---
kind: "section"
citation: "46 C.F.R. § 148.150"
title: "46"
number: "148.150"
heading: "Stowage and segregation for materials of Class 9."
url: "https://uscodex.org/cfr/46/148.150"
---

# §148.150. Stowage and segregation for materials of Class 9.

- (a) A bulk solid cargo of Class 9 material (miscellaneous hazardous material) listed in Table 148.10 of this part must be stowed and segregated as required by this section.
- (b) Ammonium nitrate fertilizer of Class 9 must be segregated as required for Class 5.1 materials in §§ [148.120](/cfr/46/148.120.md) and [148.140](/cfr/46/148.140.md) of this part and must be stowed—
  - (1) Separated by a complete hold or compartment from readily combustible materials, chlorates, hypochlorites, nitrites, permanganates, and fibrous materials (e.g., cotton, jute, sisal, etc.);
  - (2) Clear of all sources of heat, including insulated piping; and
  - (3) **Out of direct contact with metal engine-room boundaries.**
- (c) Castor beans must be stowed separate from foodstuffs and Class 5.1 materials.
- (d) Fish meal must be stowed and segregated as required for Class 4.2 materials in §§ [148.120](/cfr/46/148.120.md) and [148.130](/cfr/46/148.130.md) of this part. In addition, its temperature at loading must not exceed 35 °C (95 °F), or 5 °C (9 °F) above ambient temperature, whichever is higher.
- (e) Sulfur must be stowed and segregated as required under §§ [148.120](/cfr/46/148.120.md) and [148.125](/cfr/46/148.125.md) of this part for a material of Class 4.1.

## 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.