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

County:      HOLMES


HAP Added Cancer Risk (per 1,000,000)
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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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Sorted by Emissions from Nonroad Mobile Sources (tons/yr)

DIESEL EMISSIONS 130 0.0900 0 31 35
FORMALDEHYDE 2.4 0.140 39 11 5.6
BENZENE 17 0.00960 17 22 3.1
ACETALDEHYDE 0.21 0.00870 6.1 3.8 2.8
ACROLEIN -- 0.480 6.5 0.53 0.44
1,3-BUTADIENE 1.9 0.000550 6.1 3.5 0.36
MANGANESE -- 0.000330 0.021 0.00070 0.0022
CHROMIUM 0.11 0.0000900 0.00058 0.0016 0.0020
POLYCYCLIC ORGANIC MATTER (POM) 1.4 --0 1.8 0.011 0.0010
NICKEL 0.0050 0.000360 0.0085 0.0013 0.0010
MERCURY -- 0.0000250 0.00039 0.000023 0.00053
ARSENIC 0.14 0.00140 0.021 0.000030 0.00000047
LEAD 0 0.000110 0.0040 0.0023 0
BERYLLIUM 0.0010 0.000370 0.00014 0 0
CADMIUM 0.0010 0.0000290 0.00023 0 0
VINYL CHLORIDE 0.0010 0.00000320 0.0067 0 0
DICHLOROMETHANE 0.17 0.000410 10 0 0
ETHYLENE OXIDE 0.0070 0.00000250 0.031 0 0
1,2-DICHLOROPROPANE 0 0.000000250 0.00036 0 0
TRICHLOROETHYLENE 0.16 0.000130 0.16 0 0
1,1,2,2-TETRACHLOROETHANE 0 0.00000000230 0.0027 0 0
1,2-DIBROMOETHANE 0.55 0.00960 0.0000027 0 0
1,2-DICHLOROETHANE 1.3 0.000150 0.00065 0 0
CHLOROFORM 0.42 0.000270 0.040 0 0
CARBON TETRACHLORIDE 37 0.0220 0.0068 0 0
1,3-DICHLOROPROPENE (MIXED ISOMERS) 0.060 0.000190 1.7 0 0
HEXACHLOROBENZENE 0.047 0.0000310 0.000037 0 0
TETRACHLOROETHYLENE 0.85 0.00360 1.7 0 0
ACRYLONITRILE 0.0050 0.00000930 0.0070 0 0

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).