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NOx Trading Programs


Overview of NOx Trading Programs

All NOx trading programs have the same goal: reduce the transport of ground-level ozone across large distances. However, the programs have different developed through different mechansisms, which has led to differences in the number of states involved, the timing of the compliance period each year, and the expected reductions.

Detailed information is available on the home page for each program, but the following table summarizes the key differences:

  Ozone Transport Commission (OTC) NOx Budget Program NOx State Implementation Plan (SIP) Call
States Covered CT, DC, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VT AL, CT, DC, DE, IL, IN, KY, MA, MD, MI, NC, NJ, NY, OH, PA, RI, SC, TN, VA, WV (Phase 1); GA, MO (Phase 2)
Compliance Period May 1 - September 30 of each year May 1 - September 30 of each year
(In 2004 the compliance period begins May 31.)
Initial Compliance Year 1999 2003/2004 (Phase 1); 2007 (Phase 2)
Emissions Cap 219,000 tons in 1999;
143,000 tons in 2003
 
Baseline Year 1990 1995
Baseline Emissions 490,000 tons  
Program Owner OTC; Allowances set by OTC, program administered by EPA States and EPA; States have the option of participating in the trading program and establishing unit allocations, program administered by EPA

 

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