As a Part of the National Contingency Plan (NCP), the National

Multiple Choice

As a part of the National Contingency Plan (NCP) , the National Priorities Plan (NPL) is a state-federal effort to earmark a list of ranked sites for clean-up that has experienced hazardous pollution. The priorities are established by taking into account

A) types of hazardous material at the site.
B) quantities of hazardous materials at the site.
C) the possibility of human exposure to the site and the materials.
D) all of the above.