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

RISK-BASED INSPECTION METHODOLOGY, PART 3—CONSEQUENCE OF FAILURE METHODOLOGY 3-69
Table 4.18—Fluid Leak Properties
Fluid
MW
Density
(lb/ft 3 )
NBP
(°F)
Fraction Evaporated in 24 Hours a
fract
evap
C1-C2 23 15.639 −193 1.00
C3-C5 58 36.209 31 1.00
C6-C8 100 42.702 210 0.90
C9-C12 149 45.823 364 0.50
C13-C16 205 47.728 502 0.10
C17-C25 280 48.383 651 0.05
C25+ 422 56.187 981 0.02
Acid 18 62.3 212 0.90
H2 2 4.433 −423 1.00
H2S 34 61.993 −75 1.00
HF 20 60.37 68 1.00
CO 28 50 −312 1.00
DEE 74 45 95 1.00
HCL 36 74 −121 1.00
Nitric acid 63 95 250 0.80
NO2 90 58 275 0.75
Phosgene 99 86 181 1.00
TDI 174 76 484 0.15
Methanol 32 50 149 1.00
PO 58 52 93 1.00
Styrene 104 42.7 293 0.60
EEA 132 61 313 0.65
EE 90 58 275 0.75
EG 62 69 387 0.45
EO 44 55 51 1.00
a
Estimated values.