To view a graphic illustrating asbestos exposure, click here.
Fibers are microscopic and nearly indestructible.
They do not evaporate, burn or dry out from heat or erode in water. Toxicity of different types vary, but exposure to any one of them can be fatal. Tremolite, the form found at Libby, is considered by many to be the most dangerous. Malignant mesothelioma Malignant mesothelioma is a cancer of the pleural or peritoneal cavity. In early stages of the disease, cancer is found in the lining of the chest cavity near the lung and heart or in the diaphragm.