Professional Respirator Mask Fit Test is a must for all workers who are required to wear a respirator. A Qualitative Respirator Fit Test ensures a face-to-mask seal has been achieved. Thereby not allowing deadly substances from being inhaled into the lungs. Not having a fit test most likely would cause damage to your lungs or worse. Asbestos, Crystalline Silica (concrete dusk), Mold, Lead Paint Dust, and so on can eventually damage your lungs and cause death. Protect yourself. Equally important, is that all Qualitative Respirator Fit Test will follow the CSA Z94.4-02 Standard. With attention to detail, workers will go through an Instructional Orientation that includes the following: *Complete respirator disassembling *Cleaning *Reassembling *Self-checks *Storage and Care *Nature of the substance they are working with *Decontamination