An applicability determination is a formal EPA response to questions about how regulations apply to a particular situation. Below are EPA's responses to written requests for applicability determinations under the Cross-State Air Pollution Rule. They illustrate the facts that EPA considers when deciding how CSAPR applies to power sector entities. Each of the following determinations is based on application of 40 CFR 97.404, 97.504, 97.604 and/or 97.704 to the specific facts in each case and may not apply to other cases.

• Kinder Morgan SACROC Carbon Dioxide Treatment Plant (Facility ID (ORISPL) 56233) (PDF)(2 pp, 193 K, December 18, 2014)
  Two natural gas-fired combined cycle combustion turbines that have not served a generator producing electricity for sale at any time on or after January 1, 2005.
• Portside Energy Facility (Facility ID (ORISPL) 55096) (PDF)(1 pg, 167 K, January 11, 2017)
  One natural gas-fired combustion turbine operated in combined-cycle configuration and two natural gas-fired auxiliary boilers qualify for an applicability exception available to certain cogeneration units.
• Veolia Energy Edison Street facility (Facility ID (ORISPL) 880006) (PDF)(4 pp, 30 K, January 4, 2012)
  Four boilers that have never served electrical generators.
• Veolia Energy Philadelphia, Inc., Schuylkill Station (Facility ID (ORISPL) 50607) (PDF)(3 pp, 24 K, May 18, 2015)
  Three oil- fired boilers that have not served a generator producing electricity for sale at any time on or after January 1, 2005. Area Navigation Cross-State Rule Home Where You Live Basic Information Technical Information Regulatory Actions Resources for Implementation Frequently Asked Questions Bulletins