Official websites use .mass.gov
A .mass.gov website belongs to an official government organization in Massachusetts.
Secure websites use HTTPS certificate
A lock icon ( ) or https:// means you’ve safely connected to the official website. Share sensitive information only on official, secure websites.
Top-requested sites to log in to services provided by the state
These fact sheets answer some of the environmental health questions that have been brought to the attention of our bureau.
We collect facts on various environmental health topics. These fact sheets are made available to you by the Department of Public Health.
The feedback will only be used for improving the website. If you need assistance, please contact the Bureau of Environmental Health. Please limit your input to 500 characters.
Thank you for your website feedback! We will use this information to improve this page.
If you would like to continue helping us improve Mass.gov, join our user panel to test new features for the site.
