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■r ��r r �r r r r r r r r r��r <br /> Table 2 Groundwater Contaminant Mass Estimate Calculations(TPH-G) <br /> Castle Motors <br /> 2315 N El Dorado <br /> Stockton,CA <br /> Project No 723 2 <br /> thickness area* volume vol of H2O** vol H2O cont load*** cant load cont sub-total <br /> depth contour depth-ft ft ft ft3 ft3 liters m L k L k <br /> #1 30-45 15 350 5250 2363 66906 15 0000015 100 <br /> #2 30-45 15 1568 18270 8222 232833 13 0000013 303 <br /> #3 30-45 15 3923 35325 15896 450182 11 0000011 495 <br /> s #4 30-45 15 8027 61560 27702 784521 9 0000009 706 <br /> N #5 30-45 15 13632 84075 37834 1071452 7 0000007 750 <br /> #6 30-45 15 21336 115560 52002 1472697 5 0000005 736 <br /> #7 30-45 15 44457 346815 156067 4419810 3 0000003 1326 <br /> #8 30-45 15 76390 478995 215548 6104312 1 0000001 610 5027 <br /> #1 45-70 25 69 1725 518 14656 95 0000095 1 39 <br /> #2 45-70 25 484 10375 3113 88146 85 0000085 749 <br /> #3 45-70 25 1137 16325 4898 138697 75 0000075 <br /> 1040 <br /> m #4 45-70 25 2285 28700 8610 243835 65 0000065 1585 <br /> 0 #5 45-70 25 4004 42975 12893 365116 55 0000055 2008 <br /> m #6 45-70 25 6493 62225 18668 528664 45 0000045 2379 <br /> #7 45-70 25 10136 91075 27323 773773 35 0000035 2708 <br /> #8 45-70 25 15756 140500 42150 1193688 25 0000025 2984 <br /> #9 45-70 25 25467 242775 72833 2062616 15 0000015 3094 <br /> #10 45-70 25 36672 280125 84038 2379942 5 0000005 1190 17877 <br /> #1 70-80 10 4752 47520 21384 605595 15 0000015 908 <br /> #2 70-80 10 8148 33960 10188 268524 13 0000013 3 75 <br /> #3 70-80 10 12650 45020 13506 382490 11 0000011 421 <br /> W #4 70-80 10 18533 58830 17649 499820 9 0000009 4 50 <br /> #5 70-80 10 25652 71190 21357 604830 7 0000007 423 <br /> #6 70-80 10 35504 98520 29556 837026 5 0000005 419 <br /> #7 70-80 10 49140 136360 40908 1158515 3 0000003 348 <br /> #8 70-80 10 68014 188740 56622 1603535 1 0000001 1 60 3504 <br /> total kg= 26408 <br /> Ib= 58230 <br /> gal= 9392 <br /> Notes <br /> *=Area calculated by CAD software <br /> **Vol H2O=volume of zone x porosity[assume 45%for claylsdt(shal,deep), 30%for sand(inter), Driscoll, 19891 <br /> ***average(median)zone concentration <br />