5 Colo. Code Regs. § 1001-10-D-IV

Current through Register Vol. 47, No. 20, October 25, 2024

Section 5 CCR 1001-10-D-IV - Source

IV.A. An alternative emission limitation may be granted under this Section to an existing source. For the purposes of this Section only, a source is defined as follows:

IV.A.1. A building structure, facility, or installation identified as a source by the EPA or the Division;

IV.A.2. All portions of an entire contiguous plant site under common ownership or control that emit hazardous air pollutants;

IV.A.3. Any portion of an entire contiguous plant site under common ownership or control that emits hazardous air pollutants and can be identified as a facility, building, structure, or installation for the purposes of establishing standards under Section 112(d) of the Federal act or Section 25-7-109.3(3) of the Act; or

IV.A.4. Any individual emission point or combination of emission points within a contiguous plant site under common control, provided that emission reduction from such point or aggregation of points constitutes a significant reduction of hazardous air pollutant emissions of the entire contiguous plant site.

IV.B. For purposes of Section IV.A.4., emissions reductions are considered significant if they are made from base year emissions of not less than:

IV.B.1. A total of 10 tons per year of hazardous air pollutants where the total emissions of hazardous air pollutants in the base year from the entire contiguous plant site is greater than 25 tons per; or

IV.B.2. A total of 5 tons per year of hazardous air pollutants where the total emissions of hazardous air pollutants in the base year from the entire contiguous plant site is less than or equal to 25 tons per year.

5 CCR 1001-10-D-IV

37 CR 18, September 25, 2014, effective 10/15/2014

38 CR 05, March 10, 2015, effective 3/30/2015

38 CR 18, September 25, 2015, effective 10/15/2015

39 CR 18, September 25, 2016, effective 10/15/2016

40 CR 12, June 25, 2017, effective 7/15/2017

41 CR 11, June 10, 2018, effective 6/30/2018

42 CR 16, August 25, 2019, effective 9/14/2019

43 CR 03, February 10, 2020, effective 1/16/2020

43 CR 03, February 10, 2020, effective 3/1/2020

43 CR 12, June 25, 2020, effective 7/15/2020

44 CR 04, February 25, 2021, effective 3/17/2021

44 CR 12, June 25, 2021, effective 7/15/2021

45 CR 12, June 25, 2022, effective 7/15/2022

46 CR 12, June 25, 2023, effective 7/15/2023

47 CR 12, June 25, 2024, effective 7/15/2024