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.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. Mercury
  3. Broken Bulbs

Compact Fluorescent Light Bulbs (CFLs)

The recommendations on these pages apply to all mercury-containing light bulbs. Read a full list of which bulbs contain mercury.

CFLs can help you save money, use less energy, reduce light bulb changes, and lower greenhouse gas emissions.
  • Learn more about energy-efficient lighting choices at EnergyStar.gov
  • Read Energy Star questions and answers about CFLs
  • Report defective CFLs via email to EnergyStar

Cleaning up a Broken CFL

  • What to do when a CFL breaks
  • View frequently asked questions about CFLs from EnergyStar

CFL Recycling and Disposal

  • Where to recycle/dispose of CFLs after they burn out
  • Proper maintenance, removal, and disposal of PCB-containing fluorescent light ballasts (FLBs) in schools
  • Disposal requirements for PCB-containing FLBs

Light Bulb Phase-Out

  • 2007 light bulb law - the basics

CFLs and Mercury

  • Learn about the connections between CFLs and mercury

Shopping for Light Bulbs

  • What you need to know when choosing light bulbs (FTC.gov)
  • Lighting Facts labels that help you compare different bulbs:
    • Light bulb label
    • Label for bulbs containing mercury

CFLs and UV Radiation

Information from:

  • EnergyStar.gov
  • Food and Drug Administration
  • European Commission Scientific Committees (pdf)

Test your Knowledge!

When a CFL breaks in your home, one of the most important things you can do is...

 

B is the correct answer.

YES TO AIRING OUT: If a CFL breaks at home, one of the best things you can do is air out the room for 5-10 minutes by opening a window or door to the outdoor environment. Learn the most important steps to take.

NO TO VACUUMING: Vacuuming is not recommended unless broken glass remains after all other cleanup steps have been taken. Vacuuming could spread mercury-containing powder or mercury vapor.

 

Hey... No Peeking!

You need to select an answer to the question before we'll show you the right answer...

Mercury

  • Basic Information
  • How People are Exposed
  • Health Effects
  • What EPA is Doing
  • What You Can Do
  • Laws & Regulations
    • TSCA Inventory Reporting Rule
  • Guidelines for Eating Fish
  • Products that Contain Mercury
  • Broken Bulbs
  • Broken Thermometers
  • Science and Research Resources
  • En español
Contact Us about Mercury
Contact Us about Mercury to ask a question, provide feedback, or report a problem.
Last updated on August 13, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

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

Connect.

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

Ask.

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

Follow.