1. (a) Unless otherwise approved by the executive director, the permit holder shall submit an application for a periodic monitoring general operating permit (GOP) or a periodic monitoring case-by-case determination in accordance with the following schedule.

   1. (1) For an emission unit that is subject to an emission limitation or standard on or before the issuance date of a periodic monitoring GOP containing the emission limitation or standard, the permit holder shall submit an application no later than 30 days after the end of the second permit anniversary following issuance of the periodic monitoring GOP.
   2. (2) For an emission unit that becomes subject to an emission limitation or standard after the issuance date of a periodic monitoring GOP containing the emission limitation or standard, the permit holder shall submit an application no later than 30 days after the end of the second permit anniversary following the date that the emission unit became subject to the emission limitation or standard.
2. (b) An application for periodic monitoring requirements established under §122.600(b) of this title (relating to Implementation of Periodic Monitoring) shall be submitted upon request by the executive director.

Source Note:The provisions of this §122.604 adopted to be effective September 4, 2000, 25 TexReg 8688.