Table 1 - Risk assessment resultsMaximum individualcancer risk (in amillion)Maximum chronic noncancer TOSHIMACTSourceCategoryNumber ofFacilitiesModeledActualEmissionsLevelAllowableEmissionsLevelPopulationat risk≥1-in-1 millionAnnualcancerincidenceActualEmissionsLevelAllowableEmissionsLevelMaximum off-site acutenon-cancer HQHard ChromiumElectroplating63 + 1,219model plant70 90 14,200,000 0.8 0.06 0.09 Not applicableDecorativeChromiumElectroplating96 + 337model plant70 70 390,000 0.08 0.06 0.06 Not applicableChromiumElectroplatingChromiumAnodizing7 + 73 modelplant5 5 2,700 0.003 0.004 0.004 Not applicableEpichlorohydrinElastomers1 10 10 800 0.0001 0.1 0.1REL = 0.2epichlorohydrinPolybutadieneRubber5 30 30 24,000 0.003 0.3 0.3REL = 1.4 tolueneAEGL-1= 0.1 styreneStyreneButadieneRubber andLatexProduction6 10 10 25,000 0.004 0.2 0.2REL = 0.4 styreneAEGL-1= 0.6 styrenePolymers andResins INitrileButadieneRubberProduction1 2 2 70 0.0004 0.009 0.009AEGL-1 = 0.002acrylonitrile152 20 30 71,000 0.01 0.3 0.5 REL = 1 benzeneMarine Tank Vessel LoadingOperations300(extrapolationto totalpopulation)20 30 140,000 0.02 0.3 0.5 REL = 1 benzenePharmaceuticals Production 273 4 2,000 0.0008 0.2 0.3REL = 2 chloroformAEGL-1 = 0.5acetonitrilePrinting and Publishing Industry 172 4 20 300 0.0006 0.08 0.4REL = 10 tolueneAEGL-1 = 0.5 toluene51 NA NA 30(HI>1) NA 2 2REL = 0.4 chlorineAEGL-1 = 0.2hydrochloric acidSteel Pickling – HCl ProcessFacilities and Hydrochloric AcidRegeneration Plants80(extrapolationto totalpopulation)NA NA NA NA 2 2REL = 0.4 chlorineAEGL-1 = 0.2hydrochloric acidTable 2 – Facility-wide risk assessment resultsMACTSource CategoryFacility-Wide MIR(in 1 million)Source categorycontribution to MIR1Facility-WideTOSHISource categorycontribution to facilitywide TOSHI1Hard ChromiumElectroplating90 <1% 2 <1%Decorative ChromiumElectroplating90 7% 0.8 9%ChromiumElectroplatingChromium Anodizing20 25% 0.2 6%Epichlorohydrin ElastomerProduction10 100% 0.5 20%Polybutadiene RubberProduction30 100% 0.3 100%Styrene Butadiene Rubber andLatex Production70 5% 1 10%Polymers andResins INitrile Butadiene RubberProduction5 33% 0.03 30%Marine Tank Vessel Loading Operations200 10% 4 20%Pharmaceuticals Production40 <1% 0.8 <1%Printing and Publishing Industry20 <1% 2 <1%Steel Pickling 100 NA 10 <1%Table 3 - Demographic analysis results (populations within 5km of facilities)Percentage of Population Group WithRisk Greater Than 1-in-1 millionMACTSource categoryEmissionsBasisMIR(in 1million)TotalPopulation at 1-in-a million riskAll EthnicMinorityAfricanAmericanOther andMultiracialHispanic orLatinoNativeAmericanBelow thePoverty LevelOver 25 W/O aHS DiplomaNationwideNA285,000,000251212140.91313SourceCategory70 13,100,00 52 23 29 34 0.6 22 20HardChromiumElectroplatingFacility-wide90 13,100,000 52 23 29 34 0.6 22 20SourceCategory70 356,000 50 18 32 47 0.8 24 23DecorativechromiumElectroplatingFacility-wide90 434,000 54 21 32 48 0.7 24 25SourceCategory5 2,700 36 16 20 27 0.4 24 19ChromiumElectroplatingChromiumAnodizingFacilitywide20 7,960 23 10 12 13 1 19 16SourceCategory10 780 54 53 0.8 0.8 0.4 20 11EpichlorohydrinElastomersFacilitywide10 920 52 51 0.6 0.6 0.5 19 10SourceCategory30 16,800 11 6 4 4 0.5 11 13PolybutadieneRubberFacilitywide30 19,900 12 7 5 4 0.5 12 14SourceCategory10 23,700 40 3 36 54 0.6 18 24StyreneButadieneRubberFacility-wide70 105,400 50 29 20 32 0.5 23 20SourceCategory2 70 94 94 0 0 0 33 14Polymers andResins INitrileButadieneRubberFacility-wide5 6,200 95 93 2 0.4 0.1 23 17SourceCategory20 64,600 29 7 21 38 0.6 15 19Marine Tank Vessel LoadingOperationsFacilitywide200 815,000 38 18 19 34 0.5 18 18SourceCategory3 2,000 12 4 8 34 0.5 32 25Pharmaceuticals ProductionFacilitywide40 28,000 18 14 4 12 0.3 21 15Printing and Publishing IndustrySourceCategory4 50 0 0 0 0 0 11 5Facilitywide20 53,800 14 8 5 5 0.3 9 11SourceCategory2(HI) 45 0 0 0 9 0 6 9Steel PicklingFacilitywide10(HI) 1,700 41 34 6 1 0.2 11 13Table 4 - Control alternative assessmentMACTSourceCategoryControl OptionNumber ofAffectedFacilitiesHAPEmissionreduction(TPY)Capitalcosts($million)Annualizedcosts($million/yr)Costeffectiveness($million/tonHAP)MIR AfterControl(in amillion)House Keeping132----------Large hardchromiumelectroplatingHEPA filter retrofit 132 1 35.1 18.4 17.7 6House Keeping658----------HEPA filter retrofit 658 0.4 66 33.9 84.9 6Small hardchromiumelectroplatingCMP retrofit 392 0.2 36.6 11.1 59.7 10House Keeping740----------HEPA filter retrofit 740 0.1 109 50.6 513.9 4DecorativechromiumelectroplatingCMP retrofit 644 0.051 41.3 22.2 886.1 10House Keeping------------HEPA filter retrofit 240 0.02 43.9 18.9 945 < 1-ChromiumElectroplatingChromiumanodizingCMP retrofit 198 0.0091 16.1 7.4 1,860 2MACT floor -current emissionslevel1000----EpichlorohydrinElastomerProductionBeyond the floor -back-end controldevice with 98%reduction1 35 0.6 1.1 0.03 NA*Polymers andResins IPolybutadieneRubbernone proposed------------StyreneButadieneRubbernone proposed------------MACT floor -current emissions1000----NitrileButadieneRubberBeyond the floor -back-end controldevice with 98%reduction1 1.7 1.6 11.4 6.7 NA*MACT floor -current emissions1000----NeopreneRubberBeyond the floor -back-end controldevice with 98%reduction1 22.5 1.3 4.8 0.23 NA*MACT floor -current emissions1 0 0 0 -- --EthylenePropyleneRubberBeyond the floor -front-end incinerator119.61.10.60.007NA*MACT floor - frontend currentemissions1 0 0 0 -- --Beyond the floor -front-end incinerator1300.60.20.008NA*MACT floor - backend currentemissions1 0 0 0 -- --Butyl RubberBeyond the floor -back-end controldevice with 98%reduction1260.20.20.007NA*MACT floor - frontend currentemissions1 0 0 0 -- --HalobutylRubberBeyond the floor -front-end incinerator1761.10.60.007NA*MACT floor - backend currentemissions1000----Beyond the floor -back-end controldevice with 98%reduction1 41 1 1.6 0.05 NAGasoline loadingthreshold 5 millionbbl/yr0 0 0 0 -- --Gasoline loadingthreshold 1 millionbbl/yr5419022140.07NA*Marine TankVesselLoadingOperationsSubcategories(1) facilitiesemitting under10/25 TPY ofHAP(2) facilitieslocated morethan 0.5 milesfrom shoreGasoline loadingthreshold 0.5 millionbbl/yr88 240 36 20 0.09 NA*Pharmaceuticals Productionnone proposed------------Printing and Publishing Industrynone proposed------------Steel Picklingnone proposed------------*Information not available - MIR after controls not estimated