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TABLE 15 RESULTS FOR SOIL SAMPLES COLLECTED DURING THE REMEDIAL INVESTIGATION -METALS PG&E Former Tracy MGP Site Tracy, California U E E E E i C E i E _E Laboratory ° = E C Y E 3 Sample Depth E y �, E o a m p Sample ID Location Sample Date Work Order m o o a� c N p Matrix (feet bgs) z Q m s U U g �' Z d m = ca Number Q m U U m > mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Al-1-1 Al Soil 1 7/9/2008 08-07-1058 ND<0.750 8.77 271 0.594 ND<0.500 28.7 10.3 28.6 11.5 ND<0.0835 ND<0.250 39.2 1.09 ND<0.250 ND<0.750 31.2 69.9 A1-1-11D Al Soil 1 7/9/2008 08-07-1058 ND<0.750 8.50 268 0.591 ND<0.500 29.2 9.87 27.0 8.38 ND<0.0835 ND<0.250 38.7 0.787 ND<0.250 ND<0.750 32.2 61.7 Al-1-3 Al Soil 3 7/9/2008 08-07-1058 ND<0.750 7.67 174 0.644 ND<0.500 30.8 11.2 26.2 9.86 ND<0.0835 ND<0.250 41.4 1.38 ND<0.250 ND<0.750 33.2 59.0 Al-1-5 Al Soil 5 7/9/2008 08-07-1058 ND<0.750 1.27 69.4 ND<0.250 ND<0.500 8.66 3.37 7.65 2.19 ND<0.0835 ND<0.250 11.0 0.754 ND<0.250 ND<0.750 10.1 31.1 Al-1-8 Al Soil 8 7/9/2008 08-07-1058 ND<0.750 3.92 207 0.368 ND<0.500 19.4 8.78 16.7 5.64 ND<0.0835 ND<0.250 28.7 ND<0.750 ND<0.250 ND<0.750 24.5 50.0 A2-1-1 A2 Soil 1 7/9/2008 08-07-1058 ND<0.750 5.70 173 0.385 ND<0.500 20.8 8.05 18.8 6.09 ND<0.0835 ND<0.250 28.5 0.761 ND<0.250 ND<0.750 23.4 52.9 A2-1-3 A2 Soil 3 7/9/2008 08-07-1058 ND<0.750 5.86 184 0.509 ND<0.500 24.8 10.3 22.3 6.81 ND<0.0835 ND<0.250 34.7 1.09 ND<0.250 ND<0.750 29.9 55.3 A2-1-3D A2 Soil 3 7/9/2008 08-07-1058 ND<0.750 4.61 131 0.418 ND<0.500 19.5 8.50 16.8 5.91 ND<0.0835 ND<0.250 29.4 ND<0.750 ND<0.250 ND<0.750 20.5 35.0 A2-1-5 A2 Soil 5 7/9/2008 08-07-1058 ND<0.750 6.12 199 0.472 ND<0.500 23.8 8.47 20.8 6.44 1 ND<0.0835 ND<0.250 31.5 0.768 ND<0.250 ND<0.750 28.5 55.1 A2-1-8 A2 Soil 8 7/9/2008 08-07-1058 ND<0.750 5.35 132 0.393 ND<0.500 20.2 8.91 17.6 5.89 ND<0.0835 ND<0.250 28.9 1.12 ND<0.250 ND<0.750 24.2 50.6 A2-SG1-1 A2 Soil 1 7/14/2008 08-07-1414 ND<0.750 6.72 185 0.561 ND<0.500 24.9 10.1 24.6 28.1 ND<0.0835 ND<0.250 33.9 ND<0.750 ND<0.250 ND<0.750 30.8 55.0 A3-1-1 A3 Soil 1 7/8/2008 08-07-0848 ND<0.750 7.39 180 0.508 ND<0.500 24.8 10.4 24.4 21.9 ND<0.0835 ND<0.250 37.3 1.16 ND<0.250 ND<0.750 24.0 47.8 A3-1-3 A3 Soil 3 7/8/2008 08-07-0848 ND<0.750 7.13 266 0.638 ND<0.500 28.8 1 10.8 25.2 8.06 ND<0.0835 ND<0.250 39.6 ND<0.750 ND<0.250 ND<0.750 32.7 44.7 A3-1-5 A3 Soil 5 7/8/2008 08-07-0848 ND<0.750 8.51 124 0.569 ND<0.500 28.6 11.7 27.0 8.91 ND<0.0835 ND<0.250 40.4 1.24 ND<0.250 ND<0.750 29.8 51.5 A3-1-8 A3 Soil 8 7/8/2008 08-07-0848 ND<0.750 5.77 112 0.383 ND<0.500 20.4 9.70 17.4 5.59 1 ND<0.0835 ND<0.250 26.8 0.830 ND<0.250 ND<0.750 27.2 36.3 A3-2-1 A3 Soil 1 7/10/2008 08-07-1204 ND<0.750 12.6 202 0.557 0.557 28.4 11.0 29.6 18.0 1.00 ND<0.250 40.5 1.01 ND<0.250 ND<0.750 34.4 183 A3-2-3 A3 Soil 3 7/10/2008 08-07-1204 ND<0.750 8.16 237 0.647 ND<0.500 29.7 11.8 26.2 8.69 ND<0.0835 ND<0.250 42.5 ND<0.750 ND<0.250 ND<0.750 31.9 47.3 A3-2-5 A3 Soil 5 7/10/2008 08-07-1204 ND<0.750 9.75 210 0.602 ND<0.500 29.5 11.8 28.7 8.53 ND<0.0835 ND<0.250 41.4 ND<0.750 ND<0.250 ND<0.750 33.3 49.9 A3-2-10 A3 Soil 10 7/10/2008 08-07-1204 ND<0.750 6.68 151 0.393 ND<0.500 20.5 8.56 21.2 6.28 ND<0.0835 ND<0.250 28.5 ND<0.750 ND<0.250 ND<0.750 25.5 37.1 A3-2-10D A3 Soil 10 7/10/2008 08-07-1204 ND<0.750 5.31 88.6 0.401 ND<0.500 19.8 8.50 18.9 5.99 ND<0.0835 ND<0.250 27.1 0.816 ND<0.250 ND<0.750 27.4 36.1 A3-2-15 A3 Soil 15 7/10/2008 08-07-1204 ND<0.750 8.34 359 0.567 ND<0.500 26.6 9.99 23.2 7.89 1 ND<0.0835 ND<0.250 36.4 0.780 ND<0.250 ND<0.750 26.3 43.8 A3-2-20 A3 Soil 20 7/10/2008 08-07-1204 ND<0.750 6.63 57.9 0.409 ND<0.500 20.8 8.92 17.9 6.19 ND<0.0835 ND<0.250 31.9 ND<0.750 ND<0.250 ND<0.750 25.5 36.5 A3-2-25 A3 Soil 25 7/10/2008 08-07-1204 ND<0.750 2.13 51.9 ND<0.25 ND<0.500 10.4 3.71 7.94 2.43 ND<0.0835 ND<0.250 14.9 ND<0.750 ND<0.250 ND<0.750 12.9 19.8 A3-SG1-1 A3 Soil 1 7/10/2008 08-07-1204 ND<0.750 11.3 161 1 0.537 ND<0.500 25.1 10.6 25.4 9.80 ND<0.0835 ND<0.250 36.3 1.03 ND<0.250 ND<0.750 28.9 45.0 A3-SG1-5 A3 Soil 5 7/10/2008 08-07-1204 ND<0.750 10.4 194 0.663 0.519 30.8 11.3 28.0 8.79 ND<0.0835 ND<0.250 43.0 0.945 ND<0.250 ND<0.750 36.3 59.1 A3-SG2-1.5 A3 Soil 1.5 4/8/2009 09-04-0752 ND<0.750 3.70 196 0.620 ND<0.500 29.2 11.1 27.9 10.8 ND<0.0835 ND<0.250 37.5 ND<0.750 ND<0.250 ND<0.750 33.2 1 50.9 A3-SG3-1 A3 Soil 1 4/8/2009 09-04-0752 ND<0.750 5.43 187 0.542 ND<0.500 27.0 9.82 28.8 17.8 ND<0.0835 ND<0.250 40.6 ND<0.750 ND<0.250 ND<0.750 31.0 92.0 A3-SG5-1 A3 Soil 1 4/8/2009 09-04-0752 ND<0.750 4.73 172 0.568 ND<0.500 26.5 10.6 25.2 9.78 ND<0.0835 ND<0.250 36.1 ND<0.750 ND<0.250 ND<0.750 30.7 46.0 B1-1-1 B1 Soil 1 7/9/2008 08-07-1058 ND<0.750 7.45 160 0.475 ND<0.500 24.2 8.81 24.8 11.8 ND<0.0835 ND<0.250 34.8 1.02 ND<0.250 ND<0.750 24.4 71.4 B1-1-3 B1 Soil 3 7/9/2008 08-07-1058 ND<0.750 5.61 169 0.644 ND<0.500 29.7 11.3 24.5 8.37 ND<0.0835 ND<0.250 41.6 0.866 ND<0.250 ND<0.750 28.7 45.2 B1-1-5 B1 Soil 5 7/9/2008 08-07-1058 ND<0.750 6.99 1160 0.494 ND<0.500 26.0 10.1 23.2 6.81 ND<0.0835 ND<0.250 34.4 1.11 ND<0.250 ND<0.750 29.0 60.6 B1-1-8 B1 Soil 8 7/9/2008 08-07-1058 ND<0.750 6.06 116 0.329 ND<0.500 15.7 6.54 15.0 4.43 ND<0.0835 ND<0.250 22.2 1.07 ND<0.250 ND<0.750 23.9 42.2 B1-2-1 B1 Soil 1 4/8/2009 09-04-0752 ND<0.750 6.14 171 0.449 ND<0.500 25.3 8.88 21.1 16.0 ND<0.0835 ND<0.250 32.5 ND<0.750 ND<0.250 ND<0.750 24.3 56.0 B1-2-3 B1 Soil 3 4/8/2009 09-04-0752 ND<0.750 3.54 200 0.665 ND<0.500 30.1 11.5 25.0 8.97 ND<0.0835 ND<0.250 42.6 ND<0.750 ND<0.250 ND<0.750 29.4 44.6 B1-2-5 B1 Soil 5 4/8/2009 09-04-0752 ND<0.750 6.06 345 0.616 ND<0.500 30.9 11.1 27.5 8.82 ND<0.0835 ND<0.250 40.5 ND<0.750 ND<0.250 ND<0.750 32.2 51.5 B1-SG1-1 B1 Soil 1 7/10/2008 08-07-1204 ND<0.750 9.26 217 0.591 ND<0.500 29.1 10.4 29.5 16.2 ND<0.0835 ND<0.250 39.0 1.12 ND<0.250 ND<0.750 33.1 71.6 B2-1-1 B2 Soil 1 7/9/2008 08-07-1058 ND<0.750 4.90 247 0.540 ND<0.500 27.5 12.5 24.9 8.54 ND<0.0835 ND<0.250 36.8 1 0.752 ND<0.250 ND<0.750 26.3 46.1 132-1-3 B2 Soil 3 7/9/2008 08-07-1058 ND<0.750 5.34 175 0.494 ND<0.500 23.9 9.63 19.9 6.90 ND<0.0835 ND<0.250 34.9 1.15 ND<0.250 ND<0.750 23.9 40.6 132-1-5 B2 Soil 5 7/9/2008 08-07-1058 ND<0.750 6.94 190 0.491 ND<0.500 24.9 9.35 21.8 6.06 ND<0.0835 ND<0.250 35.3 ND<0.750 ND<0.250 ND<0.750 33.3 56.7 B2-1-51D B2 Soil 5 7/9/2008 08-07-1058 ND<0.750 5.84 181 0.461 ND<0.500 23.7 9.29 20.6 5.97 ND<0.0835 ND<0.250 32.4 ND<0.750 ND<0.250 ND<0.750 28.6 54.4 132-1-8 B2 Soil 8 7/9/2008 08-07-1058 ND<0.750 3.63 154 0.266 ND<0.500 16.7 6.98 12.6 3.63 ND<0.0835 ND<0.250 20.5 ND<0.750 ND<0.250 ND<0.750 22.8 43.2 C1-1-1 C1 Soil 1 7/8/2008 08-07-0848 ND<0.750 11.1 272 0.603 0.518 29.9 17.2 28.3 11.4 ND<0.0835 ND<0.250 45.6 1.45 1 ND<0.250 ND<0.750 30.9 58.0 C1-1-3 C1 Soil 3 7/8/2008 1 08-07-0848 ND<0.7501 6.26 148 0.499 ND<0.5001 24.0 10.1 1 21.0 7.40 ND<0.0835 ND<0.250 36.5 1.03 1 ND<0.250 ND<0.750 22.1 40.6 Page 1 of 2