The wearing of respiratory protective equipment is an inherent part of safety apparel worn in many industries today and because people come in all shapes and sizes one particular type may not fit all. Face Fit Testing is a method used for checking that a tight fitting facepiece matches the person’s facial features and seals adequately - this can be performed either qualitatively or quantitatively. RPS laboratories can help in two ways: contracting out initial testing and contracting out both the testing and the on-going maintenance.