Links of Interest

Government Websites

Other Resources

  • CHEMTREC (Chemical Transportation Emergency Center) (

    • A public service hotline for fire fighters, law enforcement, and other emergency responders to obtain information and assistance for emergency incidents involving chemicals and hazardous materials. CHEMTREC provides the required 24-hour emergency service to shippers of hazardous materials.

  • Small Business Environmental Home Page (

    • Funded by the U.S. EPA Office of the Small Business Ombudsman, this web site features links to industry sector assistance, state and national news, state and national events, state contacts, and links to state and national publications.

  • US EPA Compliance Assistance Centers (

    • The Office of Compliance, in partnership with industry, academic institutions, environmental groups, and other federal and state agencies, has established “virtual” (telecommunications-based) national Compliance Assistance Centers for specific industry sectors heavily populated with small businesses and entities that face substantial federal regulation.

  • University of Illinois – Prairie Research Institute (

  • University of Wisconsin – Solid & Hazardous Waste Education Center (

    • Provides waste reduction and management services to businesses, institutions, and communities throughout Wisconsin and the nation.

Guidance Documents

  • US EPA Guidance on Subsurface Vapor Intrusion (

    • Draft guidance for evaluating vapor intrusion to indoor air pathway from groundwater and soils (Subsurface Vapor Intrusion Guidance). Provides current technical and policy recommendations on determining if the vapor intrusion pathway poses an unacceptable risk to human health at cleanup sites. Intended to aid in evaluating the potential for human exposure from this pathway given the state-of-the-science at this time.

  • Wisconsin Guidance on Subsurface Vapor Intrusion (

    • Good general information on vapor intrusion from Wisconsin Department of Health and Family Services.