Tell employee they are being allowed to select their own respirator in order to get a good and comfortable fit. Tell employee to place different masks of different sizes to their face in order to find a mask that has a good fit. Have employee put on the chosen mask and wear for 5 minutes in order to assess comfort. Position on face and cheeks 4. Have employee move head up and down and side to side while taking slow deep breaths in order to seat the mask on face.
Employee conducts user seal check.
A. Positive pressure check a. B. Negative pressure check a. Inhale gently until facepiece collapses slightly 6. Fit testing exercises a. Taste threshold screening a. Performed without wearing a respirator b.