To Define ALARA,health Care Facilities Usually Adopt Investigation Levels,defined as Level

Multiple Choice

To define ALARA,health care facilities usually adopt investigation levels,defined as level I and level II.In the United States,these levels are traditionally _______ to ______ the applicable regulatory standards.

A) one twentieth;one tenth
B) one tenth;three tenths
C) three tenths;one half
D) one half;seven tenths