The Chemical Hygiene Plan (CHP) is designed to protect employees from health hazards associated with hazardous chemicals in the laboratory and keeping exposures below Permissible Exposure Limits (PEL) of Occupational Safety and Health Administration (OSHA) regulated substances. This plan is designed to meet the requirements of OSHA Standard 29 CFR 1910.1450, ‘Occupational Exposure to Hazardous Chemicals in Laboratories.’