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

RISK-BASED INSPECTION METHODOLOGY, PART 3—CONSEQUENCE OF FAILURE METHODOLOGY 3-63
Table 4.13M—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 3.4531 0.9411 N/A N/A
3 9.55 1.15 N/A N/A
5 60.09 1.06 N/A N/A
Carbon
monoxide (CO)
10 189.42 1.13 N/A N/A
20 651.49 1.11 N/A N/A
40 1,252.67 1.17 N/A N/A
60 1,521.89 1.21 N/A N/A
3 47.39 1.09 N/A N/A
5 123.67 1.15 N/A N/A
Hydrogen
chloride (HCL)
10 531.45 1.10 N/A N/A
20 950.02 1.18 N/A N/A
40 1,851.8 1.20 N/A N/A
60 2,118.87 1.23 N/A N/A
3 13,230.9 1.25 1,114.96 1.08
5 17,146 1.25 2,006.1 1.02
Nitric acid
10 23,851.3 1.24 2,674.47 1.06
20 31,185 1.23 4,112.65 1.06
40 35,813.7 1.22 6,688.99 1.06
60 38,105.8 1.22 9,458.29 1.12
3 1,071.74 0.70 430 0.98
5 1,466.57 0.68 610.31 1.04
Nitrogen dioxide
(NO2)
10 1,902.9 0.68 1,340.93 1.07
20 2,338.76 0.72 3,020.54 1.08
40 3621.1 0.70 6,110.67 1.12
60 4,070.48 0.71 9,455.68 1.13
3 3,095.33 1.20 733.39 1.06
5 5,918.49 1.29 1,520.02 1.10
Phosgene
10 12,129.3 1.24 4,777.72 1.12
20 27,459.6 1.27 14,727.5 1.16
40 63,526.4 1.30 42,905 1.20
60 96,274.2 1.31 77,287.7 1.23