Ashford, Nicholas A . Chemical exposures : law levels and high stakes / Nicholas A. Ashford & Claudia S. Miller. - New York : Van Nostrand Reinhold , 1991. - vii, 214p. : ill., figs and table ; 24cm . Includes bibliography and index ISBN: 0442004990 USD 22.80 Subjects--Index Terms: TOXICOLOGY Dewey Class. No.: 363.1791 / ASH/C