POLLUTION LOCATOR|Hazardous Air Pollutants | 1996 Emissions Data Used to Estimate Exposures

County:      BUTLER


HAP Sorted by Added Cancer Risk (per 1,000,000) Noncancer Hazard Index
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Emissions from Point Sources (tons/yr)
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Emissions from Area Soucres (tons/yr)
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Emissions from Onroad Mobile Sources (tons/yr)
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Emissions from Nonroad Mobile Sources (tons/yr)
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DIESEL EMISSIONS 180 0.120 0 16 16
CARBON TETRACHLORIDE 34 0.0200 0.0039 0 0
BENZENE 16 0.00910 7.2 13 1.6
CHROMIUM 2.8 0.00230 0.012 0.00090 0.0011
FORMALDEHYDE 2.2 0.120 16 6.7 3.1
1,3-BUTADIENE 1.4 0.000430 2.4 1.8 0.19
1,2-DICHLOROETHANE 1.2 0.000140 0.017 0 0
POLYCYCLIC ORGANIC MATTER (POM) 1.2 --0 0.79 0.0062 0.00052
TETRACHLOROETHYLENE 0.80 0.00340 1.1 0 0
1,2-DIBROMOETHANE 0.51 0.00900 0.000079 0 0
CHLOROFORM 0.40 0.000250 0.017 0 0
DICHLOROMETHANE 0.24 0.000600 2.1 0 0
ACETALDEHYDE 0.20 0.00830 2.5 2.3 1.5
TRICHLOROETHYLENE 0.16 0.000130 0.24 0 0
ACRYLONITRILE 0.11 0.000180 0.14 0 0
ARSENIC 0.085 0.000860 0.00036 0.000017 0.00000087
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.074 0.000230 0.93 0 0
NICKEL 0.044 0.00340 0.0094 0.00071 0.00057
HEXACHLOROBENZENE 0.044 0.0000290 0.000017 0 0
VINYL CHLORIDE 0.038 0.0000980 0.19 0 0
1,1,2,2-TETRACHLOROETHANE 0.012 0.0000000730 0.079 0 0
ETHYLENE OXIDE 0.0080 0.00000300 0.00067 0 0
CADMIUM 0.0070 0.000200 0.00015 0 0
BERYLLIUM 0.0020 0.000970 0.000087 0 0
LEAD 0.0010 0.000310 0.0034 0.0013 0
1,2-DICHLOROPROPANE 0 0.00000550 0.0086 0 0
ACROLEIN -- 0.380 2.6 0.26 0.25
MERCURY -- 0.000110 0.00026 0.000013 0.00029
MANGANESE -- 0.00990 0.031 0.00039 0.0012

NOTE: The National-Scale Air Toxics Assessment (NATA) provides only aggregate data on 1996 point source releases in an area. To help identify sepcific companies which may be responsible for these releases, Scorecard disaggregates summary point source data to facility-level data based on the 2002 Toxics Releases Inventory (TRI). NATA and TRI data for an area often differ, because they involve different reporting years (1996 vs. 2002) and aggregation methods (NATA often includes point source emissions from outside geopolitical boundaries, since these can impact estimated exposures in an area).