| Cargo identification
1
| Hull
type
| Cargo segre-
gation
tank
| Tanks
| Cargo transfer
| Environmental
control
| Fire
protection required
| Special requirements in 46 CFR Part 151
| Electrical hazard class and group
| Temp. control install.
| Tank internal inspect. period—years
|
|---|
| Cargo name
| Pressure
| Temp.
| Type
| Vent
| Gauging device
| Piping class
| Control
| Cargo tanks
| Cargo handling space
|
|---|
| a. | b. | c. | d. | e. | f. | g. | h. | i. | j. | k. | l. | m. | n. | o. | p. | q.
|
| Acetaldehyde | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-1 | Inert | Vent F | Yes | .55-1(h) | I-C | NA | G
|
| Acetic acid | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-73
.55-1(g) | I-D | NA | G
|
| Acetic anhydride | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-73
.55-1(g) | I-D | NA | G
|
| Acetone cyanohydrin | Atmos. | Amb. | I | 1 i i
2 i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-70(b)
.50-73
.50-81 | I-D | NA | G
|
| Acetonitrile | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| Acrylic acid | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-73
.50-81
.58-1(a) | I-D | NA | G
|
| Acrylonitrile | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .55-1(e)
.50-70(a) | I-D | NA | G
|
| Adiponitrile | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Open | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| Alkylbenzenesulfonic acid (greater than 4%) | Atmos. | Elev. | III | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-73
.58-1(e) | I-B | NA | G
|
| Alkyl(C7-C9) nitrates | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-81
.50-86 | NA | NA | G
|
| Allyl alcohol | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-C | NA | G
|
| Allyl chloride | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5 | I-D | NA | G
|
| Aluminum sulfate solution | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .58-1(e) | NA | NA | G
|
| Aminoethylethanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(b) | NA | NA | G
|
| Ammonia, anhydrous | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR250
p.s.i. | Restr. | II | P-2 | NR | Vent F | No | .50-30
.50-32 | I-D | NA | G
|
| Ammonia, anhydrous | Atmos. | Low | II | 1NA
2 i i | Ind. Gravity | PV | Restr. | II-L | G-2 | NR | Vent F | No | .50-30
.50-32 | I-D | .40-
1(b)(1) | 8
|
| Ammonium bisulfite solution (70% or less) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-73
.56-1(a), (b), (c) | NA | NA | G
|
| Ammonium hydroxide (28% or less NH 3) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .56-1(a), (b), (c), (f), (g) | I-D | NA | G
|
| Aniline | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | G
|
| Anthracene oil (Coal tar fraction) | Atmos. | Amb.
Elev. | II | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | I-D | NA | G
|
| Argon, liquefied | Press. | Low | III | 1NA
2 i | Ind. Pressure | SR | Restr. | II-L | P-1 | NR | Vent F | No | .40-1(a)
.50-30
.50-36 | NA | .40-1(a) | G
|
| Benzene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-60 | I-D | NA | G
|
| Benzene hydrocarbon mixtures (containing Acetylenes) (having 10% Benzene or more) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-60
.56-1(b), (d), (f), (g), | I-D | NA | G
|
| Benzene hydrocarbon mixtures (having 10% Benzene or more) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-60 | I-D | NA | G
|
| Benzene, Toluene, Xylene mixtures (having 10% Benzene or more) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-60 | I-D | NA | G
|
| Butadiene | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | NR | Vent F | Yes | .50-70(a)
.50-73 | I-B | NA | G
|
| Butadiene, Butylene mixtures (containing Acetylenes) | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-1 | NR | Vent F | Yes | .50-30
.50-70(a)
.50-73
.56-1(b), (d), (f), (g) | I-B | NA | G
|
| Butyl acrylate (all isomers) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Butylamine (all isomers) | Atmos. | Amb. | II | 1 i i
2 i i | Ind. Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-D | NA | G
|
| Butyl methacrylate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Butyraldehyde (all isomers) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Open | II | G-1 | NR | Vent F | Yes | .55-1(h) | I-C | NA | G
|
| Camphor oil (light) | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | I-D | NA | G
|
| Carbolic oil | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | NA | NA | G
|
| Carbon dioxide, liquefied | Press. | Low | III | 1NA
2 i | Ind. Pressure | SR | Restr. | I-L | P-1 | NR | Vent F | No | .50-30 | NA | .40-1(b)(1) | G
|
| Carbon disulfide | Atmos. | Amb. | II | 1NA
2 i i | Ind. Gravity | PV | Restr. | II | G-1 | Inert | Vent F | Yes | .50-40
.50-41 | I-A | NA | G
|
| Carbon tetrachloride | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Open | II | G-1 | NR | Vent N | No | No | NA | NA | G
|
| Cashew nut shell oil (untreated) | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-2 | NR | Vent N | Yes | .50-73 | NA | NA | G
|
| Caustic potash solution | Atmos. | Amb.
Elev. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.55-1(j) | NA | NA | G
|
| Caustic soda solution | Atmos. | Amb.
Elev. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.55-1(j) | NA | NA | G
|
| Chlorine | Press. | Amb. | I | 1NA
2 i i | Ind. Pressure | SR300
p.s.i. | Indirect | I | P-2 | NR | Vent F | No | .50-30
.50-31 | NA | NA | 3
|
| Chlorobenzene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Open | II | G-1 | NR | Vent N | Yes | No | I-D | NA | G
|
| Chloroform | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent F | No | No | NA | NA | G
|
| Chlorohydrins (crude) | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5 | I-D | NA | G
|
| o-Chloronitrobenzene | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | NA | NA | G
|
| Chlorosulfonic acid | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Open | II | G-1 | NR | Vent N | No | .50-20
.50-21
.50-73 | I-B | NA | G
|
| Coal tar naphtha solvent | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-73 | I-D | NA | G
|
| Coal tar pitch (molten) | Atmos. | Elev. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-73 | I-D | NA | G
|
| Creosote | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | NA | NA | G
|
| Cresols (all isomers) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | NA | NA | G
|
| Cresols with less than 5% Phenol, see Cresols (all isomers)
| | | | | | | | | | | | | | | | |
| Cresols with 5% or more Phenol, see Phenol
| | | | | | | | | | | | | | | | |
| Cresylate spent caustic | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-73
.55-1(b) | NA | NA | G
|
| Cresylic acid, sodium salt solution, see Cresylate spent caustic
| | | | | | | | | | | | | | | | |
| Crotonaldehyde | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(h) | I-C | NA | G
|
| Cyclohexanone | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(a), (b) | I-D | NA | G
|
| Cyclohexanone, Cyclohexanol mixture | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(b) | I-D | NA | G
|
| Cyclohexylamine | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(a), (b), (c), (g) | I-D | NA | G
|
| Cyclopentadiene, Styrene, Benzene mixture | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent F | Yes | .50-60
.56-1(b) | I-D | NA | G
|
| iso-Decyl acrylate | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-70(a)
.50-81(a), (b)
.55-1(c) | NA | NA | G
|
| Dichlorobenzene (all isomers) | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(a), (b) | I-D | NA | G
|
| Dichlorodifluoromethane | Press. | Amb. | III | 1NA
2 i | Ind. Pressure | SR | Restr. | II | P-1 | NR | NR | No | No | NA | NA | G
|
| 1,1-Dichloroethane | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 2,2′-Dichloroethyl ether | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(f) | I-C | NA | G
|
| Dichloromethane | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | No | I-D | NA | G
|
| 2,4-Dichlorophenoxy acetic acid, diethanolamine salt solution | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .56-1(a), (b), (c), (g) | NA | NA | G
|
| 2,4-Dichlorophenoxyacetic acid, dimethylamine salt solution | Atmos. | Amb.
Elev. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .56-1(a), (b), (c), (g) | NA | NA | G
|
| 2,4-Dichlorophenoxyacetic acid, triisopropanolamine salt solution | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .56-1(a), (b), (c), (g) | NA | NA | G
|
| 1,1-Dichloropropane | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 1,2-Dichloropropane | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 1,3-Dichloropropane | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 1,3-Dichloropropene | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| Dichloropropene, Dichloropropane mixtures | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 2,2-Dichloropropionic acid | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | Dry | Vent F | Yes | .50-73
.58-1(e) | NA | NA | G
|
| Diethanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | NA | NA | G
|
| Diethylamine | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-C | NA | G
|
| Diethylenetriamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | NA | NA | G
|
| Diethyl ether, see Ethyl ether
| | | | | | | | | | | | | | | | |
| Diisobutylamine | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-C | NA | G
|
| Diisopropanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | NA | NA | G
|
| Diisopropylamine | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-C | NA | G
|
| N,N-Dimethylacetamide | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(b) | I-D | NA | G
|
| Dimethylamine | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | NR | Vent F | Yes | .55-1(c) | I-C | NA | G
|
| Dimethylethanolamine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(b), (c) | I-C | NA | G
|
| Dimethylformamide | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(e) | I-D | NA | G
|
| 1,4-Dioxane | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | Inert | Vent F | Yes | No | I-C | NA | G
|
| Diphenylmethane diisocyanate | Atmos. | Elev. | II | 1 i i
2 i | Integral Gravity | PV | Closed | I | G-1 | Inert
Dry | Vent F | Yes | .50-5
.56-1(a), (b) | NA | Yes | G
|
| Di-n-propylamine | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-C | NA | G
|
| Dodecyl- dimethyl- amine, Tetradecyldimethylamine mixture | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .56-1(b) | NA | NA | G
|
| Dodecyl phenol | Atmos. | Amb. | I | 1 i i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-73 | I-D | NA | 2
|
| Epichlorohydrin | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5 | I-C | NA | G
|
| Ethanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | I-D | NA | G
|
| Ethyl acrylate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Ethylamine solution (72% or less) | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .55-1(b) | I-D | NA | G
|
| N-Ethylbutylamine | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(b) | I-C | NA | G
|
| Ethyl chloride | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | NR | Vent F | Yes | No | I-D | NA | 8
|
| N-Ethylcyclohexylamine | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(b) | I-C | NA | G
|
| Ethylene chlorohydrin | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | G
|
| Ethylene cyanohydrin | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | NA | NA | G
|
| Ethylenediamine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-D | NA | G
|
| Ethylene dibromide | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | No | No | NA | NA | G
|
| Ethylene dichloride | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
Ethylene glycol monoalkyl ethers
Including:
2-Ethoxyethanol
Ethylene glycol butyl ether
Ethylene glycol tert-butyl ether
Ethylene glycol ethyl ether
Ethylene glycol methyl ether
Ethylene glycol n-propyl ether
Ethylene glycol isopropyl ether | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-C | NA | G
|
| Ethylene glycol hexyl ether | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | NA | NA | G
|
| Ethylene glycol propyl ether | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | No | NA | NA | G
|
| Ethylene oxide | Press. | Amb. | I | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | Inert | Vent F | Yes | .50-10
.50-12 | I-B | .40-1(c) | 4
|
| Ethyl ether | Atmos. | Amb. | II | 1NA
2 i i | Ind. Gravity | PV | Closed | II | G-1 | Inert | Vent F | Yes | .50-40
.50-42 | I-C | NA | G
|
| 2-Ethylhexyl acrylate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Ethylidene norbornene | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-5
.50-74 | NA | NA | G
|
| Ethyl methacrylate | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a) | I-D | NA | G
|
| 2-Ethyl-3-propylacrolein | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-C | NA | G
|
| Ferric chloride solutions | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-20
.50-75 | I-B | NA | G
|
| Fluorosilicic acid (30% or less) | Atmos. | Amb. | II | 1 i i
2 i i | Ind. Gravity | PV | Closed | II | G-1 | NR | Vent F | No | .50-20
.50-22
.50-73
.50-77 | I-B | NA | 4
|
| Formaldehyde solution (37% to 50%) | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .55-1(h) | I-B | NA | G
|
| Formic acid | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-73
.55-1(i) | I-D | NA | G
|
| Furfural | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(h) | I-C | NA | G
|
| Glutaraldehyde solution (50% or less) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | No | NA | NA | G
|
| Glyoxylic acid solution (50% or less) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-73
.50-81
.58-1(e) | NA | NA | G
|
| Hexamethylenediamine solution | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-D | NA | G
|
| Hexamethyleneimine | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .56-1(b), (c) | I-C | NA | G
|
| Hydrochloric acid | Atmos. | Amb. | III | 1NA
2 i i | Ind. Gravity | Open | Open | II | G-1 | NR | Vent F | No | .50-20
.50-22
.50-73 | I-B | NA | 4
|
| Hydrofluorosilicic acid (25% or less), see Fluorosilicic acid (30% or less)
| | | | | | | | | | | | | | | | |
| 2-Hydroxyethyl acrylate | Atmos. | Amb. | I | 1 i i
2 i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-70(a)
.50-73
.50-81(a), (b) | NA | NA | G
|
| Isoprene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Open | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Kraft pulping liquors (free alkali content 3% or more) (including: Black, Green, or White liquor) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.56-1(a), (c), (g) | NA | NA | G
|
| Mesityl oxide | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| Methylacetylene, Propadiene mixture | Press. | Amb. | III | 1 NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | NR | Vent F | Yes | .50-79 | I-C | NA | G
|
| Methyl acrylate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Methylamine solution (42% or less) | Atmos. | Amb. | II | 1NA
2 i i | Ind. Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .56-1(a), (b), (c), (g) | I-D | NA | G
|
| Methyl bromide | Press. | Amb. | I | 1NA
2 i i | Ind. Pressure | SR | Closed | I | P-2 | NR | Vent F | Yes | .50-5 | I-D | NA | 2
|
| Methyl chloride | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-2 | NR | Vent F | Yes | .55-1(c) | I-D | NA | 8
|
| Methylcyclopentadiene dimer | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-B | NA | G
|
| Methyl diethanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .56-1(b), (c) | I-C | NA | G
|
| 2-Methyl-5-ethylpyridine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(e) | I-D | NA | G
|
| Methyl methacrylate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| 2-Methylpyridine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-D | NA | G
|
| alpha-Methylstyrene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Monochloro- difluoromethane | Press. | Amb. | III | 1NA
2 i | Ind. Pressure | SR | Restr. | I | P-1 | NR | NR | No | No | NA | NA | G
|
| Morpholine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | I-C | NA | G
|
| Motor fuel anti-knock compounds (containing lead alkyls) | Atmos. | Amb. | I | 1 i i
2 i i | Ind. Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-6
.50-73 | I-D | NA | .50-6
|
| Nitric acid (70% or less) | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .50-20
.50-73
.50-80 | I-B | NA | 4
|
| Nitrobenzene | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | G
|
| Nitrogen, liquefied | Press. | Low | III | 1NA
2 i | Ind. Pressure | SR | Restr. | II-L | P-1 | NR | Vent F | No | .40-1(a)
.50-30
.50-36 | NA | .40-1(a) | G
|
| 1- or 2-Nitropropane | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-81 | I-C | NA | G
|
| o-Nitrotoluene | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | G
|
| Octyl nitrates (all isomers), see Alkyl(C7-C9) nitrates
| | | | | | | | | | | | | | | | |
| Oleum | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-20
.50-21
.50-73 | I-B | NA | 4
|
| Pentachloroethane | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | No | NA | NA | G
|
| 1,3-Pentadiene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81 | I-D | NA | G
|
| Perchloroethylene | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | No | NA | NA | G
|
| Phenol | Atmos. | Amb. | I | 1 i i
2 i | Integral Gravity | PV | Closed | I | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | 2
|
| Phosphoric acid | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-20
.50-23
.50-73 | I-B | NA | 4
|
| Phosphorus, white (elemental) | Atmos. | Elev. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | Water
Pad | Vent F | Yes | .50-50 | NA | NA | 4-8
|
| Phthalic anhydride (molten) | Atmos. | Elev. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| Polyethylene polyamines | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(e) | NA | NA | G
|
| Polymethylene polyphenyl isocyanate | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Closed | II | G-1 | Dry | Vent F | Yes | .55-1(e) | NA | NA | G
|
| Potassium hydroxide solution, see Caustic potash solution
| | | | | | | | | | | | | | | | |
| iso-Propanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | I-D | NA | G
|
| Propanolamine (iso-, n-) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .56-1(b), (c) | I-D | NA | G
|
| Propionic acid | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-73
.55-1(g) | I-D | NA | G
|
| iso-Propylamine | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .55-1(c) | I-D | NA | G
|
| Propylene oxide | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Restr. | II | P-1 | Inert | Vent F | Yes | .50-10
.50-13 | I-B | NA | G
|
| iso-Propyl ether | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | Inert | Vent F | Yes | .50-70(a) | I-D | NA | G
|
| Pyridine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(e) | I-D | NA | G
|
| Sodium aluminate solution (45% or less) | Atmos. | Amb.
Elev. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.56-1(a), (b), (c) | NA | NA | G
|
| Sodium chlorate solution (50% or less) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-73 | NA | NA | G
|
| Sodium dichromate solution (70% or less) | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | Open | Closed | II | G-1 | NR | Vent N | No | .50-5(d)
.50-73
.56-1(b), (c) | NA | NA | G
|
| Sodium hydroxide solution, see Caustic soda solution
| | | | | | | | | | | | | | | | |
| Sodium hypochlorite solution (20% or less) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .50-73
.56-1(a), (b) | NA | NA | G
|
| Sodium sulfide, hydrosulfide solutions (H2S 15ppm or less) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-73
.55-1(b) | NA | NA | G
|
| Sodium sulfide, hydrosulfide solutions (H2S greater than 15ppm but less than 200ppm) | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .50-73
.55-1(b) | NA | NA | G
|
| Sodium sulfide, hydrosulfide solutions (H2S greater than 200ppm) | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | No | .50-73
.55-1(b) | NA | NA | G
|
| Sodium thiocyanate solution (56% or less) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .58-1(a) | NA | NA | G
|
| Styrene monomer | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Sulfur (molten) | Atmos. | Elev. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | Vent N | Vent N | Yes | .50-55 | I-C | .40-
1(f)(1) | G
|
| Sulfur dioxide | Press. | Amb. | I | 1NA
2 i i | Ind. Pressure | SR | Closed | | P-2 | NR | Vent F | No | .50-30
.50-84
.55-1(j) | NA | NA | 2
|
| Sulfuric acid | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-20
.50-21
.50-73 | I-B | NA | 4
|
| Sulfuric acid, spent | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | No | .50-20
.50-21
.50-73 | I-B | NA | 4
|
| 1,1,2,2-Tetrachloroethane | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | No | NA | NA | G
|
| Tetraethylenepentamine | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(c) | I-C | NA | G
|
| Tetrahydrofuran | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(b) | I-C | NA | G
|
| Toluenediamine | Atmos. | Elev. | II | 1 i i
2 i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-73
.56-1(a), (b), (c), (g) | NA | NA | G
|
| Toluene diisocyanate | Atmos. | Amb. | I | 1 i i
2 i i | Integral Gravity | PV | Closed | I | G-1 | Dry
N 2 | Vent F | Yes | .50-5
.55-1(e) | I-D | NA | G
|
| o-Toluidine | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Closed | II | G-1 | NR | Vent F | Yes | .50-5
.50-73 | I-D | NA | G
|
| 1,2,4-Trichlorobenzene | Atmos. | Amb. | III | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | No | I-D | NA | G
|
| 1,1,2-Trichloroethane | Atmos. | Amb. | III | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .50-73
.56-1(a) | I-D | NA | G
|
| Trichloroethylene | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | No | I-D | NA | G
|
| 1,2,3-Trichloropropane | Atmos. | Amb. | II | 1 i i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-73
.56-1(a) | I-D | NA | G
|
| Triethanolamine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(b) | I-C | NA | G
|
| Triethylamine | Atmos. | Amb. | II | 1 i i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .55-1(e) | I-C | NA | G
|
| Triethylenetetramine | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | Vent N | Yes | .55-1(b) | I-C | NA | G
|
| Triphenylborane (10% or less), Caustic soda solution | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .56-1(a), (b), (c) | NA | NA | G
|
| Trisodium phosphate solution | Atmos. | Amb.
Elev. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.56-1(a), (c) | NA | NA | G
|
| Urea, Ammonium nitrate solution (containing more than 2% NH 3) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | No | .56-1(b) | I-D | NA | G
|
| Valeraldehyde (all isomers) | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | Inert | Vent F | Yes | No | I-C | NA | G
|
| Vanillan black liquor (free alkali content 3% or more) | Atmos. | Amb. | III | 1 i
2 i | Integral Gravity | Open | Open | II | G-1 | NR | NR | No | .50-73
.56-1(a), (c), (g) | NA | NA | G
|
| Vinyl acetate | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Open | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Vinyl chloride | Press. | Amb. | II | 1NA
2 i i | Ind. Pressure | SR | Closed | II | P-2 | NR | Vent F | Yes | .50-30
.50-34 | I-D | NA | 8
|
| Vinyl chloride | Atmos. | Low | II | 1NA
2 i i | Ind. Gravity | PV | Closed | II-L | G-2 | NR | Vent F | Yes | .50-30
.50-34 | I-D | .40-
1(b)(1) | 8
|
| Vinylidene chloride | Atmos. | Amb. | II | 1NA
2 i i | Ind. Gravity | PV | Closed | II | P-2 | Padded | Vent F | Yes | .55-1(f)
.50-70(a)
.50-81(a), (b) | I-D | NA | G
|
| Vinyltoluene | Atmos. | Amb. | III | 1 i
2 i i | Integral Gravity | PV | Restr. | II | G-1 | NR | Vent F | Yes | .50-70(a)
.50-81
.56-1(a), (b), (c), (g) | I-D | NA | G
|
| For requirements see these sections in Part 151: | | | .10-1 | .13- 5 | .15- 1 | .15-5 | .15- 10 | .20- 1 | .20- 5 | .25-1 | .25-2 | .30 | | 111.105 (Sub-chapter J) | .40 | .04- 5
|