T20T-CodesExcerpts from 49 CFR §172.102. Verify against the current official rule text before relying on them.
Provision text
| Minimum test pressure (bar) | 10 |
|---|---|
| Minimum shell thickness | 8 mm |
| Pressure-relief requirements | § 178.275(g)(3) |
| Bottom opening requirements | Prohibited |
Materials referencing this code
- UN 2232 - 2-Chloroethanal
- UN 3023 - 2-Methyl-2-heptanethiol
- NA9264 - 3,5-Dichloro-2,4,6-trifluoropyridine
- UN 1541 - Acetone cyanohydrin, stabilized
- UN 1098 - Allyl alcohol
- UN 1722 - Allyl chloroformate
- UN 2334 - Allylamine
- UN 1553 - Arsenic acid, liquid
- UN 1560 - Arsenic trichloride
- UN 2692 - Boron tribromide
- UN 1569 - Bromoacetone
- UN 1695 - Chloroacetone, stabilized
- UN 2668 - Chloroacetonitrile
- UN 1752 - Chloroacetyl chloride
- NA9263 - Chloropivaloyl chloride
- UN 1754 - Chlorosulfonic acid (with or without sulfur trioxide)
- UN 1143 - Crotonaldehyde or Crotonaldehyde, stabilized
- UN 2488 - Cyclohexyl isocyanate
- UN 2521 - Diketene, stabilized
- UN 1595 - Dimethyl sulfate
- UN 2382 - Dimethylhydrazine, symmetrical
- UN 1163 - Dimethylhydrazine, unsymmetrical
- UN 1182 - Ethyl chloroformate
- UN 2826 - Ethyl chlorothioformate
- UN 2481 - Ethyl isocyanate
- NA2927 - Ethyl phosphonothioic dichloride, anhydrous
- NA2845 - Ethyl phosphonous dichloride, anhydrous pyrophoric liquid
- NA2927 - Ethyl phosphorodichloridate
- UN 1892 - Ethyldichloroarsine
- UN 1135 - Ethylene chlorohydrin
- UN 1605 - Ethylene dibromide
- UN 2646 - Hexachlorocyclopentadiene
- UN 1613 - Hydrocyanic acid, aqueous solutions or Hydrogen cyanide, aqueous solutions with not more than 20 percent hydrogen cyanide
- UN 3294 - Hydrogen cyanide, solution in alcohol with not more than 45 percent hydrogen cyanide
- UN 2486 - Isobutyl isocyanate
- UN 2407 - Isopropyl chloroformate
- UN 2483 - Isopropyl isocyanate
- UN 3079 - Methacrylonitrile, stabilized
- UN 3246 - Methanesulfonyl chloride
- UN 2605 - Methoxymethyl isocyanate
- UN 1647 - Methyl bromide and ethylene dibromide mixtures, liquid
- UN 2644 - Methyl iodide
- UN 2477 - Methyl isothiocyanate
- UN 2606 - Methyl orthosilicate
- NA9206 - Methyl phosphonic dichloride
- NA2845 - Methyl phosphonous dichloride, pyrophoric liquid
- NA1556 - Methyldichloroarsine
- UN 2743 - n-Butyl chloroformate
- UN 2485 - n-Butyl isocyanate
- UN 2740 - n-Propyl chloroformate
- UN 2482 - n-Propyl isocyanate
- UN 2032 - Nitric acid, red fuming
- UN 1670 - Perchloromethyl mercaptan
- UN 2487 - Phenyl isocyanate
- UN 2337 - Phenyl mercaptan
- UN 1672 - Phenylcarbylamine chloride
- UN 1810 - Phosphorus oxychloride
- UN 1809 - Phosphorus trichloride
- UN 1828 - Sulfur chlorides
- UN 1829 - Sulfur trioxide, stabilized
- UN 1831 - Sulfuric acid, fuming with 30 percent or more free sulfur trioxide
- UN 1831 - Sulfuric acid, fuming with less than 30 percent free sulfur trioxide
- UN 2484 - tert-Butyl isocyanate
- UN 1510 - Tetranitromethane
- UN 2474 - Thiophosgene
- UN 1838 - Titanium tetrachloride
- UN 3390 - Toxic by inhalation liquid, corrosive, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3489 - Toxic by inhalation liquid, flammable, corrosive, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3384 - Toxic by inhalation liquid, flammable, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3382 - Toxic by inhalation liquid, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3388 - Toxic by inhalation liquid, oxidizing, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3491 - Toxic by inhalation liquid, water-reactive, flammable, n.o.s. with an LC50 lower or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 3386 - Toxic by inhalation liquid, water-reactive, n.o.s. with an LC50 lower than or equal to 1000 ml/m3 and saturated vapor concentration greater than or equal to 10 LC50
- UN 2442 - Trichloroacetyl chloride
- NA9269 - Trimethoxysilane
- UN 2438 - Trimethylacetyl chloride