NR 447.03(2)(2) Each owner or operator of an asbestos mill shall meet all of the following requirements: NR 447.03(2)(a)(a) Monitor each potential source of asbestos emissions from any part of the mill facility, including air cleaning devices, process equipment and buildings that house equipment for material processing and handling, at least once each day, during daylight hours, for visible emissions to the outside air during periods of operation. The monitoring shall be by visual observation of at least 15 seconds duration per source of emissions. NR 447.03(2)(b)(b) Inspect each air cleaning device at least once each week for proper operation and for changes that signal the potential for malfunction, including, to the maximum extent possible without dismantling other than opening the device, the presence of tears, holes and abrasions in filter bags and for dust deposits on the clean side of bags. For air cleaning devices that cannot be inspected on a weekly basis according to this section, submit to the department, and revise as necessary, a written maintenance plan to include, at a minimum, the following: NR 447.03(2)(c)(c) Maintain records of the results of visible emissions monitoring and air cleaning device inspections and include the following: NR 447.03(2)(c)3.3. Condition of fabric filters, including presence of any tears, holes and abrasions. NR 447.03(2)(c)5.5. Brief description of corrective actions taken, including date and time. NR 447.03(2)(d)(d) Furnish upon request, and make available at the affected facility during normal business hours for inspection by the department, all records required under this section. NR 447.03(2)(e)(e) Retain a copy of all monitoring and inspection records for at least 2 years. NR 447.03(2)(f)(f) Submit quarterly a copy of visible emission monitoring records to the department if visible emissions occurred during the report period. Quarterly reports shall be postmarked by the 30th day following the end of the calendar quarter. NR 447.03 HistoryHistory: Cr. Register, October, 1992, No. 442, eff. 11-1-92. NR 447.04(1)(1) Except as provided in sub. (2) no person may construct or maintain a roadway with asbestos tailings or asbestos-containing waste material on that roadway. NR 447.04(2)(2) A person may use asbestos tailings in the construction or maintenance of a roadway only if any one of the following applies: NR 447.04(2)(a)(a) It is a temporary roadway on an area of asbestos ore deposits (asbestos mine). NR 447.04(2)(b)(b) It is a temporary roadway at an active asbestos mill site and is encapsulated with resinous or bituminous binder. The encapsulated road surface shall be maintained at a minimum frequency of once per year to prevent dust emissions. NR 447.04(2)(c)(c) It is encapsulated in asphalt concrete meeting the specifications contained in section 401 of Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-92, 1992, incorporated by reference in s. NR 484.06 (3), or their equivalent. NR 447.04 HistoryHistory: Cr. Register, October, 1992, No. 442, eff. 11-1-92; am. (2) (c), Register, December, 1995, No. 480, eff. 1-1-96. NR 447.05(1)(1) Applicability. This section applies to the following manufacturing operations using commercial asbestos: NR 447.05(1)(a)(a) The manufacture of cloth, cord, wicks, tubing, tape, twine, rope, thread, yarn, roving, lap or other textile materials. NR 447.05(1)(c)(c) The manufacture of fireproofing and insulating materials.