PI's shall ensure that information and training are provided at the time of an employee's initial assignment to a work area where hazardous chemicals are present and prior to assignments involving new exposure situations. PI's may contact the CHO for assistance in providing training. Refresher training shall be conducted and documented at least annually. A. Information All laboratory personnel shall be informed of: 1. requirements of the HIOSH Standard, "Hazardous Chemicals in Laboratories" (Appendix III); 2. the contents and availability of this Chemical Hygiene Plan; 3. permissible exposure limits (PELs) for HIOSH regulated substances (Appendix IV) or recommended exposure limits where there is no applicable HIOSH standard; 4. signs and symptoms associated with exposures to hazardous chemicals used in their laboratory; 5. the location of reference materials on the hazards, safe handling, storage and disposal of hazardous chemicals found in the laboratory including, but not limited to, Material Safety Data Sheets (MSDS's). B. Training Employee training shall include: 1. the physical and health hazards associated with chemicals stored and used in their work area; 2. the contents of this Chemical Hygiene Plan; 3. methods and observations that may be used to detect the presence or release of a hazardous chemical (e.g., exposure monitoring conducted by the CHO, visual appearance or odor of hazardous chemicals when being released, etc.).