---
kind: "unit"
title: "48"
title_heading: "Federal Acquisition Regulations System"
key: "ch4/subchD/part423"
level: "part"
label: "Part 423"
heading: "Environment, Sustainable Acquisition, and Material Safety"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/48/ch4-subchD-part423"
sections_count: 3
---

# Part 423 — Environment, Sustainable Acquisition, and Material Safety

Title 48 C.F.R. — Federal Acquisition Regulations System › Chapter 4 — Department of Agriculture › Subchapter D — Socioeconomic Programs

## Contents

- [Subpart 423.1 — Use of Recovered Materials and Biobased Products](/cfr/48/ch4-subchD-part423-subpart423.1.md)
- [Subpart 423.3 — Notice of Radioactive Material](/cfr/48/ch4-subchD-part423-subpart423.3.md)
- [Subpart 423.6 — Notice of Radioactive Material](/cfr/48/ch4-subchD-part423-subpart423.6.md)