Comprehensive Medical Evaluation in accordance with Silica OSHA Standard General Industry 1910.1053, Construction 1926.1153
Any worker that is exposed to respirable crystalline silica dust over the PEL of 50 µg/ m3 8-hour TWA or has exposure that requires use of a respirator more than 30 days in a year must be provided medical surveillance at least every 3 years. The medical evaluation includes history, physical, a chest x-ray with B-read, pulmonary function test, and a TB test.
