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r <br /> H�ck's Decalut DOMENICO MODEL(STEADY STATE•IEPA TACO) " <br /> Sample p7 p.5 II) <br /> Calculallon Kes�lts using T�CO Fqualions St 7 and R26 Im CoMaminanl Concentralions in Groundvreter fhal h�ve leached from soil <br /> Oeneral Parameters(or R26 u ts <br /> Vert.smuce thlckness,Sd: 10 fl. 6.56 ft <br /> . Ho�iz.Source Wldth,Sw(normal to flow): D(r N. general gravel sand sill clay <br /> SaW�ated Porosity 0 3'l. OA3 025 QJ2 O.AO 0.3G <br /> HydcGradlenC 0.019�i <br /> Sat.Hydr.Cond.: :7 52E�04 cmis <br /> Spec.Dischg.: 2.16E�05 cm/s <br /> SoilBulkDens. �L5y/cm3 1.5 2.0 1.8 5.6 1J <br /> GW Darcy Vel. 2.18E�02 cm/yr �3 fl bys: >3 fi bgs: <br /> Fraction organic carbon,foc: QU02lS 0.006 0.002 <br /> Leaching Factor(Soll l0 6roundwater) ��' <br /> TACO Equalion S17 <3 II bgs >311 bgs gravel sand silt clay <br /> Weltedporosity 0.30 0,15 0.30 Q20 0.18 0.16 0.77 <br /> Alr porosily 0.13 0.28 0.13 0.05 0.14 0_�6 0.17 <br /> GW Mixing Zone Thickness,R Ci.Sti 6.56 6.56 <br /> Infiltrallon Rate,cm/yr 30.00 30 30.000 <br /> Source Le�glh parallel to <br /> flow,W 220 leet <br /> At source pt. benzene toluene etfiylbenz xylenes H MTBE H � <br /> Soll concentratlon(mglkg) 0 74 0 tf? U 7G %'3 <br /> Dilution faclor 122 20 (TACO defaull) <br /> Dil Factor lo use 20 <br /> Equilib lolal conc laclor 3.85E-01 7.33E-Ot 1.24E+00 9.50E-01 2.34E-01 <br /> leaching Factor 7.69 14.66 24.89 18.99 4.69 <br /> Leached 6W Conc.(mg/L) 0.018 0.056 0.031 0.121 0.000 <br /> Dlst X,boNng/well to Compllance Pt.: 85 ft. <br /> Class IlClass II Oroundwatef: Class I <br /> Calculallons based on equatlon R16/R28 In 36 IAC 742 A endlx C Table C. <br /> Chemical: 8enzene Tolue�e Eth IDenz X tenes MTBE <br /> Koc(mL/g) 58.9 182 363 260 12 <br /> DecayConsi.(/day)• 9.00E-04 1.10E02 3.00E�03 1.90E-03 O.00Er00 <br /> Dim'IessHenrysLawConsL 228E�01 2.72E�01 323601 2.50E-01 2.41E-02 <br /> Class I GW CUO(mg/L) 0.005 1.000 0]00 10.000 0.070 <br /> Class II GW CUO(mg/L) 0.025 2.5 1 � 10 0.07 <br /> A ro riate CUO m /L 0.005 1.000 0700 10.000 0.070 <br /> Estlmated Concentretioo at x feet from boringlwell: <br /> Leached GW Cone(lrom above) 0.018 0.056 Q031 0.121 0.000 <br /> exponential faclor 0.325 0.000 0.042 0.114 1.000 <br /> Sw/(4 sqrf(alfa y•X)) 1.450 <br /> ert�Sw/(4 sqrt(alla y'X))) 0.960 <br /> Sd/(2 sqrf(alfa z'X)) 0.832 <br /> eA Sz 0.�161 <br /> fracl of Inif Conc.(GCO)@ X 2.3714F-01 1.7491F-04 3.07J2E-02 8.3374E-02 72992E�01 <br /> Eslimaled Conc.at PI X 0.004 0.000 0.001 0.010 0.000 <br /> RATIO:Conc�W xlCorrActObi 0.863 0.000 OA01 0.001 0.000 <br /> Effects o(Slmflar-Acting Chemlcals <br /> Hazard Index(NI) <br /> Tofal BTEX 0.686 <br /> Targel Organ <br /> Kidney 0.001 <br /> Liver 0.001 <br /> Nervous Syslem 0.004 <br /> Cirr,ulaloiy SysL 0.883 <br /> G-I Tract 0.000 <br /> NOTE:The HaearA Indir,es(His)for 7otal BTF.X and ench of these oryans must no1 excceA 1 <br />