Inhalation {Ans: Involves gases, vapors, and particulate matter including dust}Skin Absorption {Ans: Many compounds can be absorbed through the skin. Ex: cyanide or phenol}Ingestion {Ans: Workers can unknowingly eat or drink harmful agents. Toxic compounds are capable of being absorbed from GI tract into the blood}Biological Hazards {Ans: Exposure to biological hazards in the workplace such as infectious microorganisms, biological allergens, and toxins}Nonionizing Radiation {Ans: A form of electromagnetic radiation that includes microwaves, infrared radiation, visible radiation, ultraviolet radiation, and lazers.}Tularemia {Ans: Occurs in rabbits and other animals thru infected meat and drinking water. Presents with pneumonia-like symptoms, swollen and painful lymph nodes. Bacteria; can also be inhaled}