Clinical Waste Unspecified N.O.S Hazchem Panel SignThe Clinical Waste Unspecified N. O. S sign is used to label waste that comes from medical facilities, like hospitals or clinics, but does not fit into a specific category. "N. O. S" means "Not Otherwise Specified," which means the waste could include different medical materials that need special handling. This sign helps ensure that the waste is disposed of safely to protect people and the environment.