141-E:6 Indoor Asbestos Exposure Standards. –
I. The indoor non-occupational exposure standard shall be 0.01 fibers longer than 5 microns per cubic centimeter of air as determined by OSHA/NIOSH phase contrast optical microscopy methods, calculated as an 8-hour time weighted average.
II. The indoor occupational exposure standard shall be as provided for by the federal Occupational Safety and Health Administration in 29 CFR 1910, and the federal Environmental Protection Agency in 40 CFR 763, except that, where such standards exceed 0.1 fibers longer than 5 microns per cubic centimeter of air as determined by OSHA/NIOSH phase contrast optical microscopy methods, then the occupational standards shall be 0.1 fibers longer than 5 microns per cubic centimeter of air as determined by OSHA/NIOSH phase contrast optical microscopy methods.