What were the major changes to the Asbestos NESHAP?
Milling, Manufacturing, and Fabricating Sources Businesses which are involved in asbestos milling, manufacturing, and fabricating now must monitor for visible emissions for at least 15 seconds at least once a day (during daylight hours), and inspect air cleaning devices at least once a week. The facilities must maintain records of the results, and submit each quarter a copy of the visible emissions monitoring records if visible emissions occurred during the quarter. Facilities that install fabric filters (to control asbestos emissions) after the effective date of the revision must provide for easy inspection of the bags.
