TY - SER AU - Henshel, Diane S. TI - Environmental toxicology and risk assessment SN - 0803126182 (hbk.) U1 - 615.902 PY - 1993///-2001 CY - Philadelphia, PA PB - ASTM KW - Environmental health KW - Health risk assessment KW - Pollution KW - Hazardous Substances N1 - Includes references and index. ER -