---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchR/part798"
level: "part"
label: "Part 798"
heading: "Health Effects Testing Guidelines"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchR-part798"
sections_count: 27
---

# Part 798 — Health Effects Testing Guidelines

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter R — Toxic Substances Control Act

## Contents

- [Subpart A-B — Subparts A-B [Reserved]](/cfr/40/chI-subchR-part798-subpartA-B.md)
- [Subpart C — Subchronic Exposure](/cfr/40/chI-subchR-part798-subpartC.md)
- [Subpart D — Chronic Exposure](/cfr/40/chI-subchR-part798-subpartD.md)
- [Subpart E — Specific Organ/Tissue Toxicity](/cfr/40/chI-subchR-part798-subpartE.md)
- [Subpart F — Genetic Toxicity](/cfr/40/chI-subchR-part798-subpartF.md)
- [Subpart G — Neurotoxicity](/cfr/40/chI-subchR-part798-subpartG.md)