---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chI/subchK"
level: "subchap"
label: "Subchapter K"
heading: "Environmental Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chI-subchK"
sections_count: 24
---

# Subchapter K — Environmental Regulations

Title 39 C.F.R. — Postal Service › Chapter I — United States Postal Service

## Contents

- [Part 775 — National Environmental Policy Act Procedures](/cfr/39/chI-subchK-part775.md)
- [Part 776 — Floodplain and Wetland Procedures](/cfr/39/chI-subchK-part776.md)