Section 336.2504. Stationary source specific mercury emission standards.

(1) This rule provides for stationary source specific mercury emissions standards unless the federal MATS is an applicable requirement.

(2)   Lansing board of water and light, eckert power station, units 1, 2, 3, 4, 5, and 6 shall be provided the following extension to the provisions in R 336.2503(1):

(a)     Beginning April 16, 2015, Lansing board of water and light, eckert  power station, units 1, 2, and 3 shall comply with the VLME unit provisions under R 336.2503(3) and units 4, 5, and 6 shall each receive a mercury emission limit of 19 pounds (304 ounces) per 12-month rolling time period as determined at the end of each calendar month.

(b)   Beginning April 16, 2015, the total mercury emission limit for Lansing board of water and light, eckert power station, affected existing EGUs shall be 84 pounds (1,344 ounces) per 12-month rolling time period as determined at the end of each calendar month.

(c)   Beginning April 16, 2018, the total mercury emission limit for Lansing board of water and light, eckert power station, affected existing EGUs shall be 57 pounds (912 ounces) per 12-month rolling time period as determined at the end of each calendar month.

(d)    Compliance with the mercury emission limits may be demonstrated using stationary source-wide pooling.

(e)   Not later than January 16 of the applicable compliance year, Lansing Board of water and light eckert power station shall provide verification and certification of their proposed compliance demonstration notification extension using written documentation under R 336.2509.

(f)    If the owner or operator for Lansing board of water and light, eckert power station, units 1, 2, 3, 4, 5, and 6 has obtained an extension of compliance for the federal MATS pursuant to 40 C.F.R. 63.6(i), adopted by reference in R 336.1902, then the requirements in subdivisions (a), (b), and (c) of this subrule are suspended for   the duration of the extension of compliance regardless of whether the federal MATS is an applicable requirement.

(3)   As an alternative to R 336.2503(1) or (3), the city of Marquette, shiras unit 3, and Michigan south central power agency, endicott unit 1, may request on a case-by-case basis, an alternative mercury standard as follows:

(a)   The owner or operator of the existing EGU shall submit a demonstration of best available control technology for mercury at an existing EGU not later than the end of December before the applicable compliance year. The demonstration shall include, at a minimum, a description of the mercury emission controls, mercury emissions data, and mercury emissions reductions.

(b)   The demonstration shall be subject to the review and approval of the department. The department approval of an alternative mercury emission standard shall be based on the information submitted. If the department determines the alternative mercury emission

standard does not demonstrate best available control technology for mercury at an existing EGU, then the department may disapprove the plan in writing, stating its reasons for disapproval, and require the existing EGU to comply with R 336.2503(1) or (3).

(c)   If the owner or operator for the city of Marquette, shiras unit 3, or the owner or operator for Michigan south central power agency, endicott unit 1, has obtained an extension of compliance for the federal MATS pursuant to 40 C.F.R. 63.6(i), adopted by reference in R 336.1902, then the requirements in subdivision (a) and (b) of this subrule are suspended for the duration of the extension of compliance regardless of whether the federal MATS is an applicable requirement.

History: 2009 AACS; 2013 AACS.