API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

RISK-BASED INSPECTION METHODOLOGY, PART 3—CONSEQUENCE OF FAILURE METHODOLOGY 3-61
Table 4.13—Continuous Gas and Liquid Release Toxic Consequence Equation Constants
for Miscellaneous Chemicals
Chemical
Release
Duration
(Minutes)
Gas Release Constants
Liquid Release Constants
e f e f
Aluminum
chloride (AlCl3)
All 17.663 0.9411 N/A N/A
3 41.412 1.15 N/A N/A
5 279.79 1.06 N/A N/A
Carbon
monoxide (CO)
10 834.48 1.13 N/A N/A
20 2,915.9 1.11 N/A N/A
40 5,346.8 1.17 N/A N/A
60 6,293.7 1.21 N/A N/A
3 215.48 1.09 N/A N/A
5 536.28 1.15 N/A N/A
Hydrogen
chloride (HCl)
10 2,397.5 1.10 N/A N/A
20 4,027.0 1.18 N/A N/A
40 7,534.5 1.20 N/A N/A
60 8,625.1 1.23 N/A N/A
3 53,013 1.25 5,110.0 1.08
5 68,700 1.25 9,640.8 1.02
Nitric acid
10 96,325 1.24 12,453 1.06
20 126,942 1.23 19,149 1.06
40 146,941 1.22 31,145 1.06
60 156,345 1.22 41,999 1.12
3 6,633.1 0.70 21,32.9 0.98
5 9,221.4 0.68 2,887.0 1.04
Nitrogen dioxide
(NO2)
10 11,965 0.68 6,194.4 1.07
20 14,248 0.72 13,843 1.08
40 22,411 0.70 27,134 1.12
60 24,994 0.71 41,657 1.13
3 12,902 1.20 3,414.8 1.06
5 22,976 1.29 6,857.1 1.10
Phosgene
10 48,985 1.24 21,215 1.12
20 108,298 1.27 63,361 1.16
40 244,670 1.30 178,841 1.20
60 367,877 1.31 314,608 1.23