during this second sensitivity check, then the fit test is passed. The test outcome is documented in writing on the Respirator Use Training Form Appendix 3. – Controlled Negative Pressure Test Protocol The CNP fit test method measures leak rates through the face piece as a method for determining the face piece fit for negative pressure respirators. For the purpose of this test, the inhalation valves will be removed and special adaptors will be installed. The following sequence of exercises will be performed: Exercises Exercise procedure Measurement procedure Facing Forward Stand and breathe normally, Face forward, while holding breath without talking, for 30 seconds. for 10 seconds. Bending Over Bend at the waist, as if going to Face parallel to the while touch his or her toes, for 30 holding breath for 10 seconds seconds. Head Shaking For about three seconds, shake Face forward, while holding breath head back and forth vigorously for 10 seconds. several times while shouting. REDON 1 Remove the respirator mask, loosen Face forward, holding breath all face piece straps, and then redon for 10 seconds. the respirator mask. REDON 2 Remove the respirator mask, loosen Face forward, while holding breath all face piece straps, and then redon for 10 seconds. the respirator mask again.
during this second sensitivity check, then the fit test is passed. The test outcome is documented in writing on the Respirator Use Training Form – Appendix 3. Controlled Negative Pressure Test Protocol The CNP fit test method measures leak rates through the face piece as a method for determining the face piece fit for negative pressure respirators. For the purpose of this test, the inhalation valves will be removed and special adaptors will be installed. The following sequence of exercises will be performed: Exercises Exercise procedure Measurement procedure Facing Forward Stand and breathe normally, without talking, for 30 seconds. Face forward, while holding breath for 10 seconds. Bending Over Bend at the waist, as if going to touch his or her toes, for 30 seconds. Face parallel to the while holding breath for 10 seconds Head Shaking For about three seconds, shake head back and forth vigorously several times while shouting. Face forward, while holding breath for 10 seconds. REDON 1 Remove the respirator mask, loosen all face piece straps, and then redon the respirator mask. Face forward, holding breath for 10 seconds. REDON 2 Remove the respirator mask, loosen all face piece straps, and then redon the respirator mask again. Face forward, while holding breath for 10 seconds.
201005121050190.Fit%20Test%20Procedures.docx