Several animal species are able to hear frequencies well beyond the human hearing range. Some dolphins and bats, for example, can hear frequencies up to 100 kHz. Elephants can hear sounds at 14â16 Hz, while some whales can hear infrasonic sounds as low as 7 Hz (in water).
Several federal agencies were established during the Nixon Administration. These include: 1  OSHA (Occupational Safety and Health Administration) 2  MSHA (Mine Safety and Health Administration)  NIOSH (National Institute for Occupational Safety and Health)
The Administrator is nominated by the President of the United States and must be confirmed by a vote of the Senate. The office of Administrator of the Environmental Protection Agency was created in 1970 in legislation that created the Environmental Protection Agency. The EPA Administrator is customarily accorded Cabinet rank by the President and sits with the President, Vice President, and the 15 Cabinet Secretaries.