Biologically Effective Dose 1
Biologically Effective Dose 1 : (a) The amount of the deposited or absorbed contaminant that reaches the cells or target site where an adverse effect occurs or where an interaction of that contaminant with a membrane surface occurs. [NRC, 1991: Human Exp. for Airborne Pollutants]; (b) The amount of a deposited or absorbed chemical that reaches the cells or target site where an adverse effect occurs, or where that chemical interacts with a membrane surface. [USEPA, 1992: GL for Exposure Assessment] [REAP, 1995: Residential Exposure Assessment Project] [USEPA, 1997a: EPA Terms of Environment]