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Summary of Requirements

 

Control Requirements: North Front Range Ozone Non-Attainment Area
  • 90 percent Volatile Organic Compound (VOC) control requirement for the summertime ozone season beginning May 1 2011 (May 1 - September 30). 70 percent Volatile Organic Compound (VOC) control requirement for the remainder of the year.

 

Control Requirements: Statewide
  • Tank standards: New and existing condensate tanks emitting 20 tons per year or more of Volatile Organic Compounds (VOC) required to control emissions by 95 percent.
  • Engine Standards for new or relocated engines from out of state:

Maximum Engine Horsepower

Construction or Relocation Date NOx g/hp-hr CO g/hp-hr NMHC g/hp-hr
100 - 500 hp January 1, 2008
January 1, 2011
2.0
1.0
4.0
2.0
1.0
0.7
Greater than 500 hp July 1, 2007
July 1, 2010
2.0
1.0
4.0
2.0
1.0
0.7
  • Glycol Dehydrator controls: New and existing glycol dehydrators emitting more than 15 tons per year of Volatile Organic Compounds (VOCs) are required to control emissions by 90 percent.