TY - BOOK AU - Cohrssen,John J. AU - Covello,Vincent T. TI - Risk analysis: a guide to principles and methods for analyzing health and environmental risks SN - 0934213208 PY - 1989/// CY - Washington, Wash. PB - Executive office of the president of the United States KW - Risk assessment KW - Health risk assessment KW - Environmental risk assessment N1 - Includes bibliographic references and index ER -