An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Texas SIP: 30 TAC 112.21: Allowable Emission Rates Under Area Control Plan

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