---
kind: "section"
citation: "46 C.F.R. § 148.225"
title: "46"
number: "148.225"
heading: "Calcined pyrites (pyritic ash, fly ash)."
url: "https://uscodex.org/cfr/46/148.225"
---

# §148.225. Calcined pyrites (pyritic ash, fly ash).

- (a) This part does not apply to the shipment of calcined pyrites that are the residual ash of oil or coal fired power stations.
- (b) This section applies to the stowage and transportation of calcined pyrites that are the residual product of sulfuric acid production or elemental metal recovery operations.
- (c) **Before loading calcined pyrites covered by this section—**
  - (1) The cargo space must be as clean and dry as practical;
  - (2) The calcined pyrites must be dry; and
  - (3) Precautions must be taken to prevent the penetration of calcined pyrites into other cargo spaces, bilges, wells, and ceiling boards.
- (d) After calcined pyrites covered by this section have been unloaded from a cargo space, the cargo space must be thoroughly cleaned. Cargo residues and sweepings must be disposed of as prescribed in 33 CFR parts [151.55](/cfr/33/part151.55.md) through [151.77](/cfr/33/part151.77.md).

## 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.