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Weapons of Mass Destruction (WMD)

Table 4-15. Summary of chemical hazards associated with the no-action alternative estimated to exceed ERPG-2a values.



Chemical name
Appendix F table referenceb
100-meter concentration (mg/m3)c
640-meter concentration (mg/m3)
Offsite concentration (mg/m3)
 Reference concentrations

ERPG-2 ERPG-3
(mg/m3) (mg/m3)

Nitric acid
F-6
830d1002 3977
Nitrogen dioxide
F-7
79.6d0.3390.159 1.8856.4
Oxalic acid
F-7
2761.180.552 5500
Nitric acid
F-7
181d0.7710.361 38.777.3
Benzene
F-18
670
(e)
 0.421609,600
Cadmium
F-18
2.7
(e)
 0.00170.25500
Chromium
F-18
2.7
(e)
 0.00172.5(f)
Lead
F-18
160
(e)
 0.100.25700
MercuryMercury
F-18
15
(e)
 0.00940.2028
Methyl ethyl ketone
F-18
1,800
(e)
1.18451.01´104
Benzeneg
F-19
1.40´104d 6105.7160 9,600
Benzeneg
F-19
1.02´104d 1,21015.4160 9,600
Beryllium
F-25
16.7d
(e)
0.008230.0110
Cadmium
F-25
333d
(e)
 0.1650.2550
Chloroform
F-25
8,330d
(e)
4.114884,880
Chromium
F-25
16.7
(e)
 0.008232.5(f)
Copper
F-25
66.7
(e)
 0.03295(f)
Lead
F-25
66.7
(e)
 0.3290.25700
Lead nitrate
F-25
16.7
(e)
 0.008230.25700
Mercuric nitrate
F-25
16.7
(e)
 0.008230.228
MercuryMercury
F-25
16.7
(e)
 0.008230.228
Nickel nitrate
F-25
16.7
(e)
 0.008235(f)
Silver nitrate
F-25
16.7
(e)
 0.008230.5(f)
Sodium chromate
F-25
16.7
(e)
 0.008230.2530
Toluene
F-25
8,330d
(e)
4.117547,450
Uranyl nitrate
F-25
16.7
(e)
 0.008230.2530

a. Emergency Response Planning Guidelines. (See glossary.)

b. Analyses regarding specific chemical releases are provided in the referenced Appendix F tables.

c. Milligrams per cubic meter of air.

d. Concentration at 100 meters (328 feet) exceeds ERPG­3 values.

e. Airborne concentrations at 640 meters (2,100 feet) were not available from existing safety documentation.

f. No equivalent value found.

g. Benzene appears twice under the F-19 category due to different accident initiators: explosion or tornado.



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