' S ND 1.3 ND ND ND ND 103 45638 B-130' S 1.3,a 5.1 0.23 ND 0.0090 0.i4 108 45639 B-135' S 17,a 5.7 3.7 1.3 0.11 0.34 98 45640 B-140' S 50,a 3.4 2.8 4.2 0.86 4.5 96 45641 B-1 45' S 4.2,a 1.9 0.24 0.52 0.099 0.61 112 45642 B-150' S 380,a ND<3 3.2 15 5.7 33 ---IV 45643 B-155' S Il,a 0.53 1.1 2.1 0.22 1.2 110 45644 B-160' S 9.4,a 0.33 1.3 2.6 0.20 1.1 113 45645 B-165' S I1,a 1.3 2.5 0.32 0.24 0.93 112 45646 B-170' S 5.0,a 0.84 1.0 0.95 0.080 0.49 106 45647 B-175' S 7.0,c,a 0.44 2.9 0.026 ND 0.081 114 45648 B-180' S 5.4,c ND<0.20 2.6 0.013 ND 0.014 --" 45649 B-185' S ND ND 0.14 0.018 ND 0.020 102 45650 B-190' S ND ND 0.013 ND ND ND 100 Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 otherwise stated;ND means not detected above the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts in uglL "cluttered chromatogram;sample peak coelutes with surrogate peak 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(aged gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad chromatographic peaks are significant;biologically altered gasoline?;c)TPH pattern that does not appear to be derived from gasoline(?);f) one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible sheen is present;i)liquid sample that contains greater than-4 vol.%sediment;j)no recognizable pattern. DHS Certification No. 1644 Edward Hamilton,Lab Director