---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchA/part26/subpartP"
level: "subpart"
label: "Subpart P"
heading: "Review of Proposed and Completed Human Research"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchA-part26-subpartP"
sections_count: 7
---

# Subpart P — Review of Proposed and Completed Human Research

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter A — General › Part 26 — Protection of Human Subjects

## Sections

- [§26.1601. To what does this subpart apply?](/cfr/40/26.1601.md)
- [§26.1602. Definitions.](/cfr/40/26.1602.md)
- [§26.1603. EPA review of proposed human research.](/cfr/40/26.1603.md)
- [§26.1604. EPA review of completed human research.](/cfr/40/26.1604.md)
- [§26.1605. Operation of the Human Studies Review Board.](/cfr/40/26.1605.md)
- [§26.1606. Human Studies Review Board review of proposed human research.](/cfr/40/26.1606.md)
- [§26.1607. Human Studies Review Board review of completed human research.](/cfr/40/26.1607.md)