EPA
State Waste Programs
https://www.epa.gov/hw
FDA
http://www.fda.gov/
CDC
http://www.cdc.gov/
OSAP
Dentistry's resource for infection control and safety
http://www.osap.org/
OSHA
http://www.osha.gov/
The Joint commission of accreditation of Healthcare Organizations
http://www.jointcommission.org/
ADA
http://www.ada.org/
http://www.epa.gov/osw/
ADA Best Management Practice on Amalgam:
http://www.ada.org