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

County:      FRESNO


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 210 0.140 0 490 570
CARBON TETRACHLORIDE 36 0.0210 0.024 0 0
BENZENE 23 0.0130.034 140 220 140
POLYCYCLIC ORGANIC MATTER (POM) 9.9 --0 28 0.13 0.011
CHROMIUM 5.7 0.00480.00028 0.71 0.019 0.069
1,3-BUTADIENE 3.5 0.00100 42 34 2.8
FORMALDEHYDE 3.4 0.190.059 270 180 220
1,3-DICHLOROPROPENE (MIXED ISOMERS) 1.4 0.00450 60 0 0
TETRACHLOROETHYLENE 1.3 0.00560 86 0 0
1,2-DICHLOROETHANE 1.3 0.000140 0.34 0 0
ACETALDEHYDE 0.77 0.0320 43 51 100
1,2-DIBROMOETHANE 0.53 0.00930 0.0016 0 0
CHLOROFORM 0.41 0.000260 0.94 0 0
ETHYLENE OXIDE 0.36 0.000140 2.2 0 0
DICHLOROMETHANE 0.30 0.000749.6 130 0 0
ACRYLONITRILE 0.20 0.000340 2.8 0 0
TRICHLOROETHYLENE 0.18 0.000150 17 0 0
NICKEL 0.17 0.0130.00021 5.8 0.015 0.036
ARSENIC 0.12 0.00130.0020 0.040 0.00035 0.000017
VINYL CHLORIDE 0.073 0.000190 3.8 0 0
CADMIUM 0.064 0.00180.013 0.069 0 0
HEXACHLOROBENZENE 0.046 0.0000300 0.00043 0 0
BERYLLIUM 0.029 0.0120.00021 0.015 0 0
1,1,2,2-TETRACHLOROETHANE 0.022 0.000000140 1.5 0 0
LEAD 0.013 0.00710.18 0.85 0.026 0.30
1,2-DICHLOROPROPANE 0.0010 0.0000100 0.17 0 0
QUINOLINE 0 --0 0.000037 0 0
HYDRAZINE 0 0.0000000360 0.000016 0 0
MERCURY -- 0.000570.000028 0.038 0.00026 0.019
MANGANESE -- 0.0150.0064 2.0 0.0081 0.077
ACROLEIN -- 0.750 48 13 17

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).