In Risk Characterization, a Reference Dose (RfD) of 0

question 26

Multiple Choice

In risk characterization, a reference dose (RfD) of 0.007 means that

• A) 0.7 percent of people are exposed to the environmental hazard
• B) exposure to 0.007 milligrams of a pollutant per body weight per day over a lifetime should cause no harm
• C) there is a 0.007 percent probability that the pollutant causes no harm
• D) 7 out of 1 million people are affected by the pollutant

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Definitions:

Joseph Brant

The Mohawk leader who led the Iroquois against the Americans in the Revolutionary War.

Mohawk

A member of the Native American people originally from the Mohawk Valley in upstate New York.

Indian Confederacy

An Indian Confederacy refers to an alliance or union among different Native American tribes for mutual defense, political, or social reasons, historically significant in their relations with European settlers and the U.S. government.

Coastal South Carolina

A region along the southeastern coast of the United States, known for its unique geography, culture, and history.