| http://www.w3.org/ns/prov#value | - GAO was asked to examine: (1) what is known about the extent to which perchlorate occurs in the nation's water and food supply and its likely sources; (2) what actions DOD, NASA, and DOE have taken to respond to or lessen perchlorate releases; and, (3) what actions states, such as California and Massachusetts, have taken to regulate perchlorate.
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