{"data":{"id":"us/46-cfr-table-151.05-to-subpart-151.05-of-part-151","jurisdiction":"us","citation":"46 CFR Table 151.05 to Subpart 151.05 of Part 151","heading":"Table 151.05 to Subpart 151.05 of Part 151—Summary of Minimum Requirements","body":"Cargo identification1 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\nCargo name Pressure Temp. Type Vent Gauging device Piping class Control Cargo tanks Cargo handling space\na. b. c. d. e. f. g. h. i. j. k. l. m. n. o. p. q.\nAcetaldehyde 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\nAcetic 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\nAcetic 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\nAcetone 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\nAcetonitrile Atmos. Amb. III 1 i 2 i i Integral Gravity PV Restr. II G-1 NR Vent F Yes No I-D NA G\nAcrylic 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\nAcrylonitrile 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\nAdiponitrile Atmos. Amb. II 1 i i 2 i Integral Gravity PV Open II G-1 NR Vent F Yes No I-D NA G\nAlkylbenzenesulfonic 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\nAlkyl(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\nAllyl 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\nAllyl 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\nAluminum 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\nAminoethylethanolamine Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes .55-1(b) NA NA G\nAmmonia, 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\nAmmonia, 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\nAmmonium 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\nAmmonium 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\nAniline 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\nAnthracene 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\nArgon, 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\nBenzene 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\nBenzene 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\nBenzene 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\nBenzene, 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\nButadiene 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\nButadiene, 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\nButyl 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\nButylamine (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\nButyl 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\nButyraldehyde (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\nCamphor 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\nCarbolic 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\nCarbon 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\nCarbon 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\nCarbon tetrachloride Atmos. Amb. III 1 i 2 i Integral Gravity PV Open II G-1 NR Vent N No No NA NA G\nCashew 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\nCaustic 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\nCaustic 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\nChlorine 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\nChlorobenzene Atmos. Amb. III 1 i 2 i i Integral Gravity PV Open II G-1 NR Vent N Yes No I-D NA G\nChloroform Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent F No No NA NA G\nChlorohydrins (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\no-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\nChlorosulfonic 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\nCoal 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\nCoal 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\nCreosote Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes No NA NA G\nCresols (all isomers) Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes No NA NA G\nCresols with less than 5% Phenol, see Cresols (all isomers)\nCresols with 5% or more Phenol, see Phenol\nCresylate 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\nCresylic acid, sodium salt solution, see Cresylate spent caustic\nCrotonaldehyde 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\nCyclohexanone 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\nCyclohexanone, 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\nCyclohexylamine 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\nCyclopentadiene, 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\niso-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\nDichlorobenzene (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\nDichlorodifluoromethane Press. Amb. III 1NA 2 i Ind. Pressure SR Restr. II P-1 NR NR No No NA NA G\n1,1-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\n2,2′-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\nDichloromethane Atmos. Amb. III 1 i 2 i Integral Gravity PV Restr. II G-1 NR Vent F No No I-D NA G\n2,4-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\n2,4-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\n2,4-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\n1,1-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\n1,2-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\n1,3-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\n1,3-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\nDichloropropene, 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\n2,2-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\nDiethanolamine Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes .55-1(c) NA NA G\nDiethylamine 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\nDiethylenetriamine Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes .55-1(c) NA NA G\nDiethyl ether, see Ethyl ether\nDiisobutylamine 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\nDiisopropanolamine Atmos. Amb. III 1 i 2 i Integral Gravity Open Open II G-1 NR Vent N Yes .55-1(c) NA NA G\nDiisopropylamine 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\nN,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\nDimethylamine 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\nDimethylethanolamine 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\nDimethylformamide 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\n1,4-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\nDiphenylmethane 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\nDi-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\nDodecyl- 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\nDodecyl 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\nEpichlorohydrin 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\nEthanolamine 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\nEthyl 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\nEthylamine 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\nN-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\nEthyl chloride Press. Amb. II 1NA 2 i i Ind. Pressure SR Restr. II P-2 NR Vent F Yes No I-D NA 8\nN-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\nEthylene 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\nEthylene cyanohydrin Atmos. Amb. III 1 i 2 i i Integral Gravity Open Open II G-1 NR Vent N Yes No NA NA G\nEthylenediamine 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\nEthylene dibromide Atmos. Amb. II 1 i i 2 i Integral Gravity PV Closed II G-1 NR Vent F No No NA NA G\nEthylene 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\nEthylene 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\nEthylene 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\nEthylene 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\nEthylene 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\nEthyl 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\n2-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\nEthylidene 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\nEthyl 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\n2-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\nFerric 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\nFluorosilicic 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\nFormaldehyde 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\nFormic 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\nFurfural 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\nGlutaraldehyde 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\nGlyoxylic 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\nHexamethylenediamine 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\nHexamethyleneimine 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\nHydrochloric 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\nHydrofluorosilicic acid (25% or less), see Fluorosilicic acid (30% or less)\n2-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\nIsoprene 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\nKraft 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\nMesityl 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\nMethylacetylene, 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\nMethyl 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\nMethylamine 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\nMethyl 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\nMethyl 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\nMethylcyclopentadiene dimer Atmos. Amb. III 1 i 2 i Integral Gravity PV Restr. II G-1 NR Vent F Yes No I-B NA G\nMethyl 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\n2-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\nMethyl 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\n2-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\nalpha-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\nMonochloro- difluoromethane Press. Amb. III 1NA 2 i Ind. Pressure SR Restr. I P-1 NR NR No No NA NA G\nMorpholine 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\nMotor 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\nNitric 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\nNitrobenzene 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\nNitrogen, 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\n1- 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\no-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\nOctyl nitrates (all isomers), see Alkyl(C7-C9) nitrates\nOleum 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\nPentachloroethane Atmos. Amb. III 1 i i 2 i Integral Gravity PV Restr. II G-1 NR Vent F No No NA NA G\n1,3-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\nPerchloroethylene Atmos. Amb. III 1 i 2 i Integral Gravity PV Restr. II G-1 NR Vent F No No NA NA G\nPhenol 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\nPhosphoric 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\nPhosphorus, 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\nPhthalic 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\nPolyethylene 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\nPolymethylene 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\nPotassium hydroxide solution, see Caustic potash solution\niso-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\nPropanolamine (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\nPropionic 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\niso-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\nPropylene 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\niso-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\nPyridine 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\nSodium 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\nSodium 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\nSodium 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\nSodium hydroxide solution, see Caustic soda solution\nSodium 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\nSodium sulfide, hydrosulfide solutions (H2 S 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\nSodium sulfide, hydrosulfide solutions (H2 S 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\nSodium sulfide, hydrosulfide solutions (H2 S 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\nSodium 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\nStyrene 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\nSulfur (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\nSulfur 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\nSulfuric 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\nSulfuric 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\n1,1,2,2-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\nTetraethylenepentamine 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\nTetrahydrofuran 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\nToluenediamine 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\nToluene 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\no-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\n1,2,4-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\n1,1,2-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\nTrichloroethylene Atmos. Amb. III 1 i 2 i Integral Gravity PV Restr. II G-1 NR Vent F No No I-D NA G\n1,2,3-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\nTriethanolamine 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\nTriethylamine 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\nTriethylenetetramine 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\nTriphenylborane (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\nTrisodium 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\nUrea, 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\nValeraldehyde (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\nVanillan 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\nVinyl 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\nVinyl 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\nVinyl 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\nVinylidene 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\nVinyltoluene 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\nFor 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\nSee Table 2 of Part 153 for additional cargoes permitted to be carried by tankbarge.\nTerms and symbols:\nSegregation—Tank—\nLine 1—Segregation of cargo from surrounding waters:\ni = Skin of vessel (single skin) only required. Cargo tank wall can be vessel's hull.\ni i = Double skin required. Cargo tank wall cannot be vessel's hull.\nLine 2—Segregation of cargo space from machinery spaces and other spaces which have or could have a source of ignition:\ni = Single bulkhead only required. Tank wall can be sole separating medium.\ni i = Double bulkhead required. Cofferdam, empty tank, pumproom, tank with Grade E Liquid (if compatible with cargo) is satisfactory.\nInternal tank inspection—\nG—Indicates cargo is subject to general provisions of 151.04-5(b).\nSpecific numbers in this column are changes from the general provisions.\nAbbreviations used:\nTank type: Ind = Independent.\nVent:\nPV = Pressure vacuum valve.\nSR = Safety relief.\nGauging device: Restr. = Restricted.\nGeneral usage:\nNR = No requirement.\nNA = Not applicable.\n1. The provisions contained in 46 CFR Part 197, subpart C, apply to liquid cargoes containing 0.5% or more benzene by volume.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 151—BARGES CARRYING BULK LIQUID HAZARDOUS MATERIAL CARGOES","Subpart 151.05—Summary of Minimum Requirements for Specific Cargoes"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"9dc417ce562a1d97bf6db5e165ef976604ee040a903783fb09c2af5c0f8b8829","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-151.05-2","next":"us/46-cfr-151.10-1"},"notice":"GroundRules: Original legal text. Not legal advice."}