#### § 176.84 Other requirements for stowage, cargo handling, and segregation for cargo vessels and passenger vessels.

(a) *General.* When Column 10B of the [§ 172.101](/on/2024-09-24/title-49/section-172.101) Table refers to a numbered or alpha-numeric stowage provision for water shipments, the meaning and requirements of that provision are set forth in this section. Terms in quotation marks are defined in [§ 176.83](/on/2024-09-24/title-49/section-176.83). Other terms used in the table in this section such as “acids”, “chlorates” and “permanganates” indicate different chemical groups referred to here as segregation groups. Materials falling within a segregation group are considered to have certain similar chemical properties and, although not exhaustive in nature, the materials belonging to each group include those substances identified in section 3.1.4 of the IMDG Code (IBR, see [§ 171.7 of this subchapter](/on/2024-09-24/title-49/section-171.7)) as set forth in [§ 176.83(m)](/on/2024-09-24/title-49/section-176.83#p-176.83(m)).

(b) *Table of provisions:*

| Code | Provisions |
| --- | --- |
| 1 | [Reserved] |
| 2 | Temperature controlled material. |
| 3 | Do not stow with high explosives. |
| 4 | Shall not be stowed together with combustible material in the same cargo transport unit. |
| 5 | Stow “Separated from” powdered metals and their compounds. |
| 6 | Emergency temperature material. |
| 7 | [Reserved] |
| 8 | Glass carboys not permitted on passenger vessels. |
| 9 | Glass carboys not permitted under deck. |
| 10 | Glass bottles not permitted under deck. |
| 11 | Keep away from heat and open flame. |
| 12 | Keep as cool as reasonably practicable.3 |
| 13 | Keep as dry as reasonably practicable.3 |
| 14 | For metal drums, stowage permitted under deck on cargo vessels. |
| 15 | May be stowed in portable magazine or metal locker. |
| 16 | No other cargo may be stowed in the same hold with this material. |
| 17 | Segregation same as for flammable gases but “away from” dangerous when wet. |
| 18 | Prohibited on any vessel carrying explosives (except explosives in Division 1.4, Compatibility group S). |
| 20 | Segregation same as for corrosives. |
| 21 | Segregation same as for flammable liquids. |
| 22 | Segregation same as for flammable liquids if flash point is below 60 °C (140 °F). |
| 23 | Segregation same as for flammable liquids if flash point is between 23 °C (73 °F) and 60 °C (140 °F). |
| 24 | Segregation same as for flammable solids. |
| 25 | Protected from sources of heat |
| 26 | Stow “away from” acids.2 |
| 27 | Stow “away from” alkaline compounds.2 |
| 28 | Stow “away from” flammable liquids. |
| 29 | Stow “away from” ammonium compounds. |
| 30 | Stow “away from” animal or vegetable oils. |
| 31 | Stow “away from” combustible materials. |
| 32 | Stow “away from” copper, its alloys and its salts. |
| 33 | Stow “away from” fluorides. |
| 34 | Stow “away from” foodstuffs. |
| 35 | Stow “away from” all odor-absorbing cargo. |
| 36 | Stow “away from” heavy metals and their compounds. |
| 37 | Stow “away from” hydrazine. |
| 38 | Stow “away from” all other corrosives. |
| 39 | Stow “away from” liquid halogenated hydrocarbons. |
| 40 | Stow “clear of living quarters”. |
| 41 | Stow “away from” mercury and its compounds. |
| 42 | Stow “away from” nitric acids and perchloric acids not exceeding 50 percent acid by weight. |
| 43 | Stow “away from” organic materials. |
| 44 | Stow “away from” oxidizers. |
| 45 | Stow “away from” permanganates. |
| 46 | Stow “away from” powdered metals. |
| 47 | Stow “away from” sodium compounds. |
| 49 | Stow “away from” corrosives. |
| 51 | Stow “separated from” acetylene. |
| 52 | Stow “separated from” acids.1 2 |
| 53 | Stow “separated from” alkaline compounds.2 |
| 54 | Stow “separated from” animal or vegetable oils. |
| 55 | Stow “separated from” ammonia. |
| 56 | Stow “separated from” ammonium compounds. |
| 57 | Stow “separated from” chlorine. |
| 58 | Stow “separated from” cyanides. |
| 59 | Stow “separated from” combustible materials. |
| 60 | Stow “separated from” chlorates, chlorites, hypochlorites, nitrites, perchlorates, permanganates, and metallic powders. |
| 61 | Stow “separated from” corrosive materials. |
| 62 | Stow “separated from” diborane. |
| 63 | Stow “separated from” diethylene triamine. |
| 64 | Stow “separated from” explosives. |
| 65 | Stow “separated from” flammable substances. |
| 66 | Stow “separated from” flammable solids. |
| 67 | Stow “separated from” halides. |
| 68 | Stow “separated from” hydrogen. |
| 69 | Stow “separated from” hydrogen peroxide. |
| 70 | Stow “separated from” mercury salts. |
| 71 | Stow “separated from” nitric acid. |
| 72 | Stow “separated from” nitrogen compounds. |
| 73 | Stow “separated from” chlorates. |
| 74 | Stow “separated from” oxidizers. |
| 75 | Stow “separated from” permanganates. |
| 76 | Stow “separated by a complete compartment or hold from” organic peroxides. |
| 77 | Stow “separated longitudinally by a complete compartment or hold from” explosives. |
| 78 | Stow “separated longitudinally by an intervening complete compartment or hold from” explosives. |
| 79 | The maximum net quantity in one package for this material shipped aboard a passenger vessel is limited to 22.7 kg (50 pounds). |
| 80 | Toy torpedoes must not be packed with other special fireworks. |
| 81 | Under deck stowage permitted only if an indicating substance such as chloropicrin has been added. |
| 82 | Under deck stowage is permitted only if containing not more than 36 percent by weight of hydrazine. |
| 83 | [Reserved] |
| 84 | Under deck stowage must be in well-ventilated space. |
| 85 | Under deck stowage must be in mechanically ventilated space. |
| 86 | Stow “separated by a complete compartment or hold from” explosives Division 1.3. |
| 87 | Stow “separated from” Class 1 (explosives) except Division 1.4. |
| 88 | Stow “separated by a complete compartment or hold from” Class 1 (explosives) except Division 1.4. |
| 89 | Segregation same as for oxidizers. |
| 90 | Stow “separated from” radioactive materials. |
| 91 | Stow “separated from” flammable liquids. |
| 92 | Stow “separated from” powdered materials. |
| 93 | Stow not accessible to unauthorized persons on passenger vessels. |
| 94 | Plastic jerricans and plastic drums not permitted under deck. |
| 95 | Stow “separated from” foodstuffs. |
| 96 | Glass carboys not permitted under deck on passenger vessels. |
| 97 | Stow “away from” azides. |
| 98 | Stow “away from” all flammable materials. |
| 99 | Only new metal drums permitted on passenger vessels. |
| 100 | Stow “away from” flammable solids. |
| 101 | Stow “separated from” iron oxide. |
| 102 | Stow “separated from” all odor absorbing cargoes. |
| 103 | Only to be loaded under dry weather conditions. |
| 104 | Stow “separated from” bromine. |
| 105 | As approved by the Competent Authority of the country concerned. |
| 106 | Stow “separated from” powdered metal. |
| 107 | Stow “separated from” peroxides and superoxides. |
| 108 | The transport temperature should be indicated on the tank. |
| 109 | Label as a flammable liquid if flash point is 60 °C (140 °F) or below. |
| 110 | Packaging Group II if concentration does not exceed 70 percent acid. |
| 111 | If concentration exceeds 50 percent acid, notes 66, 74, 89, and 90 apply. |
| 112 | Packaging Group II for concentrations not less that 50 percent and Packaging Group III for concentrations less than 50 percent. |
| 113 | Packaging Group II if concentrations does not exceed 60 percent acid. |
| 114 | Corrosive subsidiary risk label required unless concentration is less than 80 percent. |
| 115 | If packaged in glass or earthenware inner packagings in wooden or fiberboard outer packagings, the maximum quantity on any vessel is 500 kg (equivalent to 450 L). |
| 116 | In a cargo space capable of being opened up in an emergency. The possible need to open hatches in case of fire to provide maximum ventilation and to apply water in an emergency and the consequent risk to the stability of the ship through flooding of the cargo space should be considered before loading. |
| 117 | In a clean cargo space capable of being opened up in an emergency. In the case of bagged fertilizer in freight containers, it is sufficient if in the case of an emergency, the cargo is accessible through free approaches (hatch entries) and mechanical ventilation enables the master to exhaust any gases or fumes resulting from decomposition. The possible need to open hatches in case of fire to provide maximum ventilation and to apply water in an emergency and the consequent risk to the stability of the ship through flooding of the cargo space should be considered before loading. |
| 118 | Stowage—Category D, Category E freight containers and pallet boxes only. Ventilation may be required. The possible need to open hatches in a case of fire to provide maximum ventilation and to supply water in an emergency, and the consequent risk to the stability of the ship through flooding of the cargo space, should be considered before loading. |
| 119 | Double strip stowage recommended. |
| 120 | Provide good surface and through ventilation. |
| 121 | Packaging group III when the flash point of the flammable liquid is 23 °C (73 °F) or above. |
| 122 | Stow “separated from” infectious substances. |
| 123 | Stow “away from” infectious substances. |
| 124 | Stow “separated from” bromates. |
| 125 | Segregation same as for flammable liquids, but also “away from” flammable solids. |
| 126 | Segregation same as for Class 9, miscellaneous hazardous materials. |
| 127 | For packages carrying a subsidiary risk of Class 1 (explosives), segregation same as for Class 1, Division 1.3. |
| 128 | Stow in accordance with the IMDG Code, Sub-section 7.6.2.7.2 (incorporated by reference; see [§ 171.7 of this subchapter](/on/2024-09-24/title-49/section-171.7)). |
| 129 | Stowage Category A applies, except for uranyl nitrate hexahydrate solution for which Category D applies. |
| 130 | Stowage Category A applies, except for uranyl nitrate hexahydrate solution, uranium metal hexahydrate solution, uranium metal pyrophoric and thorium metal pyrophoric for which Category D applies. |
| 131 | Stowage Category A applies, except for uranyl nitrate hexahydrate solution, uranium metal pyrophoric and thorium metal pyrophoric for which Category D applies, and taking into account any supplementary requirements specified in the transport documents. |
| 132 | Stowage A applies, taking into account any supplementary requirements specified in the transport documents. |
| 133 | Stow “separated from” sulfur. |
| 134 | Stow “separated from” UN2716. |
| 135 | Stow “Separated from” mercury and mercury compounds. |
| 136 | Stow “Separated from” carbon tetrachloride. |
| 137 | For arsenic sulphides, Stow “separated from” acids. |
| 138 | Stow “Separated from” peroxides. |
| 141 | Stow “away from” radioactive materials. |
| 142 | Packages in cargo transport units must be stowed so as to allow for adequate air circulation throughout the cargo. |
| 144 | When stowed under deck, mechanical ventilation shall be in accordance with SOLAS, Chapter II-2/Regulation 19 (IBR, see [§ 171.7 of this subchapter](/on/2024-09-24/title-49/section-171.7)) for flammable liquids with flashpoint below 23 °C (73 °F). |
| 145 | Stow “separated from” ammonium compounds except for UN1444. |
| 146 | Category B stowage applies for unit loads in open cargo transport units. |
| 147 | Stow “separated from” flammable gases and flammable liquids. |
| 148 | In addition: from flammable gases and flammable liquids when stowed on deck of a containership a minimum distance of two container spaces athwartship shall be maintained, when stowed on ro-ro ships a distance of 6 m athwartship shall be maintained. |
| 149 | For engines or machinery containing fuels with flash point equal or greater than 23 °C (73.4 °F), stowage Category A. |
| 150 | For uranium metal pyrophoric and thorium metal pyrophoric stowage, category D applies. |
| 151 | Segregation as for Class 7. |
| 152 | Segregation as for Class 8. However, in relation to Class 7, no segregation needs to be applied. |
| 153 | Stow “separated longitudinally by an intervening complete compartment or hold from” Divisions 1.1, 1.2, and 1.5. |
| 154 | Notwithstanding the stowage category indicated in column 10A of the [§ 172.101](/on/2024-09-24/title-49/section-172.101) Table, may be stowed in accordance with the provisions of packing instruction US 1 in [§ 173.62](/on/2024-09-24/title-49/section-173.62). |
| 155 | Avoid handling the package or keep handling to a minimum. Inform the appropriate public health authority or veterinary authority where persons or animals may have been exposed. |
| 156 | For lithium batteries transported in accordance with [§ 173.185(f)](/on/2024-09-24/title-49/section-173.185#p-173.185(f)) or for purposes of disposal or recycling, stowage category C applies. |
| 157 | For aerosols and gas receptacles transported for purposes of recycling or disposal, stowage category C applies, and stowage must be clear of living quarters. |
| M1—M6 | [Reserved] |
| | |
| --- | --- |
| 1 For waste cyanides or waste cyanide mixtures or solutions, refer to [§ 173.12(e) of this subchapter](/on/2024-09-24/title-49/section-173.12#p-173.12(e)). | |
| 2 Class 8 materials in PG II or III that otherwise are required to be segregated from one another may be transported in the same cargo transport unit, whether in the same packaging or not, provided the substances do not react dangerously with each other to cause combustion and/or evolution of considerable heat, or of flammable, toxic or asphyxiant gases, or the formation of corrosive or unstable substances; and the package does not contain more than 30 L (7.8 gallons) for liquids or 30 kg (66 lbs.) for solids. | |
| 3 These requirements apply to the loading of hazardous materials in cargo transport units as well as the stowage of cargo transport units. | |

(c) *Provisions for the stowage of Class 1 (explosive) materials:*

(1) Explosive substances and explosive articles must be stowed in accordance with Column (10A) and Column (10B) of the 172.101 Table of this subchapter.

(2) The following notes in column 10B of the [§ 172.101](/on/2024-09-24/title-49/section-172.101) Table apply to the transport of Class 1 (explosive) materials by vessel:

| Notes | Provisions |
| --- | --- |
| 5E | Stow “away from” lead and its compounds. |
| 14E | On deck, cargo transport unit must be steel. |
| 15E | On deck, cargo transport unit must be leakproof. |
| 17E | On deck stowage is recommended. |
| 19E | “Separated from” explosives containing chlorates or perchlorates. |
| 21E | Cargo space ventilation must be carefully controlled to avoid excessive condensation. |
| 22E | “Separated from” ammonium compounds and explosives containing ammonium compounds or salts. |
| 23E | “Separated from” Division 1.4 and “separated longitudinally by an intervening complete compartment or hold from” Division 1.1, 1.2, 1.3, 1.5, and 1.6 except from explosives of compatibility group J. |
| 26E | For closed cargo transport units, a non-metallic lining is required when not in effectively sealed, sift-proof packages. |
| 27E | For closed cargo transport units, a non-metallic lining is required. |

[Amdt. 176-30, [55 FR 52693](https://www.federalregister.gov/citation/55-FR-52693), Dec. 21, 1990]

###### Editorial Note

#### Editorial Note:

For Federal Register citations affecting [§ 176.84](/on/2024-09-24/title-49/section-176.84), see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at [www.govinfo.gov](http://www.govinfo.gov).