Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals and Toxics
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Pesticides
    • Radon
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • EPA Administrator
    • Organization Chart
    • Staff Directory
    • Planning, Budget, and Results
    • Jobs and Internships
    • Headquarters Offices
    • Regional Offices
    • Lab and Research Centers
Related Topics:
  • Stationary Sources of Air Pollution
Contact Us

Hospital Ethylene Oxide Sterilizers: National Emission Standards for Hazardous Air Pollutants (NESHAP)

Hospital Ethylene Oxide Sterilizers: National Emission Standards for Hazardous Air Pollutants (NESHAP)
Basic Information
Legal Authorities
  • 42 U.S.C. §7401
Federal Register Citations
  • 72 FR 73611
  • 71 FR 64907
Code of Federal Regulations Citations
  • 40 CFR Part 63 Subpart WWWWW
Docket Numbers
  • EPA-HQ-OAR-2005-0171

On this page:

  • Rule Summary
  • Rule History
  • Additional Resources
  • Compliance

Rule Summary

This final rule applies to any existing or new hospital ethylene oxide sterilization facility that is an area source of hazardous air pollutants (HAP). The owner or operator of an existing area source must comply with this area source National Emission Standards for Hazardous Air Pollutants (NESHAP) by December 29, 2008. The owner or operator of a new area source must comply with this area source NESHAP by December 28, 2007 or upon initial startup, whichever is later.

Rule History

12/28/2007 – Final Rule

11/06/2006 – Proposed Rule

Additional Resources

Fact Sheets: Proposed and Final Air Toxics Standards for Hospital Sterilizers

View the supporting documents in the docket folder to find additional related documents to this rule.

Related Rules:

Alternative Control Technology Document: Ethylene Oxide Sterilization/Fumigation Operations

Ethylene Oxide Emissions Standards for Sterilization Facilities: National Emission Standards for Hazardous Air Pollutants (NESHAP)

Compliance

Summary of Regulations Controlling Air Emissions from the Hospital Sterilizers using Ethylene Oxide National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart WWWWW Final Rule

Example Initial Notification of Compliance Status: National Emission Standards for Hospital Ethylene Oxide Sterilization (40 CFR 63, subpart WWWWW) (doc) (August 2008)

Applicability Determination Index (ADI).  The ADI is maintained by EPA's Office of Enforcement and Compliance Assurance (OECA) and provides a data base of memoranda dealing with applicability issues.  The database is searchable by Subpart.

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 7, 2022
United States Environmental Protection Agency

Discover.

  • Accessibility
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.