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. r <br /> TABLE E-I <br /> MASS BALANCE CALCULATIONS <br /> INITIAL MASS OI EPI IID EXCAVATED MASS OF TPH/D <br /> TPH/D Concentration(m /kg Initial Area s ft 2 Initial Inuial <br /> Excavated <br /> Volume of Mass of Excavated Excavated Mass of <br /> (ontoured Ran a Geometric TPHID(3) TPH/D(4) Area(5) Volume(6) TPH/D(4) <br /> (rom To Mean(1) Iotal Net (cu ftI(lbs) (s ft cu ft lbs <br /> 10 foot depth <br /> East 100 1000 316 3942 77 1254 6268 172 1384 3420 94 <br /> IUOD 5000 2236 268917 2018 10091 1963 2469 12345 2402 <br /> 5000 9800 7000 67103 671 3355 2043 671 3355 2043 <br /> ' West 100 1000 316 401384 974 4869 134 <br /> 161 <br /> 1000 5000 2236 3040 09 2874 807 22 14368 2795 699 3497 680 <br /> 5000 5900 5431 16648 166 S32 393 166 832 393 <br /> 15 foot depth <br /> ' East 100 1000 316 7906 46 3314 16569 456 71 355 l0 <br /> 1000 LOUD 2236 4592 65 3002 15008 2920 1124 5620 I093 <br /> 5000 10000 7071 159097 1262 6310 3882 1018 5090 3131 <br /> 10000 12000 10954 32896 129 1645 1568 329 1645 1568 <br /> ' West 100 1000 316 25967 956 4782 132 172 <br /> 858 24 <br /> 1000 5000 2236 1640 31 1448 7241 1409 240 1201 234 <br /> SODO 10000 7071 1922 131 656 404 192 961 591 <br /> ' <br /> 20 foot depth 10000 28000 16733 6097 61 305 444 61 305 444 <br /> East 100 1000 316 1671895 5422 27110 746 0 <br /> 1000 5000 2236 1129703 8780 43902 8541 276 1380 268 <br /> 5000 10000 7071 251059 1710 8548 5258 933 4665 2870 <br /> 10000 22000 14$32 S0702 807 4035 5207 807 4035 5207 <br /> West 100 I000 316 177412 654 3268 90 61 305 8 <br /> 1000 5000 2236 1120 58 ]121 SG03 1090 244 1221 238 <br /> 25 foot depth <br /> i East 100 1000 3I6 18623 69 4831 30908 850 48 16$ 5 <br /> Mot) 5000 2236 9792 76 8630 30206 5876 488 1708 332 <br /> 5000 10000 7071 116253 884 3093 1903 725 2538 1561 <br /> ' 10000 t4000 11832 2788 279 976 1004 279 976 1004 <br /> West 100 1000 316 1188 Z5 1 188 4159 114 INot excavated <br /> 30 foot depth <br /> } ast 100 1000 116 10543 101$1 GG175 1821 Not excavated <br /> r 1000 1625 1275 412 24 412 2680 297 Not excavated <br /> 35 foot depth <br /> East 100 1000 316 525 8 299 1494 41 Not excavated <br /> 1200 25I0 1584 22704 227 1135 156 Not excavated <br /> ' Totals 325589 51709 57287 24222 <br /> (I)Geometric Mean of n Quantities G= (AIA2 An)^1/n <br /> (2)Area of lateral extent of TPH/D taken from Figures 10-15 <br /> ' (3)Volume based on 5 foot thick layer <br /> (4)Mass of TPH/D=(Mean Concentration)(Volume)(Bulk Density) where Bulk Density=87 pounds/cu ft <br /> (5)Portion of given concentration range area included within excavation for the given layer <br /> (6)Excavated area multiplied by 5 foot thickness of layer <br /> r <br /> r <br />