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RSCA Tool Kh for ohemicai Releases.Version 1.3
<br /> RBCA SITE ASSESSMENTInput Parameter Summary
<br /> Site Name: Heritage Square Completed By: Lee H.Morse Job ID: 3572E
<br /> Site Loralian: 640 N.San Joaquin Street,Stockton,CA Date Completed:2t3•Sep-02 T pp 1
<br /> Exposure Parameters" ,; ---- , Residential '- -_= Commercial0ndustr(aI- Surface Parente[m = __=-- --- '-'. General..Cpn$tmCLlen-- :-' _ {units[
<br /> - Addh l 11-is y.) Chronic Conrtr,c. A Source zone area - 1.1E-2 NA (11"2)
<br /> AT, Averaging time for camnogens(yr) 70 W Length of sourse-zone area parallel to wind 1.2E+1 NA (o)
<br /> AT, Avemging time for non-can9ndgens(yr) 30 25 1 Wo, Length of source-zone area parallet to GW pow NA (01
<br /> BW Body weght(kg1 70 15 35 70 UK Ambient air velocity in mixing zone 7.0E+0 (01s)
<br /> ED Exposure duration(yr) 30 5 16 25 1 6„ Air mixing zone height 3.l (fl)
<br /> T Averaging Lime for vapor flux(10 30 25 1 Pr Areal partimlate emission rale NA (glomA21s)
<br /> EF Exposure frequency(duyslyr) 350 250 1410 Lrr Thickness of affected surface soils 3.0E+1 (H)
<br /> EF, Exposure frequency for dermal expos 350 250
<br /> 1R, Ingestion rale of water(Uday) 2 1 ,Surface Soil Column Parameters'-...:" Value (UnR+I
<br /> IR, Ingestlon rale of soil(mgfday) 100 200 50 100 Capillary zone thickness 7.9E_1 (h)
<br /> SA Skin surface area(dermal)(tini 5500 2023 5800 5800 h,=c Vadoae zone thickness 2.9E+1 (ft)
<br /> M Sail to skin adherence factor 1 r, Sail bulk density 1.7E+0 (glomA3)
<br /> ET,,,, Swimming exposure time(hrlevenl) 3 f6 Fraction organic carbon tAE2 (-)
<br /> EV„„„ Swimming event frequency(evenlelyf) 12 12 12 Or Sell total porosity 3.8E-1 (-)
<br /> IR,.A„r Water Ingestion while swimming(Uhr) 0.05 0.5 K, Vertical Tydraullc conducially 11.11E•2 (ern[d)
<br /> SA_ Skin surface area for swlmming fool 23000 6100 k„ Vapor pem eabi➢iy mEos
<br /> ISM ingestion rate of fish("ll 0.025 Lr, Depth to gmurldxrater 3.0E+1 (0)
<br /> FI,,,, Contaminated fah fraction(unitless) 1 L, Depth to lop of affected soils 1,OE-1 [0)
<br /> I— Depth to base of affected soils 2.0E+1 (H)
<br /> Completellxposure Pathways and Receptors::,.. _..On4ita - off-site T -_Offsite 2- L_ Thickness at affected soils i.OE+1 (0)
<br /> Groundwater: pH SoNgroundwater pH 8.8E+0
<br /> Groundwater Ingestion Mone None None O
<br /> 11 eaeltlary radoaa foundation
<br /> Soil Leaching to Groundwater Ingestion Nona None None 0. Volumetric water content 0,342 0.31 0.12 (-)
<br /> 0. Volumetnlc airconlenl 0,038 0,07 0.28 (-)
<br /> Applieehle 5udace Wall,Expo-fill
<br /> Swimming NA Building Parameters - - :Reaitlentiat CommerClal, (Unitr)-
<br /> Fish Consumption NA L, Buildrng volumelarea ratio 2.00E+1 NA (H)
<br /> Aqualk:Lite Protection NA Aa Faundalion area 1.20E+4 NA (212)
<br /> Xol Foundation perimeter 5.20E+2 NA (h)
<br /> Soli: - ER Bullding ah,exchange rale 1,40E-4 NA (11s)
<br /> Direct Ingestion and Dermal Genlaol None Len Fuurldallon thickness 5.00&I NA (ft)
<br /> zc,t Depth to bottom o1 foundation slab 5.00E.I NA [h}
<br /> Ouldoor Air: q Foundalion crack h ciien 1,0012.2 NA (q
<br /> Pmlcolates from Surface Sails None None None dP Indoorloutdoor differential pressure 0.00E+0 NA (gycm1sA2)
<br /> Volaliazatlan from Soils Resfdon0al None None Q, Convepive air How through slab 0,00E+0 NA (H"ifs)
<br /> Velalln,atlon from Groundwater ResidenliM None None
<br /> Groundwater parameters rs:: - Vane' (unibt
<br /> {ndacr Alr'. 0, Groundwater mixing zone depth NA (0)
<br /> Velaliibation from Subsurface SellsResklenllel NA NA II Net growater undirnh0mtlon rate NA (cmryr)
<br /> Volatilization from Groundwater Residential NA NA U_ Groundwater Darcy velocity NA (cm/d)
<br /> Groundwater seepage veloply NA (crrVtl)
<br /> Receptor
<br /> _Distance fromSource Media"_-_- Onade' � Oft_-s0e t7:.-="Offsite 2.___.(units) _ K, Saturated hydraulic mnductirdy NA (cmltl)
<br /> Groundwater receptor NA NA NA (fl) I Groundwater gradient NA (-)
<br /> Sob Leaching to groundwater receptor NA NA NA (H) S„ Width of gmundvrater$tune zone NA 00
<br /> outdoor,air mha€etIon receptor D NA NA (H) S. Depth of groundwater source zone NA (H)
<br /> 0, Effecdve porosity in water-bearing unit NA (-)
<br /> :.Target Health Risk Valuesr+,� r<•-= =`�r` •' -inpividvai�:;..Cumulative_ I!— Fraction organic carbon in water-bearing unit NA
<br /> Target Rsk(Gass ASS cardnogells) l.OE-8 1.0E-5 pH_ Gmundwater pit NA (-1
<br /> TR, Target Risk(Gass C carcinogens) 1.0E-5 Slodegradatlon considered? NA
<br /> THO Target Hazard Quotient(non-cardnogenic risk) 1.0E+0 1,0E*D
<br /> Modeling Options,
<br /> RBCA tier Tier 2 Lateral Groundwater Tronsport 0roundwaler inoeadon A-iLLeactina to GW
<br /> Outdoor air volatilization model Surface d subsurface models u, Longitudinal dispersivily NA NA NA NA (8)
<br /> Indoor air voladlizatlor model Johnson 8 Ettinger model oy Tfil lye dispersivlty NA NA NA NA (0)
<br /> Sall leaching model NA a, Vertical dispersivity NA NA NA NA (8)
<br /> Use soil altenuatlor model(SAD,))for leachale? NA L.W.1 Outdoor All Tr.-,pan SoILtaRutdopr Ab Intal OW to outdeer Air Inhal.
<br /> Air dllullon factor NA Transverse dispersion coefficient NA NA NA NA (0)
<br /> Groundwater dilution-attenuation factor NA os Vertical dispersion coeff[eent NA NA NA NA (fl)
<br /> ADF All dispersion factor NA NA NA NA (-)
<br /> v a<e= ater Parameters) _- -' - -,r.. pHsife.2 (unite)
<br /> NOTE:NA-Not applicable Surface wafer Oawrate NA (013151
<br /> % Width of GW plume at SW discharge NA (s)
<br /> 6, Thickness of GW plume at SW dischargeNA (ft)
<br /> DF,.,, Grouradrrater-to-surface water diM€on tactor NA 0
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