During the 1950s and 1960s, the U.S. Army conducted atmospheric dispersion tests in many American cities using fluorescent particles of zinc cadmium sulfide (Zn
This report begins by providing an overview of demographic modeling, including the strengths and weaknesses of this technique. Then the elements of the model ar
During the 1950s and 1960s, the U.S. Army conducted atmospheric dispersion tests in many American cities using fluorescent particles of zinc cadmium sulfide (Zn
Determining the health risks to humans of exposure to toxic substances in the environment is made difficult by problems such as measuring the degree to which pe