40 CFR § 227.5 - Prohibited materials.

---
identifier: "/us/cfr/t40/s227.5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 227.5 - Prohibited materials."
title_number: 40
title_name: "Protection of Environment"
section_number: "227.5"
section_name: "Prohibited materials."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "H"
subchapter_name: "OCEAN DUMPING"
part_number: "227"
part_name: "CRITERIA FOR THE EVALUATION OF PERMIT APPLICATIONS FOR OCEAN DUMPING OF MATERIALS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1412 and 1418."
regulatory_source: "42 FR 2476, Jan. 11, 1977, unless otherwise noted."
cfr_part: "227"
---


# 227.5 Prohibited materials.

The ocean dumping of the following materials will not be approved by EPA or the Corps of Engineers under any circumstances:

(a) High-level radioactive wastes as defined in § 227.30;

(b) Materials in whatever form (including without limitation, solids, liquids, semi-liquids, gases or organisms) produced or used for radiological, chemical or biological warfare;

(c) Materials insufficiently described by the applicant in terms of their compositions and properties to permit application of the environmental impact criteria of this subpart B;

(d) Persistent inert synthetic or natural materials which may float or remain in suspension in the ocean in such a manner that they may interfere materially with fishing, navigation, or other legitimate uses of the ocean.