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. <br /> HucKs Decatur DOMENICO MODEL(STEADY STATE�IEPA TACO) <br /> Sample d8(G It) <br /> Calculalion Resulis usiny TACO Fqualions S17 and R26 for Contaminant Concenlrallons in Groundviater Ihal have leached from soii <br /> General Parameters/or R28 defaults <br /> VeA.source thlckness,Sd: 10 ft. �.�6 n <br /> Noriz.Source Wldth,Sw(normal lo flow): 90 tt. general gravel sand sill clay <br /> Salurated Porosity 0:12 O.A3 0.25 0.32 0.40 0.3G <br /> Flydf.GradlenC U 019G <br /> SaL Hydr.Cond.: J 5?G�t)4 cmis <br /> Spec.Olschg.: 2.16F�05 cmis <br /> Soll Bulk Dens. 1 5 g/cm3 1.5 2.0 1.8 1.6 1 J <br /> GW Darcy Vel. 2.18E+02 cm/yr <3 fi bgs: >3 R bgs: <br /> Fraclion organic carbon,(oc: U.0026 0.006 0.002 <br /> Leachlnp Factor(Soll to 6roundwater) de}aults: <br /> TACO Equalion S17 <3 ft bgs >3 ft bgs gravel sand silt clay <br /> Wetled porosily 0.30 0.15 0.30 020 0.18 O.1G 0.17 <br /> Alr porosity 0.13 428 0.13 OAS 0.14 0.16 0.17 <br /> GW Mlxing 7_one Thick�ess,fi G.:i6 6.56 6.56 <br /> Infillrallon Rale,cmtyr J0.00 30 a0.000 <br /> Source Length parallel l0 22D feel <br /> At source pt. benzene toluene ethylbenz xylenes �� MTBE �� � <br /> Soll concenttatlon(mglkg� 0 4C '1 R 9.:? �%% <br /> Uilu�lon factor 122 20 (TACO defaull) <br /> Dil Faclor lo use 20 <br /> Equilib lolal ccmc faclo� 3.85E-01 7.33601 124E+00 9.SOE01 2.34E�01 <br /> Leaching Factor 7.69 14-G6 24.89 7B.99 469 <br /> Leached l3W Conc.(mg/l) 0.062 0.327 0.370 0.948 0.000 <br /> Dlst%,boringlweU to Compllance Pt.: �f50 fl. <br /> Class IlClass II 6roundwatet: Glass I <br /> Calculatlons dased on equatlon R161R28 In 36 IAC 742 A endtx C Table C. <br /> Chemical: Benzene Toluene Eth Ibenx X lenas MTBE <br /> Hoc(mUy) 58.�J 582 363 260 12 <br /> Decay Const(/day)" 9.00604 1-10E-02 3.00F-03 1.90E-03 �.00Et00 <br /> Olm'less Henry's Law C:onsl. 228601 2]2E-01 3.23601 250E-Ot 2.41 F-02 <br /> Class I GW CUO(mgll-) 0.005 1.000 0.700 10.000 0.070 <br /> Class II GW CUO(mg/L) OA25 25 1 10 0.07 <br /> A ro riate CUO m Il. 0.005 1.000 0.700 10.000 0.070 <br /> Estimated Concentratlon at x feat from bo�ing/well: <br /> Leached GW Conc(Irom above) O.OG2 0.327 0.370 0.948 0.000 <br /> exponenUal(actor 0.156 O.ODO 0.007 0.031 1.00U <br /> Sw!(4 sqA(alfa y'X)) 0.822 <br /> eA(Sw!(4 sqrt(alfa y'X�)J 0.755 <br /> Shc(2 sqA(alfa z'X)) 0.471 <br /> erl Sz 0.495 <br /> Fracl of Inil Conc.(ClCO)@ X 5.8111E-02 1.9397F-06 27047E-03 1.1727E-02 3]359601 <br /> Eslimaled Conc_at Pt X 0.004 0.000 0.001 0.01} 0.000 <br /> RATIO:ConciIDPt z/CorrActOb) 0J25 0.000 0.001 0.001 0.000 <br /> EHects of Slmifar•Acting Chemicals <br /> Hazard Index�MI) <br /> Total BTEX 0.728 <br /> Target Organ <br /> Kidney 0.001 <br /> Liver 0.001 <br /> Nervous Syslem 0.001 <br /> Circulalory SysL 0,725 <br /> Gd Trad 0,000 <br /> NOTE:The Hazard Indices(His)(or To(al BTEX and each of these o��ans mus�not exceed 7 <br />