Fed-OSHA Issues Respiratory Rule

The federal Occupational Safety and Heath Administration has issued a final rule adding a new fit-testing protocol to its respiratory protection standard.The revision adds a quantitative fit-testing procedure known as Controlled Negative Pressure REDON. It requires three test exercises - breathing, bending over and head shaking - followed by two redonnings of the respirator to check for leakage.The procedures include:In a normal standing position without talking, the subject bre