---
kind: "section"
citation: "46 C.F.R. § 148.21"
title: "46"
number: "148.21"
heading: "Necessary information."
url: "https://uscodex.org/cfr/46/148.21"
---

# §148.21. Necessary information.


Each petition for a special permit must contain at least the following:

- (a) **A description of the material, including, if a hazardous material—**
  - (1) The proper shipping name from the table in [49 CFR 172.101](/cfr/49/172.101.md);
  - (2) The hazard class and division of the material; and
  - (3) **The identification number of the material.**
- (b) **A material safety data sheet (MSDS) for the material or—**
  - (1) The chemical name and any trade names or common names of the material;
  - (2) The composition of the material, including the weight percent of each constituent;
  - (3) Physical data, including color, odor, appearance, melting point, and solubility;
  - (4) Fire and explosion data, including auto-ignition temperature, any unusual fire or explosion hazards, and any special fire fighting procedures;
  - (5) Health hazards, including any dust inhalation hazards and any chronic health effects;
  - (6) The threshold limit value (TLV) of the material or its major constituents, if available, and any relevant toxicity data;
  - (7) Reactivity data, including any hazardous decomposition products and any incompatible materials; and
  - (8) Special protection information, including ventilation requirements and personal protection equipment required.
- (c) Other potentially dangerous characteristics of the material not covered by [paragraph (b)](#b) of this section, including—
  - (1) Self-heating;
  - (2) Depletion of oxygen in the cargo space;
  - (3) Dust explosion; and
  - (4) **Liquefaction.**
- (d) **A detailed description of the proposed transportation operation, including—**
  - (1) The type of vessel proposed for water movements;
  - (2) The expected loading and discharge ports, if known;
  - (3) Procedures to be used for loading and unloading the material;
  - (4) Precautions to be taken when handling the material; and
  - (5) The expected temperature of the material at the time it will be loaded on the vessel.
- (e) **Test results (if required under Subpart E of this part).**
- (f) **Previous approvals or permits.**
- (g) Any relevant shipping or accident experience (or any other relevant transportation history by any mode of transport).

## Notes

### Authority

Authority: 33 U.S.C. 1602; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; 46 U.S.C. 3306, 5111; 49 U.S.C. 5103; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: 75 FR 64591, Oct. 19, 2010, unless otherwise noted.