The Michigan Occupation Safety and Health Administration (MIOSHA) recently made a significant revision to the state lead standard. The revision lowers the acceptable blood lead levels (BLL) for workers. MIOSHA, which regulates workplace safety and health in the state, implemented a new rule requiring that employees be removed from lead exposure when their BLL reaches 30 µg/dL and may not return to work involving lead exposure until their BLL is below 15 µg/dL. The average BL