ASBESTOS:

United States Environmental Protection Agency (EPA)
Asbestos page: http://www2.epa.gov/asbestos
Asbestos Laws and Regulations: http://www2.epa.gov/asbestos/asbestos-laws-and-regulations

Pennsylvania Department of Labor and Industry
Radon page: http://www.dep.state.pa.us/brp/Radon_Division/Radon_Homepage.htm

Pennsylvania Department of Labor and Industry – Asbestos Occupations Certification and Other Requirements: http://www.portal.state.pa.us/portal/server.pt?open=514&objID=553489&mode=2

Occupation Safety and Health Administration (OSHA)
Asbestos page: https://www.osha.gov/SLTC/asbestos/index.html

LEAD:

United States Environmental Protection Agency (EPA)
Lead page: http://www2.epa.gov/lead
Lead Laws and Regulations: http://www2.epa.gov/lead/lead-laws-and-regulations

Pennsylvania Department of Labor and Industry – Lead Occupations Certification and Other Requirements http://www.portal.state.pa.us/portal/server.pt?open=514&objID=553491&mode=2

Occupation Safety and Health Administration (OSHA)
Lead page: https://www.osha.gov/SLTC/lead/index.html

Centers for Disease Control and Prevention (CDC)
Lead page: http://www.cdc.gov/lead/

MOLD:

United States Environmental Protection Agency (EPA)
Mold and Moisture page: http://www.epa.gov/mold/moldguide.html

Occupation Safety and Health Administration (OSHA)
Mold page: https://www.osha.gov/SLTC/molds/index.html

Centers for Disease Control and Prevention (CDC)
Mold page: http://www.cdc.gov/mold/

INDOOR AIR QUALITY:

United States Environmental Protection Agency (EPA)
Creating Healthy Indoor Environments in Schools:  http://www.epa.gov/iaq/schools/
IAQ Tools for Schools Action Kit: http://www.epa.gov/iaq/schools/actionkit.html

Occupation Safety and Health Administration (OSHA)

Indoor Air Quality: https://www.osha.gov/SLTC/indoorairquality/index.html

Centers for Disease Control and Prevention (CDC)
Indoor Environmental Quality page:  http://www.cdc.gov/niosh/topics/indoorenv/

RIGHT-TO-KNOW:

Pennsylvania Department of Labor and Industry
Pennsylvania Right to Know Act:
http://www.portal.state.pa.us/portal/server.pt?open=514&objID=552962&mode=2

RADON:

United States Environmental Protection Agency (EPA)
Radon page: http://www.epa.gov/radon/pubs/citguide.html

Pennsylvania Department of Environmental Protection (PADEP)
http://www.dep.state.pa.us/brp/Radon_Division/Radon_Homepage.htm
Determine My Tester, Mitigator or Lab is Certified:
http://www.dep.state.pa.us/brp/Radon_Division/Rn_Services_Directory/Directory_Mainpage.htm

POLYCHLORINATED BIPHENYLS (PCBs):

United States Environmental Protection Agency (EPA)
Polychlorinated Biphenyls (PCBs): http://www.epa.gov/epawaste/hazard/tsd/pcbs/index.htm

HAZARDOUS WASTE:

United States Environmental Protection Agency (EPA)
Hazardous Waste page: http://www.epa.gov/epawaste/hazard/index.htm

WETLANDS:

United States Environmental Protection Agency (EPA)
Wetlands page: http://water.epa.gov/type/wetlands/