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ECEIV~D JUN 1 5 2~J01 <br />MINNESOTA POLLUTION CONTROL AGENCY <br />PUBLIC NOTICE ON PROPOSED <br />AIR EMISSION FACILITY PERMIT <br />NOTICE IS HEREBY GIVEN, that the Commissioner of the Minnesota Pollution Control Agency <br />(MPCA) proposes to issue Air Emission Permit No. 12300053-002 to Metropolitan Council for their <br />wastewater treatment facility located at 2400 Childs Road, St. Paul, Ramsey County, Minnesota. <br />The permit action is for modification and operation of the facility. The permit action is a major <br />amendment; therefore, the permit has been placed on public notice. <br />This permit amendment authorizes construction of three fluidized bed sewage. sludge incinerators and an <br />alkaline stabilization system (with ancillary equipment), two replacement auxiliary boilers and an <br />additional emergency back-up diesel-driven electric generator. The multiple hearth incinerators and <br />associated equipment will be retired. The facility is located in a PMionon-attainment area, and emissions <br />increases are limited to below significance thresholds under New Source Review (including PSD). <br />Hazardous Air Pollutants (HAPs) emissions are limited to non-major levels under § 112 of the Clean Air <br />Act Amendments of 1990. <br />A summary of the Potential to Emit (PTE) in tons per year is as follows: <br />Pollutant PM PM10 S02 NOx VOCs CO Lead Single **All <br /> HAP* HAPa <br />Emission 22.1 13.0 36.4 -U7.3 30.1 -533.2 0.50 na na <br />changes under <br />New Source <br />Review <br />Net change in -175.3 -102.8. -3117.6 -891.6 -136.9 -6992.0 -1.37 3.57 -0.43 <br />PTE including <br />decreases in <br />emissions <br />Total Facility 109.8 61.0 56.9 289.3 39.8 155.6 0.69 6.94 11.72 <br />PTE after <br />modification <br />PM =Particulate Matter PM~o = PM smaller than 10 microns <br />SOS =Sulfur Dioxide NOx =Nitrogen Oxides <br />VOCs =Volatile Organic Compounds CO =Carbon Monoxide <br />HAP =Hazardous Air Pollutant <br />*Manganese is the HAP with the highest PTE <br />**Total HAPs include lead in the total. <br />The Permittee is not required to submit a pollution prevention progress report pursuant to Minn. Stat. <br />6 115D.08. <br />The preliminary determination to issue the air emission permit is tentative. There are four formal <br />procedures for public participation in the MPCA's consideration of the permit application. Interested <br />persons may (1) submit written comments on the proposed permit; (2) request that the MPCA hold a <br />public information meeting; (3) request the MPCA hold a contested case hearing; and/or (4) submit a <br />petition to the Commissioner requesting that the MPCA Board consider the permit matter. <br />