(a) The owner or operator of an existing cremation unit shall:

1. (1) obtain appropriate operator certifications, as described in section 219-4.6 of this Subpart, within 12 months of the effective date of this Subpart for each uncertified operator at the facility;

2. (2) demonstrate compliance with the requirements of this Subpart no later than 60 months from the effective date of this Subpart. A demonstration of final compliance shall include the following information for each existing cremation unit:

   1. (i) an emissions testing report, as described in section 219-4.5 of this Subpart, indicating that each existing cremation unit meets the particulate matter limitation specified in section 219-4.3(a) of this Subpart;
   2. (ii) documentation indicating that each existing cremation unit is capable of meeting the requirements of this Subpart; and
   3. (iii) documentation of the certification status of each operator at the facility;
3. (3) the owner or operator of an existing cremation unit may submit a written request for a single extension to the deadline described in paragraph (2) of this subdivision. The request shall describe in detail the circumstances necessitating the extension and shall propose a projected final compliance date. The department, in its sole discretion, shall approve or deny the request on a case by case basis.