---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chI/subchH/part90"
level: "part"
label: "Part 90"
heading: "Administrative Functions, Practices, and Procedures"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chI-subchH-part90"
sections_count: 14
---

# Part 90 — Administrative Functions, Practices, and Procedures

Title 42 C.F.R. — Public Health › Chapter I — Public Health Service, Department of Health and Human Services › Subchapter H — Health Assessments and Health Effects Studies of Hazardous Substances Releases and Facilities

## Sections

- [§90.1. Purpose and applicability.](/cfr/42/90.1.md)
- [§90.2. Definitions.](/cfr/42/90.2.md)
- [§90.3. Procedures for requesting health assessments.](/cfr/42/90.3.md)
- [§90.4. Contents of requests for health assessments.](/cfr/42/90.4.md)
- [§90.5. Acting on requests.](/cfr/42/90.5.md)
- [§90.6. Notification of determination to conduct a health assessment in response to a request from the public.](/cfr/42/90.6.md)
- [§90.7. Decision to conduct health effects study.](/cfr/42/90.7.md)
- [§90.8. Conduct of health assessments and health effects studies.](/cfr/42/90.8.md)
- [§90.9. Public health advisory.](/cfr/42/90.9.md)
- [§90.10. Notice and comment period.](/cfr/42/90.10.md)
- [§90.11. Reporting of results of health assessments and health effects studies.](/cfr/42/90.11.md)
- [§90.12. Confidentiality of information.](/cfr/42/90.12.md)
- [§90.13. Recordkeeping requirements.](/cfr/42/90.13.md)
- [§90.14. Documentation and cost recovery.](/cfr/42/90.14.md)