Table 4-75. Estimated
number of excess latent cancers in the offsite population from
nonradiological carcinogens emitted under alternative B.a
| | Concentrationb,c
| | Latent Cancersd
|
Pollutant
| Unit risk factora (latent cancers/ mg/m3)e
| Expected waste forecast
(mg/m3)
| Minimum waste forecast
(mg/m3)
| Maximum waste forecast
(mg/m3)
| |
Expected waste forecastd
|
Minimum waste forecast
|
Maximum waste forecast
|
| Acetaldehyde | 2.2x10-6
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 1.3x10-13
| 6.5x10-14
| 1.2x10-13
|
| Acrylamide | 0.0013
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 7.8x10-11
| 3.8x10-11
| 6.9x10-11
|
| Acrylonitrile | 6.8x10-5
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 4.1x10-12
| 2.0x10-12
| 3.6x10-12
|
| Arsenic Pentoxide | 0.0043
| 7.1x10-7
| 4.6x10-7
| 6.9x10-7
| | 1.3x10-9
| 8.5x10-10
| 1.3x10-9
|
| Asbestos | 0.23
| 2.7x10-8
| 1.5x10-8
| 7.5x10-8
| | 2.7x10-9
| 1.5x10-9
| 7.4x10-9
|
| Benzene | 8.3x10-6
| 0.044
| 0.044
| 0.044
| | 1.6x10-7
| 1.6x10-7
| 1.6x10-7
|
| Benzidine | 0.067
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 4.0x10-9
| 2.0x10-9
| 3.5x10-9
|
| Bis(chloromethyl)ether |
0.062 |
1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 3.7x10-9
| 1.8x10-9
| 3.3x10-9
|
| Bromoform | 1.1x10-6
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 6.6x10-14
| 3.3x10-14
| 5.8x10-14
|
| Carbon Tetrachloride |
1.5x10-5
| 1.2x10-5
| 9.9x10-6
| 1.4x10-5
| | 7.4x10-11
| 6.4x10-11
| 9.3x10-11
|
| Chlordane | 3.7x10-4
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 2.2x10-11
| 1.1x10-11
| 2.0x10-11
|
| Chloroform | 2.3x10-5
| 0.003
| 0.003
| 0.003
| | 3.0x10-8
| 2.9x10-8
| 3.0x10-8
|
| Cr(+6) Compounds | 0.012
| 4.7x10-9
| 2.3x10-9
| 4.1x10-9
| | 2.4x10-11
| 1.2x10-11
| 2.1x10-11
|
| Formaldehyde | 1.3x10-5
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 7.8x10-13
| 3.8x10-13
| 6.9x10-13
|
| Heptachlor | 0.0013
| 3.5x10-7
| 1.7x10-7
| 3.1x10-7
| | 1.9x10-10
| 9.6x10-11
| 1.7x10-10
|
| Hexachlorobenzene | 4.6x10-4
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 2.8x10-11
| 1.4x10-11
| 2.4x10-11
|
| Hexachlorobutadiene |
2.2x10-5
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 1.3x10-12
| 6.5x10-13
| 1.2x10-12
|
| Hydrazine | 0.0049
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 2.9x10-10
| 1.4x10-10
| 2.6x10-10
|
| 1,1,2,2-Tetrachloroethane
| 5.8x10-5
| 2.8x10-6
| 1.4x10-6
| 2.4x10-6
| | 6.9x10-11
| 3.4x10-11
| 6.0x10-11
|
| 1,1,2-Trichloroethane |
1.6x10-5
| 1.4x10-7
| 6.9x10-8
| 1.2x10-7
| | 9.6x10-13
| 4.7x10-13
| 8.4x10-13
|
| Toxaphene | 3.2x10-4
| 3.5x10-7
| 1.7x10-7
| 2.5x10-7
| | 4.8x10-11
| 2.4x10-11
| 3.5x10-11
|
| 1,1 Dichloroethene |
5.0x10-5
| 2.7x10-5
| 2.3x10-5
| 3.4x10-5
| | 5.7x10-10
| 5.0x10-10
| 7.3x10-10
|
| Methylene chloride |
4.7x10-7
| 1.4x10-7
| 9.3x10-8
| 1.4x10-7
| | 2.9x10-14
| 1.9x10-14
| 2.8x10-14
|
| | |
| | TOTAL
| | 2.0x10-7
| 1.9x10-7
| 2.0x10-7
|
a. Source: EPA (1994).
b. Maximum annual boundary-line concentration.
c. Source: Stewart (1994).
d. Latent cancer probability equals unit risk factor
times concentration times 30 years divided by 70 years.
e. Micrograms per cubic meter of air.
f. Under the maximum waste forecast, wastewater would
be treated in the containment building, which would lower the
amount of wastewater going to the Consolidated Incineration Facility.
Therefore, slightly higher impacts would occur in the expected
waste forecast than in the maximum waste forecast.
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