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TABLE A a ED'S MUFFLER SHOP FUEL LEAK, TRACY AGGREGATE SUMMARY OF ON-SITE SOIL TEST DATA (maximum depth 12 feet) DEPTH CONCENTRATION (mg/kg) LAND LOCATION (ft) TPHg B T E X TBA DATE/COMMENTS USE 1 (S-15-NW) 10.5 140 <0.025 <0.025 0.29 <0.025 <0.025. 3/17/04 - excavation corner Res 2 (S-15-NE) 8-14 2,000 <0.25 <0.25 7.1 <0.25 <0.25 3/17/04=excavated corner material Res 3 (S-14.0-E) 11.5 760 <0.10 <0.10 13 10.13 <0.10 2/12/04 • excavation sidewall ' Res 4 (S-14-0-W) 11 < 1 <0.005 <0.005 0.0084 0.01 <0.005 2/12/04- excavation sidewall Res 5 (S-13-20-E) 11.5 1,200 <0.25 <0.25 13 1.7 <0.25 2/12/04 - excavation sidewall Res 6 (S-13-W-0) 11 1.1 0.014 <0.005 . 0.026 0.064 <0.005 2/23/04 - excavation sidewall Res 7 (S-13-E-5) 11 660 <0.10 <0.10 0.28 <0.10 <0.10 2123/04- excavation sidewall Res 8 (S-12-W-5) 11 < 1 <0.005 <0.005 <0.005 <0.005 <0.005 2/23/04- excavation sidewall Res 9 (S-12-E-0) 11 75 <0.005 <0.005 0.0074 <0.005 <0.005 2/23/04- excavation sidewall Res 10 (S-11-E-0) 10.5 < 1 <0.005 <0.005 <0.005 <0.005 0.016 3/2/04- excavation sidewall Res 11 (S-11-W-0) 10 84 <0.05 <0.05 0.43 0.22 <0.05 3/2/04- excavation sidewall Res 12 (S-11-W-10) 10 1,700 0.54 0.69 25 85 <0.50 312/04- excavation sidewall Res 14 (S-11-E-10) 10.5 970 <0.25 0.55 12 49 <0.25 3/2/04- excavation sidewall Res 15 (S-11-W-20) 11 3,100 1.4 < 1 41 102.1 < 1 3/4/04- excavation sidewall Res 16 (S-11-E-20) 11 48 <0.025 <0.025 0.41 . 0.41 <0.025 314/04- excavation sidewall Res 17 (S-10-E-15) 11 170 <0.025 0.04 1.8 1.745 <0.025 3/4/04- excavation sidewall Res 18 (S-10-W-15) 10 49 <0.025 <0.025 0.26 0.19 <0.025 3/4/04- excavation sidewall Res 19 (S-10-1 W-15) 11 840 5.5 7.4 15 61 <0.10 3/9/04- excavation corner Res 21 (S-10-1W-5) 11 6,700 23 150 100 570 - < 5 ' 3/9/04- excavation inner corner ' ` Res 22 (S-10-1W-20) 11 10,000 5.9 200 160 900 < 1 3/9!04- excavation sidewall Comm 24 (S-10T-W-N) 10.5 2,100 1.8 19 31 149 <0.25 3/31/04 - excavation sidewall Res 25 (S-10T-W-S) 10.5 760 0.25 4.4 13 56 <0.15 3/31/04 -excavation sidewall Comm , 27 (S-10T2-N) 8 1,800 0.30 0.52_ 20 70 <0.25_ 4/1104- excavation corner_, Res 28 (S-10T2-S) 8 1,200 0.79 0.38 12 8.44 <0.15 4/1/04 - excavation corner Comm PB-7-2 6.5 3.7 <0.005 0.0056 0.005 0.025 --- May 1996- northeast corner of site Res PB-15-2 8 3000 < 13 < 13 < 13 64 < 13 4/19/01 -south of Trailer 11 Res PB-15-3 12 87 0.037 0.20 0.33 1.9 <0.021 4/19/01 -south of Trailer 11 Res PB-16-2 8 110 < 1.3 < 1.3 < 1.3 2.8 < 1.3 4/19/01 - between Trailers 10 & 11 Res PB-16-3 12 570 < 1.3 < 1.3 1.4 3.4 < 1.3 4/19/01 - between Trailers 10 & 11 Res PB-17-2 8 < 1 <0.005 <0.005 <0.005 <0.005 <0.005 4/19/01 -former UST location, south edge Comm PB-17-3 12 1700 < 1.3 < 1.3 < 1.3 < 1.3 < 1.3 4/19/01 -former UST location, south edge Comm page 1 of 2 ___