(1) Heart problems: The presumption for heart problems will apply if a firefighter is a former smoker and last smoked two years or more prior to the cardiac event.

(2) Lung conditions: The presumption for lung conditions will apply:

(a) For asthma if the firefighter is a former smoker who last smoked five years or more prior to the date of manifestation of the disease; or

(b) For COPD/emphysema/chronic bronchitis if the firefighter is a former smoker who last smoked fifteen years or more prior to the date of manifestation of the disease; or

(c) For lung cancer if the firefighter is a former smoker who last smoked fifteen years or more prior to the date of manifestation of the disease.