§228.APPENDIX C. Past Compliance Dates

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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.

                    
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