§ 123.205. Emission standards for coal-fired EGUs.

 (a)  New EGUs. In addition to the mercury emission limitation requirements in §  123.207 (relating to annual emission limitations for coal-fired EGUs), the owner or operator of a new EGU subject to §  123.203 (relating to applicability) shall comply at the commencement of operation on a rolling 12-month basis with one of the following standards:

   (1)  PCF EGU. The owner or operator of a PCF EGU shall comply with either of the following:

     (i)   A mercury emission standard of 0.011 pound of mercury per GWh.

     (ii)   A minimum 90% control of total mercury as measured from the mercury content in the coal, either as fired or as approved in writing by the Department.

   (2)  CFB EGU. The owner or operator of a CFB EGU shall comply with the following applicable provisions:

     (i)   CFB EGUs burning 100% coal refuse as the only solid fossil fuel shall comply with either of the following:

       (A)   A mercury emission standard of 0.0096 pound of mercury per GWh.

       (B)   A minimum 95% control of total mercury as measured from the mercury content in the coal refuse, either as fired or as approved in writing by the Department.

     (ii)   CFB EGUs burning 100% coal as the only solid fossil fuel shall comply with either of the following:

       (A)   A mercury emission standard of 0.011 pound of mercury per GWh.

       (B)   A minimum 90% control of total mercury as measured from the mercury content in the coal, either as fired or as approved in writing by the Department.

     (iii)   CFB EGUs burning multiple fuels shall comply with a prorated emission standard based on the percentage of heat input from the coal and the percentage of heat input from the coal refuse.

   (3)  IGCC EGU. The owner or operator of an IGCC EGU shall comply with one of the following:

     (i)   A mercury emission standard of 0.0048 pound of mercury per GWh.

     (ii)   A minimum 95% control of total mercury as measured from the mercury content in the coal, either as processed or as approved in writing by the Department.

 (b)  Other requirements for new EGUs. In addition to the emission requirements of subsection (a), the applicable requirements for a new EGU include:

   (1)  Best available technology requirement. The emission standards in this subsection will serve as a baseline for review and approval of case-by-case best available technology determinations for a new EGU in accordance with Chapter 127 (relating to construction, modification, reactivation and operation of sources).

   (2)  Standards of performance for new stationary sources requirements. In addition to the requirements of this section and § §  123.201—123.204 and 123.206—123.215, the owner or operator of a new EGU shall also comply with the standards of performance for new stationary sources promulgated in 40 CFR Part 60, Subpart Da (relating to standards of performance for electric utility steam generating units for which construction is commenced after September 18, 1978) and adopted in their entirety and incorporated by reference in Chapter 122 (relating to National standards of performance for new stationary sources).

 (c)  Existing EGUs. In addition to the mercury emission limitation requirements of §  123.207, the owner or operator of an existing EGU subject to the emission standards for EGUs specified in this section shall comply on a rolling 12-month basis with one of the following standards:

   (1)  Phase 1. Effective from January 1, 2010, through December 31, 2014:

     (i)   PCF EGU. The owner or operator of a PCF shall comply with one of the following:

       (A)   A mercury emission standard of 0.024 pound of mercury per GWh.

       (B)   A minimum 80% control of total mercury as measured from the mercury content in the coal, either as fired or as approved in writing by the Department.

     (ii)   CFB EGU. The owner or operator of a CFB burning coal refuse shall comply with one of the following:

       (A)   A mercury emission standard of 0.0096 pound of mercury per GWh.

       (B)   A minimum 95% control of total mercury as measured from the mercury content in the coal refuse, either as fired or as approved in writing by the Department.

   (2)  Phase 2. Effective beginning January 1, 2015, and each subsequent year:

     (i)   PCF EGU. The owner or operator of a PCF shall comply with one of the following:

       (A)   A mercury emission standard of 0.012 pound of mercury per GWh.

       (B)   A minimum 90% control of total mercury as measured from the mercury content in the coal, either as fired or as approved in writing by the Department.

     (ii)   CFB EGU. The owner or operator of a CFB burning coal refuse shall comply with one of the following:

       (A)   A mercury emission standard of 0.0096 pound of mercury per GWh.

       (B)   A minimum 95% control of total mercury as measured from the mercury content in the coal refuse, either as fired or as approved in writing by the Department.

 (d)  Credit for fuel pretreatment. The owner or operator of an EGU may request, in writing, credit for the mercury removal efficiency resulting from the pretreatment of coal or coal refuse towards the minimum percent control efficiency of total mercury requirements specified in this section. The credit shall be approved, in writing, by the Department consistent with the process outlined in 40 CFR 60.50da (relating to compliance determination procedures and methods).

   The provisions of this §  123.205 issued under section 5(a)(1) of the Air Pollution Control Act (35 P. S. §  4005(a)(1)).

   The provisions of this §  123.205 adopted February 16, 2007, effective February 17, 2007, 37 Pa.B. 883.

   This section cited in 25 Pa. Code §  123.201 (relating to purpose); 25 Pa. Code §  123.202 (relating to definitions); 25 Pa. Code §  123.203 (relating to applicability); 25 Pa. Code §  123.204 (relating to exceptions); 25 Pa. Code §  123.206 (relating to compliance requirements for the emission standards for coal-fired EGUs); 25 Pa. Code §  123.207 (relating to annual emission limitations for coal-fired EGUs); 25 Pa. Code §  123.209 (relating to petition process); 25 Pa. Code §  123.210 (relating to general monitoring and reporting requirements); 25 Pa. Code §  123.214 (relating to coal sampling and analysis for input mercury levels); and 25 Pa. Code §  123.215 (relating to recordkeeping and reporting).