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UPA <br /> 410 <br /> Unit 1 - 176 x 106 BTU/hr. <br /> Unit 2 - 176 x 106 BTU/hr. <br /> Unit 3 - 281 x 106 BTU/hr. <br /> Total = 633 x 106 BTU/hr. <br /> Permit issued 11/25/86 - would be regulated as Class A under the new MPCA rules. <br /> Regulated Items Class A' Old Class A New Existing Plant" <br /> Standards Standards Federal Guidelines <br /> PM <br /> Front half -- 0.015 gr/dscf <br /> Total 0.02 gr/dscf 0.020 gr/dscf 69 mg/dscm <br /> PCDD/PCDF <br /> Total -- 30 ng/dscm 60 ng/dscm <br /> 2,378 TCDD 3 ng/dscm -- <br /> equivalent <br /> • Acid gases <br /> HCL 90% or 50 ppm 90% or 25 ppm 50% or 25 ppmv <br /> SO2 -- 70% or 30 ppm 50% or 30 ppmv <br /> Carbon Monoxides <br /> (RDF) 400 ppm 200 ppm 200 ppmv <br /> Opacity 20% 10% 10% <br /> Hg (RDF) -- <br /> (short-term) 50 ug/dscm or measured as PM <br /> 85% <br /> (long-term) 90 day 30 ug/dscm or <br /> test 85% <br /> 15 month test 30 ug/dscm <br /> 'State Register <br /> 2Federal Register, p. 5516 2/11/91. <br /> 3Assumes UPA plant is in the large MWC plant category. <br /> maw:ENV/49004/UPAtb1.wp <br /> • <br />