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. Have employee put fit test hood on c. Spray threshold check solution into the hood - ten rapid squeezes, fully pressing on bulb and letting it completely expand e. Have employee remember the taste for reference during the fit test 2. Aerosol fit test procedure a.