Rule 621
After June 30, 1972 commercial activities involving potential discharge of asbestos from the construction, alteration, repair or demolition of a structure or from the processing or manufacturing of asbestos-containing products were prohibited except in compliance with certain requirements.
Rule 631
The spraying of asbestos-containing materials was prohibited after March 31, 1972.
Rule 651
After June 30, 1972, factories, plants or enterprises engaged in processing or manufacturing of any asbestos-containing product were prohibited from discharging visible emissions of particulate matter or concentrations of asbestos fiber in excess of 2 per cubic centimeter.
Ill. Admin. Code tit. 35, pt. 228, subpt. F, app C