---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chI/subchG"
level: "subchap"
label: "Subchapter G"
heading: "Occupational Safety and Health Research and Related Activities"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chI-subchG"
sections_count: 308
---

# Subchapter G — Occupational Safety and Health Research and Related Activities

Title 42 C.F.R. — Public Health › Chapter I — Public Health Service, Department of Health and Human Services

## Contents

- [Part 80 — Part 80 [reserved]](/cfr/42/chI-subchG-part80.md)
- [Part 81 — Guidelines for Determining Probability of Causation under the Energy Employees Occupational Illness Compensation Program Act of 2000](/cfr/42/chI-subchG-part81.md)
- [Part 82 — Methods for Conducting Dose Reconstruction under the Energy Employees Occupational Illness Compensation Program Act of 2000](/cfr/42/chI-subchG-part82.md)
- [Part 83 — Procedures for Designating Classes of Employees as Members of the Special Exposure Cohort under the Energy Employees Occupational Illness Compensation Program Act of 2000](/cfr/42/chI-subchG-part83.md)
- [Part 84 — Approval of Respiratory Protective Devices](/cfr/42/chI-subchG-part84.md)
- [Part 85 — Requests for Health Hazard Evaluations](/cfr/42/chI-subchG-part85.md)
- [Part 85a — Occupational Safety and Health Investigations of Places of Employment](/cfr/42/chI-subchG-part85a.md)
- [Part 86 — Grants for Education Programs in Occupational Safety and Health](/cfr/42/chI-subchG-part86.md)
- [Part 87 — National Institute for Occupational Safety and Health Research and Demonstration Grants](/cfr/42/chI-subchG-part87.md)
- [Part 88 — World Trade Center Health Program](/cfr/42/chI-subchG-part88.md)