Regulatory Text: 
Section 112.21.  Allowable Emission Rates Under Area Control Plan.

(Approved by EPA 08/30/93 (58 FR 45457) at 52.2270(c)(76) effective 10/29/93.)

   No person or persons who have been issued a board order establishing an area control plan pursuant to Section 112.20 of this title (relating to Exemption Procedure), may cause or contribute to a condition in which the ambient air quality in the affected areas of the state will exceed 0.5 parts per million by volume of sulfur dioxide averaged over a one-hour period.

As adopted by TACB 09/18/92 effective 10/23/92