---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchA/part3"
level: "part"
label: "Part 3"
heading: "Cross-Media Electronic Reporting"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchA-part3"
sections_count: 8
---

# Part 3 — Cross-Media Electronic Reporting

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter A — General

## Contents

- [Subpart A — General Provisions](/cfr/40/chI-subchA-part3-subpartA.md)
- [Subpart B — Electronic Reporting to EPA](/cfr/40/chI-subchA-part3-subpartB.md)
- [Subpart C — Subpart C [Reserved]](/cfr/40/chI-subchA-part3-subpartC.md)
- [Subpart D — Electronic Reporting Under EPA-Authorized State, Tribe, and Local Programs](/cfr/40/chI-subchA-part3-subpartD.md)