---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchJ/part373"
level: "part"
label: "Part 373"
heading: "Reporting Hazardous Substance Activity When Selling or Transferring Federal Real Property"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchJ-part373"
sections_count: 4
---

# Part 373 — Reporting Hazardous Substance Activity When Selling or Transferring Federal Real Property

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter J — Superfund, Emergency Planning, and Community Right-To-Know Programs

## Sections

- [§373.1. General requirement.](/cfr/40/373.1.md)
- [§373.2. Applicability.](/cfr/40/373.2.md)
- [§373.3. Content of notice.](/cfr/40/373.3.md)
- [§373.4. Definitions.](/cfr/40/373.4.md)