|
TABLE 4 Page 2 of 3
<br /> ESTIMATED MASS REMAINING IN SOIL
<br /> FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES
<br /> NEIGHBORHOODS B,C,AND D
<br /> MOUNTAIN HOUSE,CALIFORNIA
<br /> Soil Interval Impacted Soil Impacted Soil Soil Volume Representative Estimated Soil Total Impacted Total Residual Total Residual
<br /> (feet below Thickness Area Concentration Bulk Density Soil Mass Contaminant Mass in Soil Contaminant Volume in Soil
<br /> surface) (ft) (sq ft) (cu ft) (mg/kg) Ob/cu-ft) (lb) (1b) (gallons)
<br /> Figure 9 Area 5
<br /> 15-25' 10.0 86 860 11500 79.9 68,714 790.2 129.5
<br /> 15-25' 10.0 408 4,080 1125 79.9 325,992 366.7 60.1
<br /> 15-25' 10.0 341 3,410 112.5 79.9 272,459 30.7 5.0
<br /> Figure 10 Area 6/7
<br /> 15-25' 10.0 217 2,170 500 79.9 173,383 86.7 14.2
<br /> 15-25' 10.0 243 2,430 112.5 79.9 194,157 21.8 3.6
<br /> 15-25' 10.0 271 2,710 2500 79.9 216,529 541.3 88.7
<br /> 15-25' 10.0 399 3,990 1125 79.9 318,801 358.7 58.8
<br /> 15-25' 10.0 435 4,350 112.5 79.9 347,565 39.1 6.4
<br /> 15-25' 10.0 229 2,290 2500 79.9 182,971 457.4 75.0
<br /> 15-25' 10.0 205 2,050 1125 79.9 163,795 184.3 30.2
<br /> 15-25' 10.0 371 3,710 112.5 79.9 296,429 33.3 5.5
<br /> Figure 11 Area 11
<br /> 5-15' 10.0 223 2,230 25 79.9 178,177 4.5 0.7
<br /> 5-15' 10.0 215 2,150 25 79.9 171,785 4.3 0.7
<br /> 5-15' 10.0 251 2,510 37 79.9 200,549 7.4 1.2
<br /> 5-15' 10.0 171 1,710 250 79.9 136,629 34.2 5.6
<br /> 5-15' 10.0 278 2,780 112.5 79.9 222,122 25.0 4.1
<br /> 5-15' 10.0 216 2,160 280 79.9 172,584 48.3 7.9
<br /> 5-15' 10.0 410 4,100 112.5 79.9 327,590 36.9 6.0
<br /> Figure 12 Area 11
<br /> 15-25' 10.0 2,601 26,010 2550 79.9 2,078,199 5299.4 868.8
<br /> 15-25' 10.0 2,452 24,520 1125 79.9 1,959,148 2204.0 361.3
<br /> 15-25' 10.0 1,712 17,120 112.5 79.9 1,367,888 153.9 25.2
<br /> 15-25' 10.0 200 2,000 2500 79.9 159,800 399.5 65.5
<br /> CRA 060222(11)
<br />
|