Source:http://linkedlifedata.com/resource/umls/id/C0041712
MSH: An agency in the Executive Branch of the Federal Government. It was created as an independent regulatory agency responsible for the implementation of federal laws designed to protect the environment. Its mission is to protect human health and the ENVIRONMENT.,NCI: The EPA is the US Government's watchdog agency responsible for controlling the pollution of air and water, pesticides, radiation hazards and noise pollution. The agency is also involved in research to examine the effects of pollution. (EPA Terminology Reference System)