Laboratory Safety Plan Chapter 1 - Introduction 1. PELs for regulated substances are provided in Appendix B .
PELs refer to airborne concentrations of substances and are averaged over an eight-hour day.
Action levels are air concentrations below the PEL which nevertheless require that certain actions such as medical surveillance and workplace monitoring take place. Written information on agents must be readily accessible to employees or their representatives. Employees have a conditional right to refuse to work if assigned to work in an unsafe or unhealthful manner with a hazardous substance, harmful physical agent or infectious agent. If exposures to any regulated substance routinely exceed an action level or permissible exposure level there must also be employee medical exposure surveillance. In this section, specify which college or department or division is covered by this Laboratory Safety Plan.