---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchA/part26"
level: "part"
label: "Part 26"
heading: "Protection of Human Subjects"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchA-part26"
sections_count: 81
---

# Part 26 — Protection of Human Subjects

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

## Contents

- [Subpart A — Basic EPA Policy for Protection of Subjects in Human Research Conducted or Supported by EPA](/cfr/40/chI-subchA-part26-subpartA.md)
- [Subpart B — Prohibition of Research Conducted or Supported by EPA Involving Intentional Exposure of Human Subjects who are Children or Pregnant or Nursing Women](/cfr/40/chI-subchA-part26-subpartB.md)
- [Subpart C — Observational Research: Additional Protections for Pregnant Women and Fetuses Involved as Subjects in Observational Research Conducted or Supported by EPA](/cfr/40/chI-subchA-part26-subpartC.md)
- [Subpart D — Observational Research: Additional Protections for Children Involved as Subjects in Observational Research Conducted or Supported by EPA](/cfr/40/chI-subchA-part26-subpartD.md)
- [Subpart E-J — Subparts E-J [Reserved]](/cfr/40/chI-subchA-part26-subpartE-J.md)
- [Subpart K — Basic Ethical Requirements for Third-Party Human Research for Pesticides Involving Intentional Exposure of Non-Pregnant, Non-Nursing Adults](/cfr/40/chI-subchA-part26-subpartK.md)
- [Subpart L — Prohibition of Third-Party Research involving Intentional Exposure to a Pesticide of Human Subjects who are Children or Pregnant or Nursing Women](/cfr/40/chI-subchA-part26-subpartL.md)
- [Subpart M — Requirements for Submission of Information on the Ethical Conduct of Completed Human Research](/cfr/40/chI-subchA-part26-subpartM.md)
- [Subpart N — Subpart N [Reserved]](/cfr/40/chI-subchA-part26-subpartN.md)
- [Subpart O — Administrative Actions for Noncompliance](/cfr/40/chI-subchA-part26-subpartO.md)
- [Subpart P — Review of Proposed and Completed Human Research](/cfr/40/chI-subchA-part26-subpartP.md)
- [Subpart Q — Standards for Assessing Whether To Rely on the Results of Human Research in EPA Actions](/cfr/40/chI-subchA-part26-subpartQ.md)