(k) Training and information. (1) The employer shall ensure that each employee can demonstrate knowledge of at least the following:
(ii) What the limitations and capabilities of the respirator are;
(iv) How to inspect, put on and remove, use, and check the seals of the respirator;
(vi) How to recognize medical signs and symptoms that may limit or prevent the effective use of respirators; and
(2) Training shall be conducted in a manner that is understandable to the employee.
(5) Retraining shall be administered annually and when the following situations occur:
(ii) Inadequacies in the employee's knowledge or use of the respirator indicate that the employee has not retained the requisite understanding or skill; or