pivotal for safety. Chemical Process Safety Analysis, the Hazard Communication Program, Environmental Audits, Operating Permits, and Phase I Audits are examples of Environmental... of contamination which can effect exposures. The evaluation of the environmental hazards of a contaminant may include elements of toxicology, epidemiology, chemistry, ventilation, and physics.... An assumed acceptable environmental hazard may in reality be an unreasonably dangerous condition when evaluated from a position of knowledge. Contaminants have the tendency...