A citizen's right to know : risk communication and public policy / Susan G. Hadden. Hadden, Susan G. Freedom of information United States. Hazardous substances Government policy United States. Hazardous substances Law and legislation United States. JC599.U5 H23 1989 323.445 20 HAC Includes bibliographical references and index. Boulder, Colo. : Westview, 1989. 1989. 1989 Text xvi, 239 p. : eng United States. United States. United States.