The government has ordered schools, hospitals and other institutions with asbestos roofing to do away with them by December.
Environment CS Aden Duale directed the National Environment Management Authority to write to the institutions to dispose of the hazardous fibrous minerals.
Asbestos fibres may cause serious lung diseases including asbestosis and cancer. Smoking also increases the risk of developing illness from asbestos exposure.
Disease symptoms may take several years to develop following exposure.