AIR POLLUTION CONTROL CONSTRUCTION PERMIT REVISION

EI FACILITY NO: 111003090 CONSTRUCTION PERMIT NO.: 14

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TYPE: 

### Construction Permit for Process es : B21, B22, P25, P26, P31, F99

In compliance with the provisions of Chapter 285, Wis. Stats., and Chapters NR 400 to NR 499, Wis. Adm. Code,

Name of Source: W PL

- Columbia Energy Center

Street Address: W8375 Murray Road,

Pardeeville, Columbia County, Wisconsin

Responsible Official, & Title: Jerald Lokenvitz, Plant Manager

is authorized to modify and initially operate two coal

- fired utility boilers described in the plans and specifications dated September 23, 2014 through November 25, 2014

, and May 26 , 2015 through Ju ly 3 0 , 2015 in conformity with the conditions herein . The authority to construct, modify, replace and/or reconstruct any process covered in this Construc tion Permit expires thirty six (36 ) months from the date of issuance. This approved period to construct, mod ify, replace and/or reconstruct may be extended for up to 18 months upon request for cause, prior to expiration, unless otherwise specified by this construction permit. The conditions of this construction permit are permanent and may only be revised throug h a revision of the construction permit or through the issuance of a new construction permit. [s. 285.60(1), Wis. Stats.]

Conditions of the construction permit marked with an asterisk (*) have been created outside of the Wisconsin’s federally approved Stat e Implementation Plan (SIP) and are not federally enforceable.
This authorization requires compliance by the permit holder with the emission limitations, monitoring requirements and other terms and conditions set forth in Parts I and II hereof.

Dated at Ma dison, Wisconsin September 10, 2015

STATE OF WISCONSIN DEPARTMENT OF NATURAL RESOURCES For the Secretary



### By /s/ Kristin Hart Kristin L. Hart, Chief Permits and Stationary Source Modeling SectionFID No. 111003090, Permit No. 14

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### Part I

B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. Pollutant: 1. Particulate Matter, PM 10 and PM 2.5 Emissions

a. Limitations 3 :

(1)( a ) Particulate matter emissions may not exceed 0.025 pounds per million Btu heat input. [s. 285.65(7), Wis. Stats. , and Permits 11

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(2) Particulate matter emissions may not exceed 0.10 pounds per million Btu heat input. [s. NR 415.06(2)(c), Wis. Ad m. Code, and Permits and 14

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(3) Beginning December 31, 2014, and continuing thereafte r, filterable PM Emissions from B21 (Unit 1) may not exceed 0.015 lb/mmBtu heat input based on a 24

- Hour Rolling Average. Notwithstanding this PM Emission Rate requirement, the permittee may ensure tha t B21 (Unit 1) achieves a filterable PM Emission Rate of no greater than 0.030 lb/mmBTU during periods of level 3 (high range) correlation testing under PS

- 11, Section 8.6(4), p rovided that such correlation testing is conducted in accordance with the procedures approved by EPA as part of the correlation plan required by B’1.b.(17)

. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 117, and Permit 14

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( 4 ) The permittee shall only fire: (a) Coal, natural gas and #2 fuel oil as primary fuels in the boiler; and (b) Wood fuel, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil as alternate fuels in the boiler. [ss. 285.65(3) and 285.63(1)(a), Wis. Stats.]

See section I.C. for additional requirements that apply while firing wood in the boiler. See section I.D. for additional req uirements that apply while firing petroleum contaminated soil in the boiler. See sectio n I.E. for additional requirements that apply while firing boiler cleaning waste liquids in the boiler. See section I.F. for additional requirements that apply while firing waste oil in the b oiler. b. Compliance Demonstration: c. Test Methods, Recordkee ping, and Monitoring: (1) To demonstrate compliance with I.B’.1.a.(1)(a) , (b) and (c) , and (2 ) the permittee shall conduct a compliance emission test within 90 days after the start of initial operation of the spray dryer for B21 using USEPA Methods 5(Teflon filter media) or 201A (Wisconsin modified) and 202, or another method approved by the Depart ment in writing, while operating at 100% capacity. During the test, the electrostatic precipitator shall be disabled, such that the test can show that the emission limit can be met without the electrostatic precipitator in operation. If operation at 100% capacity is not feasible, the source shall operate at a capacity level which is approved by the Department in writing. [s. NR 439.03, Wis. Adm. Code, and Permit 14

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(2) The following compliance emission tests of the boiler shall be (1)(a) Reference Test Method for Particulate Matter Emissions: Whenever compliance emission testing is required, US EPA Method 5 (Teflon filter media) or 201A (Wisconsin modified), including condensible backhalf emis sions (Method 202), or another method approved by the Department in writing, shall be used to demonstrate compliance. [ s. NR 439.06(1), Wis. Adm. Code]

(1)(b) Reference Test Method for PM 10 Emissions: Whenever compliance emission testing is required, U S EPA Method 5 (Teflon filter media), or Method 201A, including condensible backhalf emissions (Method 202), or another method approved by the Department in writing, shall be used to demonstrate compliance. [s. NR 439.06(1), Wis. Adm. Code]

1 Note: The requirements and emission limitations outlined in this section apply to the boiler at all times regardless of the fuel be ing fired.
2 T he emissions unit consisting of the boiler and the spray dryer absorber has been modified as a part of this project warranting the applicatio n of NR 415.06(2)(c) and 431.05. However, the combustion portion of boiler has not been modified
, and the fuel burned will not be changed because of this project . The re will be no change in emissions due to combustion of fuel. As such, the proposed project will not result in the applicability of the New Source Performance Standard (NSPS) in ss. NR 440.19 and NR 440.20, Wis. Adm. Code. 3 Emission limits in (1)(a), (b) and (c) are proposed by the permittee to avoid PSD applicability for the project covered under Permit 11

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. conducted to demonstrate compliance with the particulate matter, PM10 and PM2.5 emission limits in condition I.B’.1.a.(1): (a) Testing required in I.B’.1.b.(1) and (2) shall be conducted every 24 months as long as this permit remains valid; (b) Each biennial test sha ll be performed within 90 days of the anniversary date of the issuance of this permit or within 90 days of an alternate date specified by the Department in writing; (c) The permittee may request and the Department may approve a waiver from the required b iennial testing provided the results of the most recently completed test demonstrate that particulate matter emissions are 50 percent or less of the applicable limitations in condition I.B’.1.a.(1); (d) This testing shall be conducted in accordance with Co ndition No. I.ZZZ.1.a

. ( 4 ) of this construction permit. [ss. NR 439.07 and NR 439.075(2)(a)1. and (3)(b), Wis. Adm. Code, and Permit 11

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(3 ) (a) The permittee shall operate a fabric filter baghouse control device on the boiler to co ntrol particulate matter emissions whenever the boiler is in operation. (b) Condition (3 )(a) does not apply during periods of cold start when only #2 distillate fuel oil is burned to increase the boiler temperature to a level that the baghouse can be safe ly operated. (c) The baghouse shall be operational prior to any solid fuel or any liquid fuel other than #2 distillate fuel oil being fed to the boiler for combustion. [s. 285.63(1)(a), Wis. Stats., and Permit 11

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(4 ) The permittee shall ins tall, operate, and maintain the bag leak detection system according to paragraphs (a) through (c) of this condition.

(a) Each bag leak detection system must meet the specifications and requirements in following paragraphs (i) through (viii).

(i) The bag leak detection system must be certified by the manufacturer to be capable of detecting PM emissions at concentrations of 1 milligram per dry standard cubic meter (0.00044 grains per actual cubic foot) or less.

(ii) The bag leak detection system sensor must provide output of relative PM loadings. The owner or operator shall continuously record the output from the bag leak detection system using electronic or other means ( e.g. , using a strip chart recorder or a data logger).

(iii) The bag leak detection sys tem must be equipped with an alarm system that will sound when the system detects an increase in relative particulate loading over the alarm set point established according to paragraph (iv) below, and the alarm must be located such that it can be heard by the appropriate plant personnel.

(iv) In the initial adjustment of the bag leak detection system, the (1)(c) Refer ence Test Method for PM2.5 Emissions: Whenever compliance emission testing is required, US EPA Method 5 (Teflon filter media), or 201A (Wisconsin modified), including condensible backhalf emissions (Method 202), or another method approved by the Departmen t in writing, shall be used to demonstrate compliance. [s. NR 439.06(1), Wis. Adm. Code]

(2) The permittee shall retain copies of the results of the tests required by conditions I.B’.1.b.(1), (2), (3) and (4) at the facility. [s. NR 439.04(1)(a), Wis . Adm. Code]

(3) The permittee shall keep monthly records of: (a) The type of each fuel fired in the boiler; and (b) The amount of each fuel fired in the boiler. [s. NR 439.04(1)(d), Wis. Adm. Code]

(4) (a) The permittee shall develop and submit to the Department, within 180 days after the start of initial operation of the spray dryer absorber, for approval of a site

- specific monitoring plan for each bag leak detection system. The permittee shall operate and maintain the bag leak detection system according to the site

- specific monitoring plan at all times. Each monitoring plan must describe the items in paragraphs (i) through (vi) below.

(i) Installation of the bag leak detection system;

(ii) Initial and periodic adjustment of the bag leak detection system, including how the alarm set

- point will be established;

(iii) Operation of the bag leak detection system, including quality assurance procedures;

(iv) How the bag leak detection system will be maintained

, including a routine maintenance schedule and spare parts inventory list;

(v) How the bag leak detection system output will be recorded and stored; and

(vi) Corrective action procedures as specified in paragraph (b) below. In approving the site

- specific m onitoring plan, the Department may allow owners and operators more than 3 hours to alleviate a specific condition that causes an alarm if the owner or operator identifies in the monitoring plan this specific condition as one that could lead to an alarm, ad equately explains why it is not feasible to alleviate this condition within 3 hours of the time the alarm occurs, and demonstrates that the requested time will ensure alleviation of this condition as expeditiously as practicable.

(b) For each bag leak dete ction system, the permittee shall initiate procedures to determine the cause of every alarm within 1 hour of the alarm. Except as provided in paragraph (a)(vi) above, theFID No. 111003090, Permit No. 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. permittee shall establish, at a minimum, the baseline output by adjusting the sensitivity (range) and the averaging period of the device, the alarm set p oints, and the alarm delay time.

(v) Following initial adjustment, the permittee may not adjust the averaging period, alarm set point, or alarm delay time without approval from the Department except as provided in paragraph (vi) below.

(vi) Once per quarte r, the permittee may adjust the sensitivity of the bag leak detection system to account for seasonal effects, including temperature and humidity, according to the procedures identified in the site

- specific monitoring plan required by I.B’.1.c.(4). [s. NR 4 06.10, Wis. Adm. Code, s. 285.65(3), Wis. Stats., and Permit 11

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(5 ) The permittee shall perform internal inspections of the baghouse not less than once every 18 months to ensure that the control equipment is operating properly. [s. NR 407.09(4 )(a)3.b., Wis. Adm. Code]

(6 ) The permittee shall prepare and follow a plan for periodical internal inspections of the boiler and boiler efficiency optimization. This plan shall include the frequency of these inspections and the items to be inspected. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

(7 ) The permittee shall install, maintain and operate instruments to monitor the pressure drop across the baghouse control device. [s. NR 439.055(1)(a), Wis. Adm. Code, and Permit 11

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(8 ) The permittee shall submit to the Department, within 180 days after the start of initial operation of the spray dryer absorber, the operating range of the pressure drop across the baghouse control device. [s. NR 439.055(1)(a), Wis. Adm. Code, and Permit 11

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(9 ) Stack Parameters (a) Stack height shall be at least 500 feet above ground level. (b) The stack outlet diameter may not be greater than 21 feet. (c) The stack may not be equipped with a rainhat or other device which impedes the upward flow of the exhaust gases. [s. 285.65(3), Stats. and s. NR 406.10, Wis. Adm. Code, and 11

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(10 ) After the installation of the spray dryer and the baghouse, during the first cold start of the boiler when the bypassing of the baghouse occurs per (5)(b), to demonstrate compliance with I.B’.1.a.(1)(a), (b) and (c), the permittee shall conduct a compliance test using USEPA Methods 5 (Teflon filter media) or 201A (Wisconsin modified) and 202, or another method approved by the Department in writing, while operating at 100% capacity when bur n ing #2 distillate fuel oil. If operation at 100% capacity is not feasible, the source shall operate at a capacity level which is approved by the Department in writing. The sulfur content of the permittee shall alleviate the cause of the alarm within 3 hours of the alarm by takin g whatever corrective action(s) are necessary. Corrective actions may include, but are not limited to the following:

(i) Inspecting the fabric filter for air leaks, torn or broken bags or filter media, or any other condition that may cause an increase in P M, PM10 or PM2.5 emissions;

(ii) Sealing off defective bags or filter media;

(iii) Replacing defective bags or filter media or otherwise repairing the control device;

(iv) Sealing off a defective fabric filter compartment;

(v) Cleaning the bag leak detecti on system probe or otherwise repairing the bag leak detection system; or

(vi) Shutting down the boiler. [s. NR 406.10, Wis. Adm. Code, s. 285.65(3), Wis. Stats., and Permit 11

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(5) The permittee shall keep records of: (a) The date, time and init ials of person performing the inspections required in condition I.B’.1.b.(7); (b) A list of the items inspected; and (c) Any maintenance or repairs performed as a result of these inspections. [s. NR 439.04(1)(d), Wis. Adm. Code]

(6) The permittee shall keep records of: (a) The date, time and initials of person performing the inspections required in condition I.B’.1.b.(7); (b) A list of the items inspected; (c) Any maintenance or repairs performed as a result of these inspections; (d) The results of the boiler efficiency optimization inspection; and (e) The measures taken to optimize the boiler. [s. NR 439.04(1)(d), Wis. Adm. Code]

(7) The permittee shall record the pressure drop across the baghouse once for every 8 hours of oper ation or once per day, whichever yields the greater number of measurements. [s. NR 439.055(2)(b)1., Wis. Adm. Code, and Permit 11

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(8) The pressure drop monitoring device shall be accurate to within 5% of the pressure drop being measured or with in ±1 inch of water column, whichever is greater. [s. NR 439.055(3)(b), Wis. Adm. Code, and Permit 11

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(9) The baghouse control device pressure drop monitoring device shall be calibrated at least once per year, or at a frequency based on good eng ineering practice as established by operational history, whichever is more frequent. [s. NR 439.11(1)(b) and s. NR 439.055(4), Wis. Adm. Code, and Permit 11

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. #2 distillate fuel oil used during the com pliance test performed shall be determined and recorded. For the #2 distillate fuel oil to be combusted during the compliance test, the certification of sulfur content of the #2 distillate oil delivered within six months of the test may be acceptable with out further determination. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(1 1 ) The sulfur content of the #2 distillate fuel oil used during each subsequent cold start of the boiler when the bypassing of the baghouse occurs per (5)(b) may not ex ceed the sulfur content of the #2 distillate fuel oil used during the initial cold start and the compliance test perfo rmed as required in I.B’.1.b.(10 ). The sulfur contained in the fuel oil will contribute to emissions of condensable particulate matter. [ s. NR 439.03, Wis. Adm. Code, and Permit 11

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(12 ) The permittee shall obtain and retain fuel supplier certifications for each shipment of fuel oil received by the facility. The fuel supplier certification shall include the following information: (a) the name of the oil supplier; (b) a statement from the fuel supplier that the oil complies with the specifications for fuel oils no. 1 or 2 as defined in ASTM D396

- 78, "Standard Specification for Fuel Oils", or biodiesel fuel blend in A STM D6751

- 11b, “ Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuel”; (c) the sulfur content of oil delivered. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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( 13 ) Optimization of Baghouses By no later than 90 Days from June 17, 2013, and continuing thereafter, the permittee shall ensure the continuous operation of each PM control device on such Unit to maximize PM emission reductions at all times when the Unit is in operation. Notwithstanding the foregoing sen tence, the permittee shall not be required to continuously operate an ESP on any Unit if a Baghouse is installed and operating to replace the PM control device function of the ESP at that Unit. Except as required during correlation testing under 40 C.F.R. Part 60, Appendix B, Performance Specification 11, and Quality Assurance Requirements under Appendix F, Procedure 2, the p ermittee shall ensure that to the extent practicable: (a) each compartme nt, except for any compartment specifically designated and designed as a spare compartme nt, of each Baghouse at B21 (Unit 1) remains operational; (b) repair any Baghouse compartment at the next planned outage (or unplanned outage of sufficient length); (c) each opening in the casings, ductwork, and expansion joints for each Baghouse at each uni t B21 (Unit 1) is inspected and repaired during the next planned Unit outage (or unplanned outage of sufficient length) to minimize air leakage; and (d) a bag leak de tection program is developed and implemented to ensure that leaking bags are promptly replaced, as descri bed in B’.1.c.(4)

. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 116, and Permit 14

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(14 ) Commencing in calendar year 2013, and continuing annually (10) The permittee shall record the date, time and the sulfur content of the #2 dis t illat e fuel oil combusted in the boiler. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(11) The permittee shall record the results of the complia nce test required in I.B’1.b.(10 ). [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(12) The permittee shall maintain record of each cold start during which the baghouse is not utilized per I.B’.1.b.(5)(b). [s. NR 439.03, Wis. Adm. Code, and Permit 11

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. thereafter, the permittee shall ensure that stack tests are conducted for PM every four operating quarters. An operating quarter is any calendar quarter during which the Unit operates 168 hours or more. If testing is unable t o be completed in the fourth operating quarter due to unforeseen circumstances, it shall be completed within 720 Unit Operating Hours once the Unit returns to service

. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 121, and Permit 14

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(15 ) Commencing in calendar year 2013, and continuing annually thereafter, the permittee shall ensure that a PM stack test is conducted for condensable PM using the reference methods and procedures set forth at 40 C.F.R. Part 51, Appendix M, Me thod 202, or any alternate method approved by EPA under the terms of this Consent Decree. Each test shall consist of three separate runs performed under representative operating conditions not including periods of startup, shutdown, or Malfunction. The sam pling time for each run shall be at least 60 minutes and the volume of each run shall be at least 0.85 dry standard cubic meters (30 dry standard cubic feet). The Unit Operator shall ensure that the number of pounds of condensable PM emitted per million Bt u of heat input (lb/mmBtu) from the stack test results are calculated in accordance with 40 C.F.R. § 60.8(f). The results of the condensable PM stack test conducted pursuant to this Paragraph shall not be used for the purpose of determining compliance with the PM Emission Rates required by this Consent Decree. The results of each condensable PM stack test shall be submitted to USEPA and WDNR within 60 Days of completion of each test. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 123, a nd Permit 14

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(16 ) By no later than December 31, 2014, Permittee shall install, correlate, maintain, and operate a PM CEMS for each unit B21 (Unit 1) for the purpose of monitoring compliance with B’1.a.(3 ). The PM CEMS shall comprise a continuous particle mass monitor measuring filterable particulate matter concentration, directly or indirectly, on an hourly average basis and a diluent monitor used to convert the concentration to units expressed in lb/mmBtu. The PM CEMS installed at eac h un it B21 (Unit 1) must be appropriate for the anticipated stack conditions and capable of measuring filterable PM concentrations on an hourly average basis. The p ermittee shall ensure that there will be maintained, in an electronic database that maintain s data for at least five years, the hourly average emission values of all PM CEMS at B21 (Unit 1) in lb/mmBtu. Except for periods of monitor Malfunction, maintenance, or repa ir, for B21 (Unit 1)

, The p ermittee shall Continuously Operate the PM CEMS at all times when B21 (Unit 1) is operating. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 125, and Permit 14

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(17 ) By December 31, 2013, Permittee shall submit to EPA for review and approval a plan for the installation and correlation of the PM CEMS for B21 (Unit 1). [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 126, and Permit 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. (18 ) By no later than June 30, 2014, Permittee shall prepare and submit to EPA and the Department a Quality Assurance/Quality Control (“QA/QC”) protocol that shall be followed for the PM CEMS at each unit B21 (Unit 1). [ss. 285.65(2) and (13), Wis. Stats., Co nsent Decree 13

- cv - 266 par. 127, and Permit 14

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( 19 ) In developing both the plan for installation and correlation of the PM CEMS and the QA/QC protocol, Permittee shall ensure that the criteria set forth in 40 C.F.R. Part 60, Appendix B, Perfo rmance Specification 11, and 40 C.F.R. Part 60, Appendix F, Procedure 2 are used. Following EPA’s approval of the plan described in B’ .1. b. ( 17 ) and the QA/QC protocol described in B’. 1. b. ( 18 ), The
p ermittee shall thereafter operate the PM CEMS in accordanc e with the approved plan and QA/QC protocol. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 128 , and Permit 14

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( 20 ) B y December 31, 2014, Permittee shall ensure that the PM CEMS is installed, correlated, maintained, and Continuously Operated. Permittee shall ensure that performance specification tests on the PM CEMS are conducted, and shall ensure compliance with the PM CEMS installation and correlation plans submitted to and approved by EPA in accordance with B’ .1. b. ( 17 ) and ( 18 ) is demonstrated. The PM CEMS shall be operated in accordance with the approved plan and QA/QC protocol. The data recorded by the PM CEMS durin g Unit operation, expressed in lb/mmBtu on a 24

- Hour Rolling Average, shall be reported in electronic format to EPA, identifying in the report any PM Emission Rates in excess of the applicable PM Emission Rate and any concentrations measured by the PM CEMS that are greater than 125% of the highest PM concentration level used in the most recent correlation testing performed pursuant to Performance Specification 11 in 40 C.F.R. Part 60, Appendix B. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 129 , and Permit 14

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Pollutant: 2. Visible Emissions

a. Limitations:

(1) Opacity may not exceed 20% or number 1 of the Ringlemann chart.

(2) When combustion equipment is being cleaned or a new fire started, emissions may exceed number 1 of the Ringlemann chart or 20 % opacity but may not exceed number 4 of the Ringlemann char t or 80% opacity for 6 minutes in any one hour. Combustion equipment may not be cleaned nor a fire started more than 3 times per day. 4 3 (3) Emissions may exceed number 1 of the Ringlemann chart or 20% opacity for stated periods of time, as permitted by the department, for such purpose as an operating test, use of emergency or reserve equipment, or other good cause, provided no hazard or unsafe c ondition arises. Such permission may only be granted in writing. [s. NR 431.05(1)&(2), Wis. Adm. Code , and P ermit 11

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4 When combustion equipment is being cleaned or a new fire started and opacity exceeds 20%, one 6

- minute exceedance per hour may be exempt, but no more than 3 exemptions per day are allowed. This provision does not restrict the number of cleanings or the number of fires that may be started in any day, only the number of exemptions that are allowed in any one day.FID No. 111003090, Permit No. 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system which meets the performance specifications of condition I.B’.2.b.(2 ) for the measurement of opacity from stack S11. 5 [s. NR 439.095(1)(f), Wis. Adm. Code]

(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.B’.2.b.(1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I and Performance Specification 1 in 40 CFR part 60 , Appendix B. [ss. NR 439.09(1) and NR 439.095(6), Wis. Adm. Code]

(3) The continuous emission monitor required by condition I.B’.2.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(4) The permittee shall prepare and submit to the Department an updated Start

- up and Shut

- down Plan for the boiler. This plan shall be submitted prior to the initial operation of the spray dryer absorber. The plan shall def ine normal start

- up and shut

- down procedures, including the normal duration of start

- up and shut

- down periods. [s. NR 407.09(4)(a), Wis. Adm. Code] (1) Reference Test Method for Visible Emissions: Whenever compliance emission testing is required, US EPA Method 9 shall be used to demonstrate compliance. [s. NR 439.06(9)(a)1., Wis. Adm. Code]

(2) The continuous opacity monitor required by condition I.B’.2.b.(1) shall complete one cycle of sampling and analyzing for each successive 10

- second period and one cycle of data recording for each successive 6

- minute period. [ s. NR 439.09(9)(a), Wis. Adm. Code]

(3) The permittee shall submit quarterly excess emission reports to the Department within 30 days following the end of each calendar quarter. [s. NR 439.09(10), Wis. Adm. Code]

(4) Excess emissions for opacity are, any 6 minute period during which the average opacity exceeds the limitation in condition I.B’.2.a.(1). [s. NR 439.09(10)(b), Wis. Adm. Code]

(5) The excess emission reports required by condition I.B’.2.c.(3) shall be submitted in accordance with Condition No. I.ZZZ.1.a(7) of this construction permit. [s. NR 439.09(10)(a), Wis. Adm. Code]

Pollutant: 3. Sulfur Dioxide

a. Limitations:

(1) Emissions may not exceed 3.2 pounds per million Btu heat input. [s. NR 417.07(2)(a), Wis. Adm. Code]

( 2 ) Commencing no later than 30 Operating Days after January 1, 2015, B21 (Unit 1) shall achieve and maintain a 30

- Day Rolling Average Emission Rate f or SO 2 of no greater than 0.075 lb/mmBtu. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 83 , and Permit 14

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- R1] b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of sulfur dioxide which meets the performance specifications of condition I.B’.3.b.(2). 6 [s. NR 439.095(1)(f), Wis. Adm. Code]

(2) The permittee sha ll calibrate maintain and operate the continuous emission monitor required by condition I.B’.3.b.(1) in accordance with the performance specifications in 40 CFR part 75, (1) Reference Test Method for Sulfur Dioxide Emissions: Whenever compliance emission testing is required, US EPA Method 6, 6A, 6B, or 6C shall be used to demonstrate compliance. [s. NR 439.06(6)(a), Wis. Adm. Code]

(2) The continuous sulfur dioxide monitor required by condition I.B ’ .3.b.(1) shall perform sampling, analyzing and data recording as follows:

5 The permittee is exempt from the biennial opacity compliance tests required by s. NR 439.075(3)(b), Wis. Adm. Code, provided they operate a continuous opacity monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. Code, pursuant to s. NR 4 39.075(4)(a)2., Wis. Adm. Code. 6 The permittee is exempt from the biennial sulfur dioxide compliance tests required by ss. NR 439.075(2)(a)2., and (3)(b), Wis

. Adm. Code, provided they operate a continuous sulfur dioxide emission monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. Code, pursuant to s. NR 439.075(4)(a)2., Wis. Adm. Code. The permittee is exempt from the periodic fuel sampling and analysis requirements of s. NR 439.085(2), Wis. Adm. Code, provided they operate a continuous sulfur dioxide emission monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. Code, pursuant to s . NR 439.085(1)(c), Wis. Adm. Code.FID No. 111003090, Permit No. 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. Appendices A to I. [ss. NR 439.09(2) and NR 439.095(6), Wis. Adm. Code]

(3) The co ntinuous emission monitor required by condition I.B’.3.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(4) Permittee shall install a Dry Flue Gas Desulf urization (DFGD)
at B21 (Unit 1) on or before December 31, 2014. Commencing on January 1, 2015, and continuing thereafter, Permittee shall Continuously Operate the DFGD. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 101 , and Permit 1 4

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(5) In determining a 30

- Day Rolling Average Emission Rate for SO 2 , the permittee shall use SO 2 emission data obtained from a CEMS in accordance with the procedures of 40 C.F.R. Part 75, except that SO 2 emissions data need not be bias adjusted and the missing data substitution procedures of 40 C.F.R. Part 75 shall not apply to such determinations. Diluent capping (i.e., 5% CO 2 ) will be applied to the SO 2 Emission Rate for any hours where the measured CO 2 concentration is less than 5% following the procedures in 40 C.F.R. Part 75, Appendix F, Section 3.3.4.1. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 107 , and Permit 14

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- R1] (a) Complete one cycle of sampling, analyzing and data recording for each successive 15

- minute period. (b) The values recorded shall be averaged hourly. (c) Hourly averages shall be computed fro m a minimum of 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separ ated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code and 40 CFR 75.10(1)]

(3) The permittee shall submit quarterly excess emission reports to the Department within 30 days following the end of each calendar quarter. [s. NR 439.09(10), W is. Adm. Code]

(4) Excess emissions for sulfur dioxide are, any 24 hour rolling average during which the average sulfur dioxide emissions exceed the limitation in condition I.B’.3.a.(1). 7 [s. NR 439.09(10)(b), Wis. Adm. Code]

(5) For purposes of repor ting exceedances on the basis of a 24

- hour rolling average, any hourly average may be included in only one 24 hour period. An exceedance shall be based on at least 18 and not more than 24 valid recordings of hourly average emission rates in any 24 hour pe riod. [s. NR 439.09(10)(c), Wis. Adm. Code.]

(6) The excess emission reports required by condition I.B’.3.c.(3) shall contain the information in condition I.T.2.a. [s. NR 439.09(10)(a), Wis. Adm. Code] Pollutant: 4. Nitrogen Oxides

a. Limitations:

(1) Following the completion of the 6 th pulverizer replacement or expiration of this construction permit, whichever comes first, emissions may not exceed 249.16 tons per month, averaged over any 12 consecutive months. 8 [s. 285.65(7), Wis. Stats., and Per mit 14

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. (2) Commencing no later than 90 Days after June 17, 20 13, and continuing thereafter, the p ermittee shall ensure the Continuous Operation of the Low NO x Combustion System so that B21 (Unit 1) achieves and maintains a 12

- Month Rolling Ave rage Emission Rate for NO x of no greater than 0.150 lb/mmBtu [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 83 , and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of nitrogen oxides which meets the performance specifications of condition I.B'. 4.b.(2). [s. NR 439.095(1)(f), Wis. Adm. Code]

(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.B'. 4.b.(1) in accordance with the performance specifications in 40 CFR part 75, (1) Reference Test Method for Nitrogen Oxide Emissions: Whenever compliance emission testing is required, US EPA Method 7, 7C, 7D, or 7E shall be used to demonstrate compliance. [s. NR 439.06(2), Wis. Adm. Code]

(2) The continuous nitrogen oxides monitor required by condition I.B'. 4.b.(1) shall perform sam pling, analyzing and data recording as follows:

7 Excess emissions are defined as any 24 hour rolling average dur ing which sulfur dioxide emissions exceed the limitation. The permittee may keep records in terms of hourly averages. If none of the hourly averages exceed the emission limitations, it can be assumed that the 24 hour rolling average emissions do not exce ed the limitation.
8 The permittee proposed this emission limit on October 25, 2014 to avoid PSD applicability for NO x emissions for permit 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. Appendices A to I. [ss. NR 439.09(2) and NR 439.095(6), Wis. Adm. C ode]

(3) The continuous emission monitor required by condition I.B'. 4.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(4) The permittee shall calculat e the monthly nitrogen oxides emissions from the boiler in the unit of tons per month, averaged over the 12 consecutive month period, by the end of the following month. [s. 285.65(3), Wis. Stats., and Permit 14

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(5) In determining a 12

- Month Roll ing Average Emission Rate for NO x , required by conditions B’.4.a.(2), the permittee shall use NO x emission data obtained from a CEMS in accordance with the procedures of 40 C.F.R. Part 75, except that NO x emissions data need not be bias adjusted and the mi ssing data substitution procedures of 40 C.F.R. Part 75 shall not apply to such determinations. Diluent capping ( i.e. , 5% CO 2 ) will be applied to the NO x emission rate for any hours where the measured CO 2 concentration is less than 5% following the procedu res in 40 C.F.R. Part 75, Appendix F, Section 3.3.4.1. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 92 , and Permit 14

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- R1] (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be averaged hourly. (c) Hourly averages shall be computed from a minimum of 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separated by a mi nimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code and 40 CFR 75.10(1)]

(3) The permittee shall record the monthly nitrogen oxides emissions from the boiler in the unit of tons. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(4) The per mittee shall record the monthly nitrogen oxides emissions from the boiler in the unit of tons per month , averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Pollutant: 5. Carbon Monoxide (these conditions apply upon completion of the steam turbine upgrade)

a. Limitations:

(1) Best Available Control Technology (BACT): 0.16 pound per million BTU heat input, averaged over any 12 consecutive months. [s. NR 405.08, Wis. Adm. Code, and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system (CEM S ) for the measurement of carbon monoxide which meets the performance specifications of condition I.B'. 5.b.(2). [s. 285.65(3), Wis. Stats. , and Permit 14

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(2) The permittee shall calibrate maintain and operate the continuous emission monitor require d by condition I.B'. 5.b.(1) in accordance with the performance specifications in 40 CFR Part 60, Appendix B. [s. NR 439.09(4), Wis. Adm. Code, and Permit 14

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(3 ) The continuous emission monitor required by condition I.B'. 5.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code, and Permit 14

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(4) The permittee shall calculate the monthly carbon monoxide emissions from the boiler in the unit of pounds per mm Btu
, (1) The continuous carbon monoxide monitor required by co ndition I.B'. 5.b.(1) shall perform sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be average hourly. (c) Hourly avera ges shall be computed from 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code, and Permit 14

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(2) The permittee shall record the monthly carbon monoxide emissions from the boiler in the unit of pounds. [s. NR 439.04, Wis. Adm. Code, and Perm it 14

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(3) The permittee shall record the monthly heat input produced by the boi ler in the unit of million Btu s and measured by the CEMS.FID No. 111003090, Permit No. 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. averaged over the 12 consecutive month period, by the end of the following month. This calculation shall be made by dividing total pounds of carbon monoxide emitted by the total heat input produced by the boiler (mm Btu ) , as measured by the CEMS, during the 12 consecutive month period [s. 285.65(3), Wis. Stats., and Permit 14

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(4) The permittee shall record the monthly average carbon monoxide emissions from the boiler in the units of pounds per

mm Btu , averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Pollutant: 6. Carbon Dioxide (these conditions apply upon completion of the steam turbine upgrade)

a. Limitations:

(1) Best Available Control Technology (BACT): 2,537 pounds per MW

- hr (gross), averaged over any 12 consecutive months. [s. NR 405.08, Wis. Adm. Code, and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of carbon dioxide which meets the performance s pecifications of condition I.B'. 6.b.(2 ). [s. NR 439.095(1)(f), Wis. Adm. Code]

(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by conditio n I.B'. 6 .b.(1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I. [s. NR 439.0 95(6), Wis. Adm. Code]

(3) The continuous emission mon itor required by condition I.B'. 6.b .(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(4) The permi ttee shall calculate the monthly carbon dioxide emissions from the boiler in the unit of pounds per megawatt

- hour, averaged over the 12 consecutive month period, by the end of the following month. This calculation shall be made dividing total pounds of carbon dioxide emitted by the megawatt hours (gross) produced by the turbine during the 12 consecutive month period. [s. 285.65(3), Wis. Stats., and permit 14

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- 174] (1) The continuous carbon dioxide mon itor required by condition I.B'. 6 .b.(1) shall perf

orm sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be average hourly. (c) Hourly averages shall be computed from 4 da ta points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separated by a minimum o f 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code]

(2) The permittee shall record the monthly carbon dioxide emissions from the boiler in the unit of pounds. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(3) The permittee shall record the monthly gross megawatt hours produced by the turbine. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(4) The permittee shall record the monthly carbon dioxide emissions from the boiler in the unit of pounds per me gawatt

- hour (gross), averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Condition 7: Stack Flow Rate

a. Limitations:

(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of the stack flow rate which meets the performance s pecifications of condition I.B'. 7 .b.(1). [s. NR 439.095(1)(f), Wis. Adm. Code] b. Compliance Dem onstration: c. Test Methods, Recordkeeping, and Monitoring:FID No. 111003090, Permit No. 14

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B’. S11/B21 (Identified as Unit 1 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed February 1971. 1 2 A recycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, boiler cleaning waste liquids and waste oil. Please see the additional requirem ents that relate to these alternate operating scenario s for the boiler in I.C., I.D., I.E. and I.F. of the Operation Permit 111003090

- P21. (1) The permittee shall calibrate maintain and operate the continuous emission mon itor required by condition I.B'. 7 .a.( 1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I. [s. NR 439.095(6), Wis. Adm. Code]

(2) The continuous emission mon itor required by condition I.B'. 7 .a.(1) shall follow a quality control and quality assurance pl an, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code] (1) The continuous stack flow rate mon itor required by condition I.B'. 7 .a.(1) shall be used to convert either sulfur dioxide or nitrogen oxide continuous emission mo nitoring data, or both, to units of the applicable emission limitations. [s. NR 439.095(5)(f), Wis. Adm. Code]FID No. 111003090, Permit No. 14

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BA. S25/P25 Lime Silo Bin Vent For Unit 1

- Permitted 2011

Pollutant: 1. Particulate Matter/PM 10 /PM 2.5 Emissions

a. Limitations:

(1) Emissions may not exceed 6.4 x 10 - 2 pounds per hour. [s. NR 404.08(8) and (9), Wis. Adm. Code, s. 285.65(7), Wis. Stats., and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall operate a fabric filter control device on the lime silo to control particulate matter /PM 10 /PM 2.5 emissions whenever the silo is being filled or operated. [s. 285.63(1)(a), Wis. Stats. , and Permit 11

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(2) The permittee shall perform internal inspections of the fabric filter control device not less than once every 18 months to ensure that the control equipment is operating properly. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

(3) The permittee shall maintain at the facility a written copy of the emission guarantee from the fabric filter control device manufacturer or vendor that the emission limit in I.BA.1.a.(1) will be met at all times. [s. 285.65(3), and Permit 11

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(4) The permittee shall submit to the Department, within 30 days after the start of initial operation of the silo, the operating range of the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(5) The permittee shall install, maintain and operate instruments to monitor the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(6) Stack Parameters (a) Stack height shall be at least 143 feet above ground level. (b) The stack outlet diameter may not be greater than 1 foot. (c) The stack may not be equipped with a rainhat or other device which impedes the upward flow of the exhaust gases. [s. 285.65(3), Stats. and s. NR 406.10, Wis. Adm. Code, and 11

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(2) The pe rmittee shall record the pressure drop across the fabric filter once for every 8 hours of operation or once per day, whichever yields the greater number of
measurements. [s. NR 439.055(2)(b)1., Wis. Adm. Code, and 11

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(3) The permittee shall keep records of all inspections, checks and any maintenance or repairs performed on the fabric filter control device, containing the date of the action, initials of inspector, and the results. [s. NR 439.04(1)(d), Wis. Adm. Code, and 11

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(4) The pressu re drop monitoring device shall be accurate to within 5% of the pressure drop being measured or within ±1 inch of water column, whichever is greater. [s. NR 439.055(3)(b), Wis. Adm. Code, and Permit 11

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Pollutant: 2. Visible Emissions

a. Limitations:

(1) Opacity may not exceed 20% or number 1 of the Ringlemann chart. [s. NR 431.05, Wis. Adm. Code , and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall comply with I.BA.1.b. [s. 285.65(3), Wis. Stat., and Permit 11

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(2) The permittee shall comply with I.BA.1.c.FID No. 111003090, Permit No. 14

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BB. S31/P31 PAC Silo Bin Vent

- Permitted 2011

Pollutant: 1. Particulate Matter/PM 10 /PM 2.5 Emissions

a. Limitations:

(1) Emissions may not exceed 0.13 pounds per hour. [s. NR 404.08(8) and (9), Wis. Adm. Code, s. 285.65(7), Wis. Stats., and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall operate a fabric filter control device on the PAC silo to control particulate matter /PM 10 /PM 2.5 emissions whenever the silo is being filled or operated. [s. 285.63(1)(a), Wis. Stats. , and Permit 11

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(2) The permittee shall perform internal inspections of the fabric filter control device not less than once every 18 months to ensure that the control equipment is operating properly. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

(3) The permittee shall maintain at the facility a w ritten copy of the emission guarantee from the fabric filter control device manufacturer or vendor that the emission limit in I.BB.1.a.(1) will be met at all times. [s. 285.65(3), and Permit 11

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(4) The permittee shall submit to the Department, w ithin 30 days after the issuance of this construction permit, the operating range of the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(5) The permittee shall install, maintain and operate instruments to monitor the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(6) Stack Parameters (a) Stack height shall be at least 82 fe et above ground level. (b) The stack outlet diameter may not be greater than 3 feet. (c) The stack may not be equipped with a rainhat or other device which impedes the upward flow of the exhaust gases. [s. 285.65(3), Stats. and s. NR 406.10, Wis. Adm. Code, and 11

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(2) The permittee shall record the pressure drop across the fabric filter once for every 8 hours of operation or once per day, whichever yields the greater number of
measurements. [s. NR 439.055(2)(b)1., Wis. Adm. Code, and 11

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(3) The permittee shall keep records of all inspections, checks and any maintenance or repairs performed on the fabric filter control device, containing the date of the action, initials of inspector, and the results. [s. NR 439.04(1)(d), Wis. Adm. Code, and 11

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(4) The pressure drop monitoring device shall be accurate to within 5% of the pressure drop being measured or within ±1 inch of water column, whichever is greater. [s. NR 439.055(3)(b), Wis. Adm. Code, and Permit 11

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Pollutant: 2. Visible Emissions

a. Limitations:

(1) Opacity may not exceed 20% or number 1 of the Ringlemann chart. [s. NR 431.05, Wis. Adm. Code , and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall comply with I.BB.1.b. [s. 285.65(3), Wis. Stat., and Permit 11

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(2) The permittee shall comply with I.BB.1.c.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. Pollutant: 1. Particulate Matter, PM10 and PM2.5 Emissions

a. Limitations 10 :

(1)(a) Particulate matter emissions may not exceed 0.0195 pounds per million Btu heat input. [s. 285.65(7), Wis. Stats., and Permits 11

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- 174] (1)(b) PM 10 emissions may not exceed 0.0175 pounds per million Btu heat input. [s. 285.65(7), Wis. Stats., and Permits 11

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(2) Particulate matter emissions may not exceed 0.10 pounds per million Btu heat input. [s. NR 415.06(2)(c), Wis. Adm. Code, and Permits and 14

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(3) Particulate m atter emissions may not exceed 0.10 pounds per million Btu heat input. [s. NR 440.19(3)(a)1., Wis. Adm. Code, and Permits and 14

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(4) Beginning December 31, 2014, and continuing thereafte r, filterable PM Emissions from B22 (Unit 2) may not exceed 0.015 lb/mmBtu heat input based on a 24

- Hour Rolling Average. Notwithstanding this PM Emission Rate requirement, the permittee may ensure that B22 (Unit 2) achieves a filterable PM Emission Rate of no greater than 0.030 lb/mmBTU during peri ods of level 3 (high range) correlation testing under PS

- 11, Section 8.6(4), provided that such correlation testing is conducted in accordance with the procedures approved by EPA as part of the correlatio n plan required by I.G’

. 1.b.(17). [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 117, and Permit 14

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( 5 ) The permittee shall only fire: (a) Coal, natural gas and #2 fuel oil as primary fuels in the boiler; and (b) Wood fuel, petroleum contaminated soils and absorbents and waste oil as alternate fuels in the boiler. See section I.H. for additional requirements that apply while firing wood in the boiler. See section I.I. for additional requirements that apply while firin g petroleum contaminated soil in the boiler. See sec tion I.J. for additional requirements that apply while firing waste oil in the boiler. [ss. 285.65(3) and 285.63(1)(a), Wis. Stats.] b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) To demonstrate compliance with I.G’.1.a.(1)(a), (b) and (c) , and I.G'.1.a.(2) and(3), the permittee shall conduct a compliance emission test within 90 days after the start of initial operation of the spray dryer absorber for B22 , while operating at 100% capacity. USEPA Methods 5 (Teflon filter media) or 201A (Wisconsin modified) and 202, or another method approved by the Department in writing shall be used in the emission test to demonstrate compliance with I.G'.1.a.(1)(a), (b) and (c), and I.G'.1.a.(2)

. USEPA Met hods 5, or another method approved by the Department in writing shall be used in the emission test to demonstrate compliance with I.G'.1.a.(3). During the test, the electrostatic precipitator shall be disabled, such that the test can show that the emission limit can be met without the electrostatic precipitator in operation. If operation at 100% capacity is not feasible, the source shall operate at a capacity level which is approved by the Department in writing. [s. NR 439.03, Wis. Adm. Code , and Permit 14

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(2) The following compliance emission tests of the boiler shall be conducted to demonstrate compliance with the (1) The permittee shall retain copies of the results of the tests requ ired by conditions I.G’.1.b.(1) and (2) at th e facility. [s. NR 439.04(1)(a), Wis. Adm. Code]

(2) The permittee shall keep monthly records of: (a) The type of each fuel fired in the boiler; and (b) The amount of each fuel fired in the boiler. [s. NR 439.04(1)(d), Wis. Adm. Code]

(3) (a) The permittee shall develop and submit to the Department, within 180 days after the start of initial operation of the spray dryer absorber, for approval of a site

- specific monitoring plan for each bag leak detection system. The permittee shall operate and maintain the bag leak detection system according to the site

- specific monitoring plan at all times. Each monitoring plan must describe the items in paragraphs (i) through (vi) below.

(i) Installation of the bag leak detection system;

9 Note: The requirements and emission limitations outlined in this section apply to the boiler at all times regardless of the fuel being fired. 10 Emission limits in (1)(a), (b) and (c) are proposed by the permittee to avoid PSD applicability for the project covered under Permit 11

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. particulate matter , PM 10 and PM 2.5 emission limits in condition I.G’.1.a.(1): (a) Testi ng required in I.G’.1.b.(1) and (2 ) shall be conducted every 24 months as long as this permit remains valid; (b) Each biennial test shall be performed within 90 days of the anniversary date of the issuance of this permit or within 90 days of an alternate date specified by the Department in writing; (c) The permittee may request and the Department may approve a waiver from the required biennial testing provided the results of the most recently completed test demonstrate that particulate matter emissions are 50 percent or less of the applicable limitations in condition I.G’.1.a.(1); (d) This testing shall be conducted in accordance with Condition No. I.ZZZ.1.a

. ( 4 ) of this construction permit. [ss. NR 439.07 and NR 439.075(2)(a)1. and (3)(b), Wis. Adm. Code , and Permit 11

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( 3 ) (a) The pe rmittee shall operate a fabric filter baghouse control device on the boiler to control particulate matter emissions whenever the boiler is in operation. (b) Condition ( 3 )(a) does not apply during periods of cold start when only #2 distillate fuel oil is b urned to increase the boiler temperature to a level that the baghouse can be safely operated. (c) The baghouse shall be operational prior to any solid fuel or any liquid fuel other than #2 distillate fuel oil being fed to the boiler for combustion. [s. 2 85.63(1)(a), Wis. Stats., and Permit 11

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(4 ) The permittee shall install, operate, and maintain the bag leak detection system according to paragraphs (a) through (c) of this condition.

(a) Each bag leak detection system must meet the specifications and requirements in following paragraphs (i) through (viii).

(i) The bag leak detection system must be certified by the manufacturer to be capable of detecting PM emissions at concentrations of 1 milligram per dry standard cubic meter (0.000 44 grains per actual cubic foot) or less.

(ii) The bag leak detection system sensor must provide output of relative PM loadings. The owner or operator shall continuously record the output from the bag leak detection system using electronic or other means ( e.g. , using a strip chart recorder or a data logger).

(iii) The bag leak detection system must be equipped with an alarm system that will sound when the system detects an increase in relative particulate loading over the alarm set point established accor ding to paragraph (iv) below, and the alarm must be located such that it can be heard by the appropriate (ii) Initial and periodic adjustment of the bag leak detection system, including how the alarm set

- point will be established;

(iii) Operation of the bag leak detection system, including quality assurance procedures;

(iv) How the bag leak detection system will be maintained , including a routine maintenance schedule and spare parts inventory list;

(v) How the bag leak detection system output will be recorded and stored; and

(vi) Corrective action procedures as specified in paragraph (b) below. In approving the site

- specific m onitoring plan, the Department may allow owners and operators more than 3 hours to alleviate a specific condition that causes an alarm if the owner or operator identifies in the monitoring plan this specific condition as one that could lead to an alarm, ad equately explains why it is not feasible to alleviate this condition within 3 hours of the time the alarm occurs, and demonstrates that the requested time will ensure alleviation of this condition as expeditiously as practicable.

(b) For each bag leak dete ction system, the permittee shall initiate procedures to determine the cause of every alarm within 1 hour of the alarm. Except as provided in paragraph (a)(vi) above, the permittee shall alleviate the cause of the alarm within 3 hours of the alarm by takin g whatever corrective action(s) are necessary. Corrective actions may include, but are not limited to the following:

(i) Inspecting the fabric filter for air leaks, torn or broken bags or filter media, or any other condition that may cause an increase in P M, PM10 or PM2.5 emissions;

(ii) Sealing off defective bags or filter media;

(iii) Replacing defective bags or filter media or otherwise repairing the control device;

(iv) Sealing off a defective fabric filter compartment;

(v) Cleaning the bag leak detecti on system probe or otherwise repairing the bag leak detection system; or

(vi) Shutting down the boiler. [s. NR 406.10, Wis. Adm. Code , s. 285.65(3), Wis. Stats., and Permit 11

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(4) The permittee shall keep records of: (a) The date, time and ini tials of person performing the inspections required in condition I.G’.1.b.(7); (b) A list of the items inspected; and (c) Any maintenance or repairs performed as a result of these inspections. [s. NR 439.04(1)(d), Wis. Adm. Code]FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. plant personnel.

(iv) In the initial adjustment of the bag leak detection system, the permittee shall establish, at a minimum, the baseline output by a djusting the sensitivity (range) and the averaging period of the device, the alarm set points, and the alarm delay time.

(v) Following initial adjustment, the permittee may not adjust the averaging period, alarm set point, or alarm delay time without appro val from the Department except as provided in paragraph (vi) below.

(vi) Once per quarter, the permittee may adjust the sensitivity of the bag leak detection system to account for seasonal effects, including temperature and humidity, according to the
proce dures identified in the site

- specific monitoring plan required by I.G’.1.c.(4). [s. NR 406.10, Wis. Adm. Code , s. 285.65(3), Wis. Stats., and Permit 11

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(5 ) The permittee shall perform internal inspections of the baghouse not less than once ever y 18 months to ensure that the control equipment is operating properly. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

( 6 ) The permittee shall prepare and follow a plan for periodical internal inspections of the boiler and boiler efficiency optimization. Thi s plan shall include the frequency of these inspections and the items to be inspected. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

(7 ) The permittee shall install, maintain and operate instruments to monitor the pressure drop across the baghouse control de vice. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(8 ) The permittee shall submit to the Department, within 180 days after the start of initial operation of the spray dryer absorber, the operating range of the pressure drop across the ba ghouse control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(9 ) Stack Parameters (a) Stack height shall be at least 650 feet above ground level. (b) The stack outlet diameter may not be greater than 21 feet. (c) The stack may not be equipped with a rainhat or other device which impedes the upward flow of the exhaust gases. [s. 285.65(3), Stats. and s. NR 406.10, Wis. Adm. Code, and 11

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(1 0 ) After the installation of the spray dryer and the baghouse, during the first cold start of the boiler when the bypassing of the baghouse occurs per (5)(b), to demonstrate compliance with I.G’.1.a.(1)(a), (b) and (c), the permittee shall (5) The permittee shall keep records of: (a) The date, time and initials of person performing the inspections required in condition I.G’.1.b.(7); (b) A list of the items inspected; (c) Any maintenance or repairs performed as a result of these inspections; (d) The results of the boiler efficiency optimization inspection; and (e) The measures taken to optimize the boiler. [s. NR 439.04(1)(d), Wis. Adm. Code]

(6) Reference Test Method for Particulate Matter Emissions: (a) Whenever compliance emission testi ng is required one of the following shall be used to demonstrate compliance: (i) U.S. EPA Method 5 (Teflon filter media), including condensible backhalf emissions, shall be used for boilers without wet flue

- gas

desulfurization (FGD) systems; (ii) U.S. EPA Method 5B, including condensible backhalf emissions, shall be used for boilers with FGD systems; or (iii) An appropriate alternate method listed in ss NR 440.19(7). (b) The permittee shall determine compliance with the particulate matter standard using the method described in s. NR 440.19(7)(b), Wis. Adm. Code. [ss. NR 439.06(1) and 440.19(7)(b)2., Wis. Adm. Code]

(7) Alternate Reference Test Methods and Procedures: The permittee may alternatively use the particulate matter methods and procedures describ ed in s. NR 44 0.19(7)(d), Wis. Adm. Code. [ss. NR 440.19(7)(d)1., 2., 3., 6., and 7., Wis. Adm. Code]

(8) Reference Test Method for PM 10 Emissions: Whenever compliance emission testing is required, US EPA Method 5 (Teflon filter media) or 201A (Wiscons in modified), including condensible backhalf emissions (Method 202), or another method approved by the Department in writing, shall be used to demonstrate compliance. [s. NR 439.06(1), Wis. Adm. Code]

(9) Reference Test Method for PM 2.5 Emissions: Whenever compliance emission testing is required, US EPA Method 5 (Teflon filter media) or 201A (Wisconsin modified), including condensible backhalf emissions (Method 202), or another method approved by the Department in writing, shall be used to demonstra te compliance. [s. NR 439.06(1), Wis. Adm. Code]

(10) The permittee shall record the pressure drop across the baghouse once for every 8 hours of operation or once per day, whichever yields the greater number of measurements. [s. NR 439.055(2)(b)1., Wis. Adm. Code, and Permit 11

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(11) The pressure drop monitoring device shall be accurate to within 5% of the pressure drop being measured or within ±1 inch of water column, whichever is greater. [s. NR 439.055(3)(b), Wis. Adm. Code, and Permit 11

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(12) The baghouse control device pressure drop monitoring device shall be calibrated at least once per year, or at a frequency based on goodFID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. conduct a compliance test using USEPA Methods 5 (Teflon media filter) or 201A (W isconsin modified) an d 202, or

a nother method approved by the Department in writing, while operating at 100% capacity when bur n ing #2 distillate fuel oil. If operation at 100% capacity is not feasible, the source shall operate at a capacity level which is approved by the Depa rtment in writing. The sulfur content of the #2 distillate fuel oil used during the compliance test performed shall be determined and recorded. For the #2 distillate fuel oil to be combusted during the compliance test, the certification of sulfur content of the #2 distillate oil delivered within six months of the test may be acceptable without further determination. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(1 1 ) The sulfur content of the #2 distillate fuel oil used during each subsequent cold start of the boiler when the bypassing of the baghouse occurs per (5)(b) may not exceed the sulfur content of the #2 distillate fuel oil used during the initial cold start and the compliance test performed as required in I.G’.1. b.(10 ). The sulfur con tained in the fuel oil will contribute to emissions of condensable particulate matter. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(12 ) The permittee shall obtain and retain fuel supplier certifications for each shipment of fuel oil received by the facility. The fuel supplier certification shall include the following information: (a) the name of the oil supplier; (b) a statement from the fuel supplier that the oil complies with the specifications for fuel oils no. 1 or 2 as defined in ASTM D396

- 78, "Standard Specification for Fuel Oils", or biodiesel fuel blend in ASTM D6751

- 11b, “ Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuel”; (c) the sulfur content of oil delivered. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(13 ) Optimization of Baghouses By no later than 90 Days from June 17, 2013, and continuing thereafter, the permittee shall ensure the continuous operation

o f each PM control device on Unit 2 to maximize PM emission reductions at all times when the Unit is in operation. Notwithstanding the foregoing sentence, the permittee shall not be required to continuously operate an ESP on any Unit if a Baghouse is installed and operating to replace the P M control device function of the ESP at that Unit. Except as required during correlation testing under 40 C.F.R. Part 60, Appendix B, Performance Specification 11, and Quality Assurance Requirements under Appendix F, Procedure 2, the Permittee shall ensure that to the extent practicable: (a) each compartment, except for any compartment specifically designated and designed as a spare compartment, of each Baghous e at B22 (Unit 2) remains operational; (b) repair any Baghouse compartment at the next planned out age (or engineering practice as established by operational history, whichever is more frequent

. [s. NR 439.11 (1)(b) and s. NR 439.055(4), Wis. Adm. Code, and Permit 11

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(13) The permittee shall record the date, time and the sulfur content of the #2 dis t illate fuel oil combusted in the boiler. [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(14 ) The permittee shall record the results of the compliance test required in I.G’1.b.(10 ). [s. NR 439.03, Wis. Adm. Code, and Permit 11

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(15) The permittee shall maintain record of each cold start during which the baghouse is not utilized per I .G’.1.b.(5)(b). [s. NR 439.03, Wis. Adm. Code, and Permit 11

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. unplanned outage of sufficient length); (c) each opening in the casings, ductwor k, and expansion joints for the Baghous e at B22 (Unit 2) is inspected and repaired during the next planned Unit outage (or unplanned outage of sufficient length) to min imize air leakage; and (d) a bag leak detection program is developed and implemented to ensure that leaking bags are promptly replaced, as described in G’.1.c.(4). [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 116, and Permit 14

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(14 ) Commencing in calendar year 2013, and continuing annually thereafter, the permittee shall ensure that stack tests

are conducted for PM every four operating quarters. An operating quarter is any calendar quarter during which the Unit operates 1 68 hours or more. If testing is unable to be completed in the fourth operating quarter due to unforeseen circumstances, it shall be completed within 720 Unit Operating Hours once the Unit returns to service

. [ss. 285.65(2) and (13), Wis. Stats., Consent De cree 13

- cv - 266 par. 121, and Permit 14

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(15 ) Commencing in calendar year 2013, and continuing annually thereafter, the permittee shall ensure that a PM stack test is conducted for condensable PM using the reference methods and procedures set fo rth at 40 C.F.R. Part 51, Appendix M, Method 202, or any alternate method approved by EPA under the terms of the Consent Decree 13

- cv

- 266

. Each test shall consist of three separate runs performed under representative operating conditions not including peri ods of startup, shutdown, or Malfunction. The sampling time for each run shall be at least 60 minutes and the volume of each run shall be at least 0.85 dry standard cubic meters (30 dry standard cubic feet). The permittee shall ensure that the number of pounds of condensable PM emitted per million Btu of heat input (lb/mmBtu) from the stack test results are calculated in accordance with 40 C.F.R. § 60.8(f). The results of the condensable PM stack test conducted pursuant to this Paragraph shall not be used for the purpose of determining compliance with the PM Emission Rates required by th e Consent Decree 13

- cv

- 226 . The results of each condensable PM stack test shall be submitted to USEPA and WDNR by the permittee within 60 Days of completion of each test. [ ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 123, and Permit 14

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( 16 ) By no later than December 31, 2014, Permittee shall install, correlate, maintain, and operate a PM CEMS for B22 (Unit 2) for the purpose of monitoring c ompliance with G’ .1. a. ( 4 ). The PM CEMS shall comprise a continuous particle mass monitor measuring filterable particulate matter concentration, directly or indirectly, on an hourly average basis and a diluent monitor used to convert the concentration
to u nits expressed in lb/mmBtu. The PM CEMS installed at B22 (Unit 2) must be appropriate for the anticipated stack conditions and capable of measuring filterable PM concentrations on an hourly average basis. Permittee shallFID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. ensure that there will be maintain ed, in an electronic database that maintains data for at least five years, the hourly average emission values of all PM CEM S at B22 (Unit 2) in lb/mmBtu. Except for periods of monitor Malfunction, maintenanc e, or repair, for B22 (Unit 2), Permittee shall C ontinuously Operate t he PM CEMS at all times when B22 (Unit 2 1) is operating. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 125, and Permit 14

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(17 ) By December 31, 2013, the p ermittee shall submit to EPA for review and app roval a plan for the installation and correlation of the PM CEMS for B22 (Unit 2). [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 126, and Permit 14

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( 18 ) By no later than June 30, 2014, the p ermittee shall prepare and submit to EPA and the Department a Quality Assurance/Quality Control (“QA/QC”) protocol that shall be followed for the PM CEMS at B22 (Unit 2). [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 127, and Permit 1 4

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( 19 ) In developing both the plan for installation and correlation of the PM CEMS and the QA/QC protocol, Permittee shall ensure that the criteria set forth in 40 C.F.R. Part 60, Appendix B, Performance Specification 11, and 40 C.F.R. Part 6 0, Appendix F, Procedure 2 are used. Following EPA’s approval of the plan described in G’ .1. b.(17 ) and the QA/QC protocol described in G’ .1. b. ( 18 ), Permittee shall thereafter operate the PM CEMS in accordance with the approved plan and QA/QC protocol. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 128 , and Permit 14

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(20 ) B y December 31, 2014, Permittee shall ensure that the PM CEMS is installed, correlated, maintained, and Continuously Operated. Permittee shall ensure that performance specification tests on the PM CEMS are conducted, and shall ensure compliance with the PM CEMS installation and correlation plans submitted to and approved by EPA in accordance with G’.1.(17 ) and ( 18 ) is demonstrated. The PM CEMS shall be oper ated in accordance with the approved plan and QA/QC protocol. The data recorded by the PM CEMS during Unit operation, expressed in lb/mmBtu on a 24

- Hour Rolling Average, shall be reported in electronic format to EPA, identifying in the report any PM Emissi on Rates in excess of the applicable PM Emission Rate and any concentrations measured by the PM CEMS that are greater than 125% of the highest PM concentration level used in the most recent correlation testing performed pursuant to Performance Specificatio n 11 in 40 C.F.R. Part 60, Appendix B. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

-
cv - 266 par. 129 , and Permit 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21.

Pollutant: 2. Visible Emissions

a. Limitations:

(1)(a) Opacity may not exceed 20% or number 1 of the Ringlemann chart except when combustion equipment is being cleaned or a new fire started, emissions may exceed number 1 of the Ringlemann chart or 20% opacity but may not exceed number 4 of the Ringlem ann chart or 80% opacity for 6 minutes in any one hour. Combustion equipment may not be cleaned nor a fire started more than 3 times p er day. 11 (b) Emissions may exceed number 1 of the Ringlemann chart or 20% opacity for stated periods of time, as permitted by th e department, for such purpose as an operating test, use of emergency or reserve equipment, or other good cause, provided no hazard or unsafe c ondition arises. Such permission may only be granted in writing. [ss. NR 431.05(1)&(2), 440.19(3)(a)2. and 440.1 1(3), Wis. Adm. Code , and Permit 11

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(2) At all times, including periods of startup, shutdown and malfunction, the permittee shall, to the extent practicable, maintai n and operate boiler B22, including associated air pollution control equipment 12 , in a manner consistent with good air pollution control practice for minimizing emissions. [s. NR 440.11(4), Wis. Adm. Code] b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system which meets the performance specifications of condition I.G’.2.b.(3) for the measurement of opacity from stack S12. 13 [ss. NR 439.095(1)(f) and NR 440.19(6)(a), Wis. Adm. Code]

(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.G’.2.b.(1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I and Performance Specification 1 in 40 CFR part 60, Appendix B. [ss. NR 439.09(1) and NR 439.095(6), Wis. Adm. Code]

(3) The continuous emission monitor required by condition I.G’.2.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.0 9(8) and NR 439.095(6), Wis. Adm. Code]

(4) The permittee shall prepare and submit to the Department an updated Start

- up and Shut

- down Plan for the boiler. This plan shall be submitted prior to the initial operation of the spray dryer absorber. The pla n shall define normal start

- up and shut

- down procedures, including the normal duration of
start

- up and shut

- down periods. [s. NR 407.09(4)(a), Wis. Adm. Code]

(5) Zero and Span Calibrations: The permittee shall perform a calibration check on the zero and span drifts of the (1) Reference Test Method for Visible Emissions: Whenever compliance emission testing is required, US EPA Method 9 shall be used to demonstrate compliance. The minimum total time of observations shall be 3

- hours (30 6

- minute averages). [ss. NR 439.06(9)(a)1. and NR 440.19(7)(b)3., Wis. Adm. Code]

(2) The continuous opacity monitor required by condition I.G’.2.b.(1) shall complete one cycle of sampling and analyzing for each successive 10

- second period and one cycle of data recording for each successive 6

- minute period. [s. NR 439.09(9)(a), Wis. Adm . Code]

(3) The permittee shall submit quarterly excess emission and monitoring system performance (MPS) reports to the Department within 30 days following the end of each calendar quarter. [ss. NR 439.09(10) and NR 440.19(6)(g), Wis. Adm. Code]

(4) E xcess emissions for opacity are, any 6 minute period during which the average opacity exceeds the limitation in condition I.G’.2.a.(1). [ss. NR 439.09(10)(b) and NR 440.19(6)(g)1., Wis. Adm. Code]

(5) The excess emission reports required by condition I. G’.2.c.(3) shall contain the information in Condition No. I.ZZZ.1.a(7) of this construction permit. [s. NR 439.09(10)(a), Wis. Adm. Code]

(6) Data Format: (a) The permittee shall reduce all data to 6

- minute averages, calculated from a minimum of 36 da ta points equally spaced over each 6

- minute

11 When combustion equipment is being cleaned or a new fire started and opacity exceeds 20%, one 6

- minute exceedance per hour may be exempt, but no more than 3 exemptions per day are allowed. This provision does not restrict the number of cleanings or the number of fires that may be started in any day, only the num ber of exemptions that are allowed in any one day.

12 The permittee has demonstrated that it is not practicable to operate the electrostatic precipitator during periods of normal start

- up and shut

- down as defined in the Start

- up and Shut

- down Plan required by condition I.G'.1.b.(4), because unburned hydrocarbons can collect on the plates and wires of the electrostatic precipitator and could combust, damaging the control equipment.

13 The permittee is exempt from the biennial opacity compliance tests require d by s. NR 439.075(3)(b), Wis. Adm. Code, provided they operate a continuous opacity monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. Code, pursuant to s. NR 439.075(4)(a)2., Wis. Adm. Code.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. continuous emission monitoring system at least once daily. The calibration check shall be performed according to the procedures and methods i n s. NR 440.13(4), Wis. Adm Code and s. NR 440.19(6)(c)3., Wis. Adm. Code. [ss. NR 440.13(4) and NR 440.19(6)(c)3., Wis. Adm. Code] period. (b) Data recorded during periods of continuous monitoring system breakdowns, repairs, calibration checks, and zero and span adjustments may not be included in the data averages. (c) All excess emissions shall be converted into percent opacity rounded to the nearest one percent opacity. [s. NR 440.13(8), Wis. Adm. Code]

Pollutant: 3. Sulfur Dioxide

a. Limitations:

(1) Emissions may not exceed: (a) 0.80 pounds per million Btu heat input derived from liquid fossil fuel or liquid fossil fuel and wood residue 14

. (b) 1.2 pounds per million Btu heat input derived from solid fossil fuel or solid fossil fuel and wood residue. (c) When different fossil fuels are burned simultaneously in any combination, the emission limitation (in pounds per million Btu) shall be determined by proration using the following formula:

PS SO2 = (0.0023)[y(340) + z(520)]/[y + z]

where: PS SO2 is the prorated limitation for sulfur dioxide when burning different fuels simultaneously, in pounds per million Btu heat inp ut derived from all fuels fired;
y is the percentage of total heat input derived from liquid fossil fuel;

z is the percentage of t otal heat input derived from solid fossil fuel. [ss. NR 440.19(4)(a) through (c), Wis. Adm. Code]

(2) Commencing no later than 30 Operating Days after January 1, 2015, B22 (Unit 2) shall achieve and maintain a 30

- Day Rolling Average Emission Rate for SO 2 of no greater than 0.075 lb/mmBtu. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 101 , and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) Compliance with the emission limit in condition I.G’.3.a.(1) shall be based on the total heat input from all fuels burned, including gaseous fuels. [s. NR 440.19(4)(c), Wis. Adm. Code]

(2) The permittee shall calibrate, maintain and operate a continuo us monitoring system for the measurement of sulfur dioxide which meets the performance specifications of condition I.G’.3.b.(3). 15 [ss. NR 439.095(1)(f) and 440.19(6)(a), Wis. Adm. Code]

(3) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.G ’ .3.b.(2) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I. [ss. NR 439.09(2) and NR 439.095(6), Wis. Adm. Code] (1) The continuous sulfur dioxide monitor require d by condition I.G’.3.b.(2) shall perform sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be averaged hourly. (c) Hour ly averages shall be computed from a minimum of 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consis t of at least 2 data points separated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code and 40 CFR 75.10(1)]

(2) The permittee shall submit quarterly excess emission reports to

14 Wood residue means bar k sawdust, slabs, chips, shavings mill trim and other wood products derived from wood processing and forest management operations. 15 The permittee is exempt from the biennial sulfur dioxide compliance tests required by ss. NR 439.075(2)(a)2., and (3)(b), Wis. Adm. Code, provided they operate a continuous sulfur dioxide emission monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. Code, pursuant to s. NR 439.075(4)(a)2., Wis. Adm. Code. The permittee is exempt from the p eriodic fuel sampling and analysis requirements of s. NR 439.085(2), Wis. Adm. Code, provided they operate a continuous sulfur dioxide emission monitor that meets the performance specification requirements of s. NR 439.09, Wis. Adm. C ode, pursuant to s. NR 439.085(1)(c), Wis. Adm. Code.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. (4) The continuous emission monitor required by condition I.G.3.b.(2) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(5) Conversion of Continuous Mon itoring Data Into Units of Applicable Standard: Measurement of the sulfur dioxide concentration by continuous emission monitors shall be on a consistant basis (wet or dry). The conversion procedures in s. NR 440.19(6)(e) and (f), Wis. Adm. Code shall be used to covert continuous monitoring data into units of the applicable standards (lbs/million BTU) [ss. NR 440.19(6)(e) and (f), Wis. Adm. Code]

(6) Zero and Span Calibrations: The permittee shall perform a calibration check on the zero and span drifts of the continuous emission monitoring system at least once daily. The calibration check shall be performed according to the procedures and methods in s. NR 440.13(4), Wis. Adm Code and s. NR 440.19(6)(c) 2., 3., 4 and 5., Wis. Adm. Code. If the perform ance requirements in 40 CFR Part 75 are more stringent, then the more restrictive requirements from 40 CFR Part 75 shall apply. [ss. NR 440.13(4)(a) and NR 440.19(6)(c)2., 3., 4 and 5, Wis. Adm. Code]

(7) Permittee shall install a Dry Flu e Gas Desulfuriza tion (DFGD)
at B22 (Unit 2) on or before December 31, 2014. Commencing on January 1, 2015, and continuing thereafter, Permittee shall Continuously Operate the DFGD. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 101 , and Permit 14

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(8) In determining a 30

- Day Rolling Average Emission Rate for SO 2 , the permittee shall use SO 2 emission data obtained from a CEMS in accordance with the procedures of 40 C.F.R. Part 75, except that SO 2 emissions data need not be bias adjusted and the missing data substitution procedures of 40 C.F.R. Part 75 shall not apply to such determinations. Diluent capping (i.e., 5% CO 2 ) will be applied to the SO 2 Emission Rate for any hours where the measured CO 2 concentration is less than 5% following the procedures in 40 C.F.R. Part 75, Appendix F, Section 3.3.4.1. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 107 , and Permit 14

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- R1] the Department within 30 days following the end of each calen dar quarter. [s. NR 439.09(10), Wis. Adm. Code]

(3) Excess emissions for sulfur dioxide are, any 3

- hour period during which the average emissions (arithmetic average of 3 contiguous one

- hour periods) exceed the limitation in condition I.G ’ .3.a.(1). 16 [s . NR 440.19(6)(g)2., Wis. Adm. Code]

(4) The excess emission reports required by condition I.G.3.c.(3) shall contain the information in condition I.T.2.a. [s. NR 439.09(10)(a), Wis. Adm. Code]

(5) Performance Evaluation Methods: Whenever performance evaluations of the sulfur dioxide continuous monitoring system are required, U.S. EPA Methods 6, 6A, 6B or 6C and 3, 3A or 3B or the alternate methods given in condition I.G.3.c.(7) shall be used. [s. NR 440.19(6)(c)1., Wis. Adm. Code]

(6) When combinat ions of fossil fuels or fossil fuels and wood residue are fired, the permittee, in order to compute the prorated sulfur dioxide limitation in condition I.G.3.a.(1)(c), shall determine the percentage (y or z) of the total heat input derived from each fuel

a s described in s. NR 440.19(7)(c), Wis. Adm. Code. [s. NR 440.19(7)(c), Wis. Adm. Code]

(7) Reference Test Method for Sulfur Dioxide Emissions: (a) Whenever compliance emission testing is required, U.S. EPA Method 6 or an alternate method outlined in c ondition I.G.3.c.(8) shall be used to demonstrate compliance in accordance with the procedures described in s. NR 440.19(7)(b)4., Wis. Adm. Code. (b) The emission rate (E) of SO 2 shall be computed for each run using the equation described in s. NR 440.19(7)(b)1., Wis. Adm. Code. [ss. NR 439.06(2)(a) and NR 440.19(7)(b)1. and 4., Wis. Adm. Code]

(8) Alternate Reference Test Methods and Procedures: The permittee may alternativel y use the sulfur dioxide methods and procedures described in s. NR 440.19(7)(d). [ss. NR 440.19(7)(d)1., 3., 6., and 7., Wis. Adm. Code]

Pollutant: 4. Nitrogen Oxides

a. Limitations:

(1) Emissions, expressed as NO 2 , may not exceed: (a) 0.30 pounds per million Btu heat input derived from liquid fossil fuel, liquid fossil fuel and wood residue, or gaseous fossil fue l and wood residue. (b) 0.70 pounds per million Btu heat input derived from solid fossil fuel or solid fossil fuel and wood residue (except lignite or a solid fuel containing 25%, by weight or more of coal refuse 17 ).

16 Excess emission are defined as any 3

- hour period during which sulfur dioxide emission exceed the limitation. The permittee may keep records in terms of hourly averages. If none of the hourly averages exceed the emissio n limitations, it can be assumed that the 3

- hour rolling average emissions do not exceed the limitation.
17 Coal refuse means waste

- products of coal mining, cleaning and coal preparation operations (e.g. culm, gob, etc.) containing coal, matrix material, clay and other organic and inorganic material.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. (c) 0.60 pounds per million Btu heat input derived from lignite or lignite and wood residue. (d) Except as provided under (e), when different fossil fuels are burned simul taneously in any combination, the emission limitation (in pounds per million Btu) shall be determined by proration using the following formula:

, where:

PS NOx is the prorated standard for nitrogen oxides when burning different fuels simultaneously, in pounds per million Btu heat inpu t derived from all fuels fired of from all fuels and wood residue fired;

w is the percentage of total heat input derived from lign ite;

x is the percentage of total heat input derived from gaseous fossil fuel;
y is the percentage of total heat input derived from liquid fossil fuel;

z is the percentage of total heat input derived from solid fossil fuel (except lignite). (f) When a foss il fuel containing at least 25%, by weight, of coal refuse is burned in combination with gaseous, liquid or other solid fossi l fuel or wood residue, the emission limitations outlined above for nitrogen oxide do not apply. [s. NR 440.19(5)(a), (b) and (c), Wis. Adm. Code]

(2) Following the completion of the 6 th pulverizer replacement or expiration of this construction permit, whichever comes first, emissions may not exceed 225.87 tons per month, averaged over any 12 consecutive months. 18 [s. 285.65(7), Wis. Stats., and Permit 14

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(3) Commencing no later than 90 Days after June 17, 2013, and continuing thereafter, Permittee shall ensure the Continuous Operat ion of the Low NO x Combustion System so that B22 (Unit 2) achieves and maintains a 12

- Month Rol ling Average Emission Rate for NOx of no greater than 0.150 lb/mmBtu [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 83 , and Permit 14

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(4) Permittee shall install a Selective Catalytic Reduction (SCR) at B22 (Unit 2) on or before December 31, 2018. Commencing no later than 30 Operating Days after January 1, 2019, and continuing thereafter, Permittee shall Continuously Operate the SCR so that B22 (Unit 2) achieves and maintains a 30

- Day Rolling Average Emission Rate for NO" of no greater than 0.080 lb/mmBtu and a 12

- Month Rolling Average Emission Rate for NOx of no greater than 0.070 lb/mmBtu

. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 84 , and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of nitrogen oxides which meets the performance specifications of condition I.G'.4.b.(2). [ss. NR 439 .095(1)(f) and NR 440.19(6), Wis. Adm. Code]

(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.G'.4.b.( 1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I. [ss. NR 439.09(2) and 439.095(6), Wis. Adm. Code]

(3) The continuous emission monitor required by condition I.G'.4.b.(1) shall follow a quality control and qualit y assurance plan, as approved by the Department. [ss. NR 439.09(8) and 439.095(6), Wis. Adm. Code]

(4) Conversion of Continuous Monitoring Data Into Units of Applicable Standard: Measurement of the nitrogen oxide concentration by continuous emission m onitors shall be on a consistant basis (wet or dry). The conversion procedures in s. NR (1) The contin uous nitrogen oxides monitor required by condition I.G'.4.a.(1) shall perform sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be average hourly. (c) Hourly averages shall be computed from a minimum of 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code and 40 CFR 75.10(1)]

(2) The permittee shall submit quarterly excess emission reports to the Department within 30 days following the end of each calendar quarter. [s. NR 439.09(10), Wis. Adm. Code]

(3) Excess emissions for nitrogen oxides are any 3

- hour period during which th e average emissions (arithmetic average of 3

18 The permittee proposed this emission limit on October 25, 2014 to avoid PSD applicability for NO x emissions for permit 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. 440.19(6)(e) and (f), Wis. Adm. Code shall be used to covert continuous monitoring data into units of the applicable standards (lbs/million Btu) [ss. NR 440.19(6)(e) a nd (f), Wis. Adm. Code]

(5) Zero and Span Calibrations: The permittee shall perform a calibration check on the zero and span drifts of the continuous emission monitoring system at least once daily. The calibration check shall be performed according to the procedures and methods in s. NR 440.13(4), Wis. Adm Code and s. NR 440.19(6)(c)3., 4 and 5., Wis. Adm. Code. If the performance requirements in 40 CFR Part 75 are more stringent, then the more restrictive requirements from 40 CFR Part 75 shall apply. [ss. NR 440.13(4)(a) and NR 440.19(6)(c)3.4. and 5., Wis. Adm. Code]

(6) The permittee shall calculate the monthly nitrogen oxides emissions from the boiler in the unit of tons per month, averaged over the 12 consecutive month period, by the end of the following month. [s. 285.65(3), Wis. Stats., and Permit 14

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(7) I n determining a 30

- Day Rolling Average Emission Rate for NO x or a 12

- Month Rolling Average Emission Rate for NO x , required by conditions G’.4.a.(3) and (4), the permittee shall use NO x emission data obtained from a CEMS in accordance with the procedures of 40 C.F.R. Part 75, except that NO x emissions data need not be bias adjusted and the missing data substitution procedures of 40 C.F.R. Part 75 shall not apply to such determinations. Diluent capping ( i.e. , 5% CO 2 ) will be applied to the NO x emission rate f

or any hours where the measured CO 2 concentration is less than 5% following the procedures in 40 C.F.R. Part 75, Appendix F, Section 3.3.4.1. [ss. 285.65(2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 92 , and Permit 14

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- R1] contiguous one

- hour periods) exceed the limitation in condition I.G'.4.a.(1). 19 [s. NR 440.19(6)(g)3., Wis. Adm. Code]

(4) The excess emission reports required by condition I.G'.4.c.(2) shall contain the infor mation in condition I.T.2.a. [s. NR 439.09(10)(a), Wis. Adm. Code]

(5) Performance Evaluation Methods: Whenever performance evaluations of the nitrogen oxide continuous monitoring system are required, U.S. EPA Methods 7, 7C, 7D or 7E and 3, 3A, 3B or the alternate methods given in condition I.G'.4.c.(8) shall be used. [s. NR 440.19(6)(c)1., Wis. Adm. Code]

(6) When combinations of fossil fuels or fossil fuels and wood residue are fired, the permittee, in order to compute the prorated nitrogen oxide limitation in condition I.G'.4.a.(1)(d), shall determine the percentage (w, x, y or z) of the total heat input derived from each fuel as described in s. NR 440.19(7)(c), Wis. Adm. Code. [s. NR 440.19(7)(c), Wis. Adm. Code]

(7) Reference Test Method for Nitrogen Oxide Emissions: (a) Whenever compliance emission testing is required, U.S. EPA Method 7, 7C, 7D, 7E shall be used to demonstrate compliance in accordance with the procedures described in s. NR 440.19(7)(b)5., Wis. Adm. Code. (b) The em ission rate (E) of NO X shall be computed for each run using the equation described in s. NR 440.19(7)(b)1., Wis. Adm. Code. [ss. NR 439.06(6) and 440.19(7)(b)1. and 5., Wis. Adm. Code]

(8) Alternate Reference Test Methods and Procedures: The permittee may alternatively use the nitrogen oxide methods and procedures described in s. NR 440.19(7)(d), Wis. Adm. Code, [ss. NR 440.19(7)(d)1., 5., 6., and 7., Wis. Adm. Code]

(9) The permittee shall record the monthly nitrogen oxides emissions from the boile r in the unit of tons. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(10) The permittee shall record the monthly nitrogen oxides emissions from the boiler in the unit of tons per month, averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Pollutant: 5. Carbon Monoxide (these conditions apply upon completion of the steam turbine upgrade)

a. Limitations:

(1) Best Available Control Technology (BACT): 0.12 pound per million Btu heat input, averaged over any 12 consecutive months. [s. NR 405.08, Wis. Adm. Code, and Permit 14

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19 Excess emission s are defined as any 3

- hour period during which nitrogen oxide emission s exceed the limitation. The permittee may keep records in terms of hourly averages. If none of the hourly averages exceed the emission limitations, it can be assumed that the 3

- hour rolling average emissions do not exceed the limitation.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitorin g: (1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of carbon monoxide which meets the performance specifications of condition I.G'.5.b.(2). [s. 285.65(3), Wis. Stats., and Permit 14

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(2) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.G'.5.b.(1) in accordance with the performance specifications in 40 CFR Part 60, Appendix B. [s. NR 439.09(4), Wis. Adm. Code, and Permit 14

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(3) The continuous emission monitor required by condition I.G'.5.b.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code, and Permit 14

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(4) Th e permittee shall calculate the monthly carbon monoxide emissions from the boiler in the unit of pounds per mmBtu, averaged over the 12 consecutive month period, by the end of the following month. This calculation shall be made by dividing total pounds of carbon monoxide emitted by the total heat input produced by the boiler (mmBtu) , as measured by the CEMS, during the 12 consecutive month period. [s. 285.65(3), Wis. Stats., and Permit 14

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- 174] (1) The continuous carbon monoxide monitor required by c ondition I.G'.5.b.(1) shall perform sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be average hourly. (c) Hourly averages shall be computed from 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at l east 2 data points separated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code, and Permit 14

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(2) The permittee shall record the monthly carbon monoxide emissions from the boiler in the unit of pounds. [s. NR 439.04, Wis. Adm. Co de, and Permit 14

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(3) The permittee shall record the monthly heat input produced by the boiler in the unit of million Btus and measured by the CEMS. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(4) The permittee shall record the mont hly average carbon monoxide emissions from the boiler in the units of pounds per mmBtu, averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Pollutant: 6. Carbon Dioxide(these conditions apply upon compl etion of the steam turbine upgrade)

a. Limitations:

(1) Best Available Control Technology (BACT): 2,406 pounds per MW

- hr (gross), averaged over any 12 consecutive months. [s. NR 405.08, Wis. Adm. Code, and Permit 14

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of carbon dioxide which meets the performance specifications of condition I.G'.6.b .(2). [s. NR 439.095(1)(f), Wis. Adm. Code]

(2) The permittee shall calibrate, maintain and operate the continuous emission monitor required by condition I.G'.6.b.(1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I . [s. NR 439.095(6), Wis. Adm. Code]

(3) The continuous emission monitor required by condition I.G'.6.a.(1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code]

(4) The permittee shall calculate the monthly carbon dioxide emissions from the boiler in the unit of pounds per megawatt

- hour, averaged over the 12 consecutive month period, by the end of the following month. This calculation shall be made dividing total (1) The continuous carbon dioxide monitor required by condition I.G'.6.b.(1) shall perform sampling, analyzing and data recording as follows: (a) Complete one cycle of sampling, analyzing and date recording for each successive 15

- minute period. (b) The values recorded shall be average hourly. (c) Hourly averages shall be compute d from 4 data points equally spaced over each 1 hour period, except during periods when calibrations, quality assurance or maintenance activities are being performed. During these periods, a valid hour shall consist of at least 2 data points separated by a minimum of 15 minutes. [s. NR 439.09(9)(b), Wis. Adm. Code and 40 CFR 75.10(1)]

(2) The permittee shall record the monthly carbon dioxide emissions from the boiler in the unit of pounds. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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(3) Th e permittee shall record the monthly gross megawatt hours produced by the turbine.FID No. 111003090, Permit No. 14

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G’. S12/B22 (Identified as Unit 2 for acid rain purposes)

- Coal Fired Boiler

- Rated at 5885 mm Btu per hour

- Installed 1975. 9 A re cycled soli ds silo and a waste solids silo also exhaust through the baghouse. The boiler also has the capacity to fire wood, petroleum contaminated soils and absorbents, and waste oil. Please see the requirements that relate to these alternate opera ting scenarios for the boiler in I.H. , I.I. and I.J. of Operation Permit 111003090

- P21. pounds of carbon dioxide emitted by the megawatt hours (gross) produced by the turbine during the 12 consecutive month period. [s. 285.65(3), Wis. Stats., and permit 14

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- hour (gross, averaged over each 12 consecutive month period. [s. NR 439.04, Wis. Adm. Code, and Permit 14

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Condition 7. Stack Fl ow Rate

a. Limitations:

(1) The permittee shall calibrate, maintain and operate a continuous monitoring system for the measurement of the stack flow rate which meets the performance specifications of condition I.G'.7.b.(1). [s. NR 439.095(1)(f), Wis. Adm. Code.] b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall calibrate maintain and operate the continuous emission monitor required by condition I.G'.7.a.( 1) in accordance with the performance specifications in 40 CFR part 75, Appendices A to I. [s. NR 439.095(6), Wis. Adm. Code]

(2) The continuous emission monitor required by condition I.G'.7.a.( 1) shall follow a quality control and quality assurance plan, as approved by the Department. [ss. NR 439.09(8) and NR 439.095(6), Wis. Adm. Code] (1) The continuous stack flow rate monitor required by condition I.G'.7.a.(1) shall be used to convert eith er sulfur dioxide or nitrogen oxide continuous emission monitoring data, or both, to units of the applicable emission limitations. [s. NR 439.095(5)(f), Wis. Adm. Code]FID No. 111003090, Permit No. 14

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GA. S26/P26 Lime Silo Bin Vent For Unit 2

- Permitted 2011

Pollutant: 1. Particulate Matter/PM 10 /PM 2.5 Emissions

a. Limitations:

(1) Emissions may not exceed 6.4 x 10 - 2 pounds per hour. [s. NR 404.08(8) and (9), Wis. Adm. Code, s. 285.65(7), Wis. Stats., and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall operate a fabric filter control device on the lime silo to control particulate matter /PM 10 /PM 2.5 emissions whenever the silo is being filled or operated. [s. 285.63(1)(a), Wis. Stats. , and Permit 11

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(2) The permittee shall perform internal inspections of the fabric filter control device not less than once every 18 months to ensure that the control equipment is operating properly. [s. NR 407.09(4)(a)3.b., Wis. Adm. Code]

(3) The permittee shall maintain at the facility a written copy of the emission guarantee from the fabric filter control device manufacturer or vendor that the emission limit in I.GA.1.a.(1) will be met at all times. [s. 285.65(3), and Permit 11

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(4) Th e permittee shall submit to the Department, within 30 days after the start of initial operation of the lime silo, the operating range of the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(5) The permittee shall install, maintain and operate instruments to monitor the pressure drop across the fabric filter control device. [s. NR 439.055(1)(a), Wis. Adm. Code , and Permit 11

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(6) Stack Parameters (a) Stack height shall be at leas t 143 feet above ground level. (b) The stack outlet diameter may not be greater than 1 foot. (c) The stack may not be equipped with a rainhat or other device which impedes the upward flow of the exhaust gases. [s. 285.65(3), Stats. and s. NR 406.10, Wis. Adm. Code, and 11

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- 123] (1) Reference Test Method for Particulate Matter Emissions: Whenever compliance emission testing is required, US EPA Method 5, including condensible backhalf emissions, shall be used to demonstrate compliance. [s. NR 439.06(1) , Wis. Adm. Code]

(2) The permittee shall record the pressure drop across the fabric filter once for every 8 hours of operation or once per day, whichever yields the greater number of measurements. [s. NR 439.055(2)(b)1., Wis. Adm. Code, and 11

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(3) The permittee shall keep records of all inspections, checks and any maintenance or repairs performed on the fabric filter control device, containing the date of the action, initials of inspector, and the results. [s. NR 439.04(1)(d), Wis. Adm. Code, an d 11

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(4) The pressure drop monitoring device shall be accurate to within 5% of the pressure drop being measured or within ±1 inch of water column, whichever is greater. [s. NR 439.055(3)(b), Wis. Adm. Code, and Permit 11

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Pollutant: 2. Visible Emissions

a. Limitations:

(1) Opacity may not exceed 20% or number 1 of the Ringlemann chart. [s. NR 431.05, Wis. Adm. Code , and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) The permittee shall comply with I.GA.1.b. [s. 285.65(3), Wis. Stat., and Permit 11

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- 123 ] (1) Reference Test Method for Visible Emissions: Whenever compliance emission testing is required, US EPA Method 9 shall be used to demonstrate compliance. [s . NR 439.06(9)(a)1., Wis. Adm. Code]

(2) The permittee shall comply with I.GA.1.c.FID No. 111003090, Permit No. 14

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GC. F99 Truck Traffic on Paved and Unpaved Haul Roads

Pollutant: 1. Particulate Matter/PM 10 /PM 2.5 Emissions

a. Limitations:

(1) The permittee may not cause, allow or permit any materials to be handled, transported or stored without taking precautions to prevent particulate matter from becoming airborne. Nor may the permittee allow a structure, a parking lot, or a road to be used, c onstructed, altered, repaired, sand blasted, or demolished without taking such precautions. [s. NR 415.04, Wis. Adm. Code, and Permit 11

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b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) No person may cause, allow or permit any materials to be handled, transported or stored without taking precautions to prevent particulate matter from becoming airborne. Nor may a person allow a structure, a parking lot, or a road to be used, constructed, altered, repaired, sand blasted or demolished without taking such precautions. Such precautions shall include, but not be limited to: (a) Use, where possible, of water or chemicals for control of dust in the demolition of existing buildings or structures, or construction operations

. (b) Application of asphalt, water, suitable chemicals or plastic covering on dirt roads, material stockpiles and other surfaces which can create airborne dust, provided such application does not create a hydrocarbon, odor or wa ter pollution problem. (c) Installation and use of hoods, fans, and air cleaning devices to enclose and vent the areas where dusty materials are handled. (d) Covering or securing of materials likely to become airborne while being moved on public roads, rai lroads or navigable waters. (e) Conduct of agricultural practices such as tilling of land or application of fertilizers in such manner as not to create air pollution. (f) The paving or maintenance of roadway areas so as not to create air pollution. [s. NR 415.04(1), Wis. Adm. Code , and 11

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(2) The permittee shall prepare a fugitive dust control plan to prevent, detect and correct malfunctions, equipment failures or other circumstances which may cause any applicable emission limitation to be violate d or which may cause air pollution. The plan shall be in writing, submitted within 60 days prior to the first receipt of lime for the spray dryer absorbers to the Department's South Central Region Air Program, and updated as needed. The fugitive dust contr ol plan, at a minimum, shall include the criteria when dust suppression activities will be implemented and the records of those dust suppression activities. [s. NR 415.04, Wis. Adm. Code, and 11

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(2) The permittee shall keep daily records and maintain records of the foll owing: (a) Daily dust suppression activities (b) Daily meteorological conditions. [ss. NR 415.04 and NR 439.04(1)(d), Wis. Adm. Code, and 11

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(3) The permittee shall keep monthly records and maintain records of the following: (a) Monthly number of truck loads of lime delivered (b) Monthly tonnage of biproduct silo waste delivered to the on

- site landfill. [ss. NR 415.04 and NR 439.04(1)(d), Wis. Adm. Code, and 11

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(4) The permittee shall enforce a speed limit of 10 miles per hour for
tr uck traffic on the haul roads. [ss. NR 415.04 and NR 439.04(1)(d), Wis. Adm. Code, and 11

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266

1

. B21 and B22 NO x emissions cap
(1) For each calendar year, commencing in 2013, and continuing through 2018, the combined total annual NO x emissions from B21 (Unit 1) and B22 (Unit 2) shall not exceed 5,550 tons per year. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 91 , and Permit 14

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(2) For each calendar year, commencing in 2019, and each calendar year thereafter, the combined total NO x emissions from B21 (Unit 1) and B22 (Unit 2) shall not exceed 4

, 30 0 tons per year

. [ss. 285.65(2) and (13),Wis. Stats., C onsent Decree 13

- cv - 266 par. 91 , and Permit 14

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(3) For purposes of determining compliance with any combined total emission l imitation for NO x , as listed in Z. 1 .(1) and (2), Permittee shall use NO x emission data obtained from a CEMS in accordance with the procedures specified in 40 C.F.R. Part 75. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266 par. 93 , and Permit 14

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2

. Use and Surrender of NO x Allowances

(1) Beginning in calendar year 2013, and continuing each calendar year thereafter, t he Permittee shall Surrender all NO x Allowances allocated to Units 1 and 2 for that calendar year that are not needed to meet federal and/or state CAA regulatory requirement s for (a) the System Units, or (b) any electricity generating unit in the State of Wisconsin in which the Permittee has an Operational Interest or Ownership Interest, that is subject to a federal consent decree addressing PSD and/or Nonattainment NSR violati ons to which the United States is a party. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 96, and Permit 14

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(2) Permittee is not prevented from purchasing or otherwise obtaining NO x Allowances from another source or from another Permittee for purposes of complying with federal and/or state CAA regulatory requirements to the extent otherwise allowed by law. The requirements of Permit 14

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- R1 pertaining to Permittee’s use and Su rrender of NOx Allowances are permanent. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 97, and Permit 14

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3 . Super

- Compliant NO x Allowances

(1) Notwithstanding Z. 2 .(1), in each calendar year beginning in 2013, and contin uing thereafter, the Permittee may sell, bank, use, trade, or transfer NO x Allowances allocated to Units 1 and 2 that are made available in that calendar year solely as a result of:

a. the installation and operation of any NO x air pollution control equipm ent that is not otherwise required under Permit 14

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- R1, and is not otherwise required by law; b. the use of an SCR pr ior to the date established by G’.4

. a .( 4 ), or c. achievement and maintenance of an Emission Rate below an applicable 30

- Day Rolling Average Emission Rate and 12

- Month Rolling Average Emission Rate for NO x ; provided that the Permittee is also in compliance for that calendar year with all emission limitations for NO x . Permittee shall ensure the reporting of the generation of such Super

- Compliant Allowances in accordance with condition T.1. of operation permit 111003090

- P28. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 98, and Permit 14

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- R1] 4 . Method for Surrender of NO x Allowances

(1) Permittee shall Surrender, or transfer to a non

- profit third

- party selected by Permittee for Surrender, all NO x Allowances required to be Surrendered pursuant to Z. 2 .(1) by June 30, 2014. If any NO x Allowances required to be Surrendered under this Consen t Decree are transferred directly to a non

- profit third

- party, the permittee shall include a description of such transfer in the next report submitt ed to EPA pursuant to Section XII (Periodic Reporting) of Consent Decree 13

- cv

- 266 . Such report shall: (a) identify the non

- profit third

party recipient(s) of the NO x Allowances and list the serial numbers of the transferred NO x Allowances; and (b) include a certification by the third party recipient(s) stating that the recipient(s) will not sell, trade, or oth erwise exchange any of the NO x Allowances and will not use any of the NO x Allowances to meet any obligation imposed by any environmental law. No later than the third periodic report due after the transfer of any NO x Allowances, the Permittee shall include a statement that the third

- party recipient(s) Surrendered the NO x Allowances for permanent Surrender to EPA in accordance with the provisions of Z. 4 .(2) within one year after the Permittee transferred the NO x Allowances to them. The Permittee shall not hav e complied with the NO x Allowance Surrender requirements of this Paragraph until all third

- party recipient(s) have actually Surrendered the transferred NO x Allowances to EPA.

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 99, and Perm it 14

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(2) For all NO x Allowances required to be Surrendered, Permittee shall ensure that a NO x Allowance transfer request form is firstFID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 submitted to EPA’s Office of Air and Radiation’s Clean Air Markets Division directing the transfer of such NO x Allowances to the EPA Enforcement Surrender Account or to any other EPA account that EPA may direct in writing. Such NO x Allowance transfer requests may be made in an electronic manner using the EPA’s Clean Air Markets Division Business System, or simi lar system provided by EPA. As part of submitting these transfer requests, the Permittee shall ensure that the transfer of its NO x Allowances are irrevocably authorized and that the source and location of the NO x Allowances being Surrendered are identified by name of account and any applicable serial or other identification numbers or station names. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv 266, par. 100, and Permit 14

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5 . B21 and B22 SO 2 emissions cap

(1) For each calendar year, commencing in 2013, and continuing through 2014, the combined total annual SO 2 emissions from B21 (Unit 1) and B22 (Unit 2) shall not exceed 28,537 tons per year. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 1 06 , and Permit 14

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(2) For each calendar year, commencing in 2015, and each calendar year thereafter, the combined total annual SO 2 emissions from B21 (Unit 1) and B22 (Unit 2) shall not exceed 3,286 tons per year. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266 par. 10 6 , and Permit 14

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(3) For purposes of determining compliance with the combined total emission limitation for SO 2 , as listed in Z

. 5 .(1) and (2), Permittee shall use SO 2 emission data obtained from a CEMS in accordance with the procedures specified in 40 C.F.R. Part 75. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266, par. 108, and Permit 14

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6

. Use and Surrender of SO 2 Allowances

(1) Beginning in calendar year 2013, and continuing each calendar year thereafter, the Permittee shall Surrender all SO 2 Allowances allocated to Units 1 and 2 for that calendar year that are not needed to meet federal and/or state CAA regulatory requirement s f or (a) the System Units, or (b) any electricity generating unit in the State of Wisconsin in which the Permittee has an Operational Interest or Ownership Interest, that is subject to a federal consent decree addressing PSD and/or Nonattainment NSR violatio ns to which the United States is a party. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266, par. 111, and Permit 14

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(2) Permittee is not prevented from purchasing or otherwise obtaining SO 2 Allowances from another source or from a nother Permittee for purposes of complying with federal and/or state CAA regulatory requirements to the extent otherwise allowed by law. The requirements of Permit 14

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- R1 pertaining to the Permittee’s use and Surrender of SO2 Allowances are permanent. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266, par. 112, and Permit 14

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7 . Super

- Compliant SO 2 Allowances

(1) Notwithstanding Z. 6 .(1), in each calendar year beginning in 2013, and continuing thereafter, Permittee may sell, bank, use, trade, or transfer SO 2 Allowances that are made available in that calendar year solely as a result of:

a. the installation and operation of any SO 2 air pollution control equipment that is not otherwise required under Permit 14

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- R1 , and is not other wise required by law; b. the use of DFGD prior to the date established by condition s B’

. 3

. b. ( 4 ) and G’3.b.(7), or c. achievement and maintenance of an Emission Rate below an applicable 30

- Day Rolling Average Emission Rate and 12

- Month Rolling Average Emission Rate for SO 2 ; provided that the Permittee is also in compliance for that calendar year with all emission limitations for SO 2 . Permittee shall ensure the reporting of the generation of such Super

- Compliant Allowances in accordance with condition T. 1. of operation permit 111003090

- P28. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266, par. 113, and Permit 14

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8 . Method for Surrender of SO 2 Allowances

(1) Permittee shall Surrender, or transfer to a non

- profit third

- party selected by the Permittee for Surrender, all SO 2 Allowances required to be Surrendered per Z. 6 .(1) by June 30, 2014. If any SO 2 Allowances required to be Surrendered under this Consent Decree are transferred directly to a non

- profit third

- party, the Permittee shall include a description of such transfer in the next report submitted to EPA pursuant to Section XII (Periodic Reportin g) of Consent Decree 13

- cv

- 266. Such report shall: (a) identify the non

- profit third

party recipient(s) of the SO 2 Allowances and list the serial numbers of the transferred SO 2 Allowances; and (b) include a certification by the third

- party recipient(s) sta ting that the recipient(s) will not sell, trade, or otherwise exchange any of the SO 2 Allowances andFID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 will not use any of the SO 2 Allowances to meet any obligation imposed by any environmental law. No later than the third periodic report due after the trans fer of any SO 2 Allowances, the Permittee shall include a statement that the third

- party recipient(s) Surrendered the SO2 Allowances for permanent Surrender to EPA in accordance with the provisions of Z.8.(2) within one year after the Permittee transferred the SO 2 Allowances to them. The Permittee shall not have complied with the SO 2 Allowance Surrender requirements of this Paragraph until all third

- party recipient(s) have actually Surrendered the transferred SO 2 Allowances to EPA. [ss. 285.65( 2) and (13), Wi s. Stats., Consent Decree 13

- cv - 266, par. 114, and Permit 14

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(2) For all SO 2 Allowances required to be Surrendered, Permittee shall ensure that an SO 2 Allowance transfer request form is first submitted to EPA’s Office of Air and Radiation’s Cl ean Air Markets Division directing the transfer of such SO 2 Allowances to the EPA Enforcement Surrender Account or to any other EPA account that EPA may direct in writing. Such SO 2 Allowance transfer requests may be made in an electronic manner, using the EPA’s Clean Air Act Markets Division Business System, or similar system provided by EPA. As part of submitting these transfer requests, each Permittee shall ensure that the transfer of its SO 2 Allowances are irrevocably authorized and that the source and l ocation of the SO 2 Allowances being Surrendered are identified

– by name of account and any applicable serial or other identification numbers and station names. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

-
cv - 266, par. 115, and Permit 14

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9 . Periodic Reporting

(1) Beginning on June 18 , 2013, the Permittee shall submit to EPA a periodic report, within 60 Days after the end of each half of the calendar year (January through June and July through December). The report shall include the following information: a. all information necessary to determine compliance during the reporting period with: all applicable 30

- Day Rolling Average Emission Rates for NO x , 30

- Day Rolling Average Emission Rates for SO 2 , and 24

- Hour Rolling Average Emission Rates for PM; all applicable 12

- Month Rolling Average Emission Rates for NO x and all12

- Month Rolling Average Emission Rates for SO 2 ; all applicable 3

- hour average PM Emission Rates; all applicable Unit

- Specific Annual Tonnage Caps; all applicable Plant

- Wide Annual Tonnage Caps; the obligation to monitor NO x , S O 2, and PM emissions; the obligation to optimize PM emission controls; and the obligation to Surrender NO x Allowances and SO 2 Allowances stemming from the Consent Decree 13

- cv

- 266 ; b. all peri ods of monitor Malfunction, maintenance, and/or repair as provided in B’ .1 .b .( 16 ) and G’1.b.(16) ; c. emission reporting and Allowance accounting information necessary to determine Super

- Compliant NO x and SO 2 Allowances that the Permittee claims to have gen erated in accordance with Z. 3 .(1) and Z. 7 .(1) through control of emissions beyond the req uirements stemming from the Consent Decree 13

- cv

- 266 ; d. schedule for the installation or upgrade and commencement of operation of new or upgraded pollution control de vices required by conditions stemming from the Consent Decree 13

- cv

- 266 , including the nature and cause of any actual or anticipated delays, and any steps taken by the Permittee to mitigate such delay; e. all affirmative defenses asserted pursuant to Z.1 0 during the period covered by the progress report; f. an identification of all periods when any pollution control device required conditions stemming from the Consent Decree 13

- cv

- 266 to Continuously Operate was not operating, the reason(s) for the equipment not operating, and the basis for each applicable Defendant's compliance or non

- compliance with the Continuous Operation requirements of this Consent Decree; and g. a summary of th e permittee 's actions implemented and expenditures (cumulative and in the current reporting period) made pursuant to implementation of the Environmental Mitigation Projects

. [ss. 285.65( 2) and (13), Wis. Stats., Consent Decree 13

- cv - 266, par. 155, and Permi t 14

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(2) In any periodic report submitted pursuant to this section, the permittee may incorporate by reference information previously submitted under its Title V permitting requirements, provided that the p ermittee attach the Title V Permit re port (or the pertinent portions of such report) and provide a specific reference to the provisions of the Title V Permit report that are responsive to the information required in the periodic report. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- c v - 266, par. 156, and Permit 14

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(3) In addition to the reports required in this section, if the permittee violates or deviates from any provision stemming from the Consent Decree 13

- cv

- 266 shall submit to WDNR a report on the violation or deviat ion within 15 Working Days after the permittee knew or should have kno wn of the event. In the report. The permittee shall explain the cause or causes of the violation or deviation and all measures taken or to be taken by the permittee to cure the reported violation or deviation or to prevent such violations or deviations in the future. If at any time the provisions stemming from the Consent Decree 13

- cv

- 266 are included in Title V Permits, consistent with the requirements for such inclusion in the Consent D ecree 13

- cv

- 266 , then the deviation reports required under applicable Title V regulations shall be deemed to satisfy all the requirements of this condition. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

-
cv - 266, par. 157, and Permit 14

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(4) The report shall be signed and certified by the Responsible Official. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv 266, par. 158, and Permit 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 (5) This reporting obligation shall not longer be required following termination of the Consent Decree 13

- cv

- 266. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 240 , and Permit 14

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1 0

. AFFIRMATIVE DEFENSE AS IT PERTAINS TO REQUIREMENTS STEMMING FROM CONSENT DECREE 13

- CV

- 266

(1) Affirmative Defense for Excess Emissions Occurring During Malfunctions. I f any of the Units 1 and 2 exceed an applicable 30

- Day Rolling Ave rage Emission Rate set forth in B’3.a.(2), G’3.a.(2) and G’4.a.(4) , due to Malfunction, the permittee, bearing the burden of proof by a p reponderance of the evidence, has an affirmative defense to a claim for stipulated penalties under the Consent Decree 13

- cv

- 266 , if the permittee has complied with the reporting requirements of Z . 1 0 . (6) and (7) and demonstrate all of the following: a. the excess emissions were caused by a sudden, unavoidable breakdown of technology, beyond the control of the permittee; b. the excess emissions ( 1 ) did not stem from any activity or event that could have been foreseen and avoided, or planned f or, and (2) could not have been avoided by better operation and maintenance practices in accordance with manufacturers’ specification s and good engineering and maintenance practices; c. to the maximum extent practicable, the air pollution control equi pment and processes were maintained and operated in a manner consistent with good practice for minimizing emissions in accordance with manufacturers’ specifications and good engineering and maintenance practices; d. repairs were made in an expeditious fashion when the permittee knew or should have known that an applicable 30

- Day Rolling Average Emission Rate was being or would be exceeded. Off

- shift labor and overtime must have been utilized, to the extent practicable, to ensure that such repairs were made as expeditiously as practicable; e. the amount and duration of the excess emissions (including any bypass) were minimized to the maximum extent practicable during periods of such emissions in accordance with manufacturers’ specifications and good engineering and maintenance practices; f. all possible steps were taken to minimize the impact of the excess emissions on ambient air quality; g. all emission monitoring systems were kept in operation if at all possible in accordance with manufa cturers’ specifications and good engineering and maintenance practices; h. Permittee’s actions in response to the excess emissions were documented by properly signed or otherwise validated, contemporaneous operating logs, or other relevant evidence; i. the excess emissions were not part of a recurring pattern indicative of inadequate design, operation, or maintenance; and j. Permittee properly and promptly notified the USEPA and WDNR

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 172, and Permit 14

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(2) To assert an affirmative defense for Malfunction under Z.1 0 .(1), the permittee shall submit all data demonstrating the actual emissions for the Day the Malfunction occurs and the 29

- Unit Operating Day period fo llowing the Day the Malfunction occurs. Permittee may, if they elect, submit emissions data for the same 30

- Unit Operating Day period but that excludes the excess emissions. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 173, and Permi t 14

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(3) Affirmative Defense for Excess Emissions Occurring During Startup and Shutdown . If any of the Units 1 and 2 exceed an applicable 30

- Day Rolling Average Emission Rate set forth in B’3.a.(2), G ’3.a.(2) and G’4.a.(4 ) , due to startup or shutdown, the permittee, bearing the burden of proof by a preponderance of the evidence, has an affirmative defense to a claim as to stipulated penalties under the Consen t Decree 13

- cv

- 226 , if the permit t ee has complied with the reporting requirements of Z

. 1 0 .(6) and (7) and demonstrate all of the following: a. the periods of excess emissions that occurred during startup and shutdown were short and infrequent and could not have bee n prevented through careful planning and design in accordance with manufactur ers’ specifications and good engineering and maintenance practices; b. the excess emissions were not part of a recurring pattern indicative of inadequate design, operation, or maintenance or wh ich could have been prevented by following manufacturers’ speci fications and recommendations and good engineering and maintenance practices; c. if the excess emissions were caused by a bypass (an intentional diversion of control equipment), then the bypass was unavo idable to prevent loss of life, personal injury, or s evere property damage; d. at all times, the facility was operated in a manner consistent with good engineering and maintenance practices and manufac turers’ specifications and recommendations for minimizing emissions; e. the frequency and duration of operat ion in startup or shutdown mode was minimized to the maximum extent practicable in accordance with manufacturers’ specifications and good engineering and maintenance practices; f. all possible steps were taken to minimize the impact of the excess emissions on ambient air quality in accordance with manufacturers’ specifications and good engineering and maintenance practices; g. All emissions monitoring systems were kept in operation if at all possible in accordance with manufacturers’ specification s and good engineering and maintenance practices; h. The permittee’s actions during the period of excess emissions were documented by properly signed or otherwise validated,FID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 contemporaneous operating logs or other relevant evidence; and i. The permittee properly and promptly notified the USEPA and WDNR

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 174, and Permit 14

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(4) To assert an affirmative defense for startup or shutdown under Z. 1 0 .(3), the permittee shall submit all data demonstrating the actual emissions for the Day the excess emissions from startup or shutdown occurs and the 29

- Unit Operating Day period following the Day the excess emissions from startup or shutdown occurs. Permittee may, if they elect, submit emissions data for the same 30

- Unit Operating Day period but that excludes the excess emissions. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 175, and Permit 14

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(5) If excess emissions occur due to a Malfunction during routine sta rtup and shutdown, then those instances shall be treated as other Malfunctions subject to Z .1 0 .(1) and (2). [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 176, and Permit 14

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(6) For an affirmative defense under Z .1 0 .(1) an d (3), permittee, bearing the burden of proof by a preponderance of the evidence, shall demonstrate, through submission of the data and information under th e reporting provisions of Z.10 , that all reasonable and practicable measures in accordance with good engineering and maintenance practices and within the permittee’s control were implemented to prevent the occurrence of the excess emissions. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 177, and Permit 14

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(7) Permittee shall provide notice to USEPA in writing of permittee’s intent to assert an affirmative defense for Malfunctio n, startup, or shutdown under Z .1 0 .(1) and (3) in permittee’s semi

- annual progress reports The notice shall contain: a. The identity of each stack or other emission point where the excess emissions occurred; b. The magnitude of the excess emissions expressed in lb /mmBtu and the operating data and calculations used in determining the magnitude of the excess emissions; c. The time and duration or expe cted duration of the excess emissions; d. The identity of the equipment causing the excess emissions; e. The nature and suspected cause of the excess emissions; f. The steps taken, if the excess emissions were the result of a Malfunction, to remedy the Mal function and the steps taken or planned to prevent the recurrence of the Malfunction; g. The steps that were or are being taken to limit the excess emissions; and h. If applicable, a list of the steps taken to comply with permit conditions governing Unit operation during periods of startup, shutdown, and/or Malfunction. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 178 , and Permit 14

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(8) A Malfunction, startup, or shutdown shall not constitute a Force Majeure Event unless the Malfunction, startup, or shutdown a lso meets the definition of a Force Majeure Event, as provided in Z .1 1 . (Force Majeure). [ss. 285.65(2) and (13),Wis. Stats., Cons ent Decree 13

- cv - 266, par. 179, and Permit 14

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(9) The affirmative defense provided herein is only an affirmative defense to the stipulated penalties for violations of the Consent Decree 13

- cv

- 226 , and not a defense to any civil or administrati ve action for injunctive relief. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 180, and Permit 14

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1 1 . FORCE MAJEURE AS IT PERTAINS TO REQUIREMENTS STEMMING FROM CONSENT DECREE 13

- CV

- 266

(1) For purposes of th e Consent Decree 13

- cv

- 266 , a “Force Majeure Event” shall mean an event that has been or will be caused by circumstances beyond the control of the permittee, their contractors, or any entity controlled by the permit t ee that delays or prevents the performance of any obligation under the Consent Decree 13

- cv

- 266 or otherwise causes a violation of any provision of the Consent Decree 13

- cv

- 266 despite the permittee’s best efforts to fulfill the obligation. “Best efforts to fulfill the obligation” include using best effo rts to anticipate any potential Force Majeure Event and to address the effects of any such event (a) as it is occurring and ( b) after it has occurred, such that the delay and/or violation are minimized to the greatest extent possible and the emissions duri ng such event are minimized to the greatest extent possible. Specific references to Force Majeure in other parts of the Consent Decree 13

- cv

- 266 do not restrict the ability of the permittee to assert Force Majeure pursuant to the process described in the C onsent Decree 13

- cv

- 266

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 181, and Permit 14

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(2) Notice of Force Majeure Events. If any event occurs or has occurred that may delay or prevent compliance with or otherwise ca use a violation of any obligation under Consent Decree 13

- cv

- 266 , then the permittee shall notify USEPA in writing as soon asFID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266
pra cticable, but in no event later than 14 Working Days following the date the permittee first knew, or by the exercise of due d iligence should have known, that the event caused or may cause such delay or violation. In this notice, the permittee shall referen ce this Paragraph 182 of the Consent Decree 13

- cv

- 266 and describe the anticipated length of time that the delay or violation may persist, the cause or causes of the Force Majeure Event, all measures taken or to be taken by the permittee to prevent or mini mize the delay or violation, the schedule by which the permittee proposes to implement those measures, and the permittee’s rationale for attrib uting the failure, delay, or violation to a Force Majeure Event. A copy of this Notice shall be sent electronical ly, as soon as practicable, to the USEPA . The permittee shall adopt all reasonable measures to avoid or minimize such failures, delays, or violations. The permittee shall be deemed to know of any circumstance which they, their contractors, or any entity co ntrolled by them, knew or should have known. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 182, and Permit 14

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(3) Failure to Give Notice. If the permittee fails to comply with t he notice requirements of this s ection, the USEPA may void such permittee’s claim for Force Majeure as to the specific event for which the permittee has failed to comply with such notice re quirement. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 183, and Permit 14

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(4) USEPA ’s Response. USEPA shall notify the permittee in writing regarding the claim of Force Majeure as soon as reasonably practicable. If the USEPA agrees that a delay in performance has been or will be caused by a Force Majeure Event, the USEPA and the permittee shall stipulate to an extension of deadline(s) for performance of the affected compliance requirement(s) by a perio d equal to the delay actually caused by the event, in which case the delay at issue shall be deemed not to be a violation o f the a ffected requirement(s) stemming from the Consent Decree 13

- cv

- 266 . In such circumstances, an appropriate modification shall be made Sec t ion XXIII (Modification) o f the Consent Decree 13

- cv

- 226

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 184, and Permit 14

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(5) Disagreement. If the USEPA does not agree with the permittee’s claim of Force Majeure, or if the USEPA and the permittee cannot agree on the length of the delay actually caused by the Force Majeure Event, the matte r shall b e resolved in accordance with Section XVI (Dispute Resolution) of the Consent Decree 13

- cv

- 226.

. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 185, and Permit 14

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(6) Burden of Proof. In any dispute regarding For ce Majeure, the permittee shall bear the burden of proving that any delay in performance, or any other violation of any requirement stemming from the Consent Decree 13

- cv

- 266 , was caused by or will be caused by a Force Majeure Event. The permit t ee shall al so bear the burden of proving that the permittee gave the notice required by this Section and the anticipated duration and extent of any failure, delay, or violation(s) attributable to a Force Majeure E vent. An extension of one compliance date may, but wil l not necessarily, result in an extension of a subsequent compliance date. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 186, and Permit 14

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(7) Events Excluded. Unanticipated or increased costs or expenses associated with the performance of the permittee’s obligations under the Consent Decree 13

- cv

- 266 shall not constitute a Force Majeure Event. [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 187, and Permit 14

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(8) Pote ntial Force Majeure Events. D epending upon the circumstances related to an event and the permittee’s response to such circumstances, the kinds of events listed below are among those that could qualify as Force Majeure Events within the meaning of this Section: construction, labor, or equipment delays; Malfunction of a Unit or emission control device; unanticipated coal supply or pollution control reagent delivery interruptions; acts of God; acts of war or terrorism; and orders by a government official, government agency, other regulato ry authority, or a regional transmission organization (e.g., the Midwest Independent System Operator), acting under and authorized by applicable law or tariff as accepted by the Federal Energy Regulatory Commission, that directs the pe rmittee to supply ele ctricity so long as such order is a response to a state

- wide or regional emergency or is necessary to preserve the reliability of the bulk power system. Depending upon the circumstances and the permittee’s response to such circumstances, failure of a permi tting authority or the Public Service Commission of Wisconsin to issue a necessary permit or order with sufficient time for t he permittee to achieve compliance with the Consent Decree 13

- cv

- 266 may constitute a Force Majeure Event where the failure of the authority to act is beyond the control of the permittee and the permittee has taken all steps available to them to obtain the necessary permit or order, including, but not limited to: submitting a complete permit application or request; responding to reque sts for additional information by the authority in a timely fashion; and accepting lawful permit terms and conditions after expeditiously exhaus ting any legal rights to appeal terms and conditions imposed by the authority. [ss. 285.65(2) and (13),Wis. Stat s., Consent Decree 13

- cv - 266, par. 188, and Permit 14

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(9) Extended Schedule. As part of the resolution of any matter of the Consent Decree 13

- cv

- 266 regarding a claim of Force Majeure, the USEPA and the permittee by agreement, may in appropria te circumstances extend or modify the schedule for completion of work and/or obligations under the Consent Decree 13

- cv

- 266 to account for the delay in the work and/or obligations that occurred as a result of any delay agreed to by the USEPA . The permitte e shall be liable for penalties for their failure thereafter to complete the work and/or obligations in accordance with the extended or modified schedule (provided that the permittee shall not be precluded f romFID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 asserting that a further Force Majeure Event has caused or may cause a delay in complying with the extended or modified schedule). [ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, par. 189, and Permit 14

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1 2 . DEFINITIONS

For purposes of conditions stemming from the Consent Decree 13

- cv

- 266 , the following definitions apply:

(1) A “12

- Month Rolling Average Emission Rate” shall be determined by calculating an arithmetic average of all hourly emission rates in lb/mmBtu for the current month and all hourly emission rates in lb/mmBtu for the previous 11 Unit Operating Months. A new 12

- Month Rolling Average Emission Rate shall be calculated for each new complete month. Each 12

- Month Rolling Average Emission Rate shall include all emissions of the applicable pollutant that occur during all periods of operation, including s tartup, shutdow n, and malfunction. For purposes of calculating a “12

- Month Rolling Average Emission Rate,” a “Unit Operating Month” means any month during which a Unit fires Fossil Fuel.

(2) A “30

- Day Rolling Average Emission Rate” for a Unit shall be determined by cal culating an arithmetic average of all hourly emission rates in lb/mmBtu for the current Unit Operating Day and all hourly emission rates in lb/mmBtu for the previous 29 U nit Operating Days. A new 30

- Day Rolling Average Emission Rate shall be calculated for each new Unit Operating Day. Each 30

- Day Rolling Average Emission Rate shall include all emissions of the applicable pollutant that occur during all periods within an y Unit Operating Day, including emissions from startup, shutdown, and malfunction.

(3) A “24

- Hour Rolling Average Emission Rate” shall be determined by calculating an arithmetic average of the current Unit Operating Hour emission rate in lb/mmBtu and the previous 23 Unit Operating Hours. A new 24

- Hour Rolling Average Emission Rate shall be c alculated for each new Unit Operating Hour. Each 24

- Hour Rolling Average Emission Rate for PM shall include all emissions that occur during all periods of operation, including startup, shutdown, and malfunction. “Unit Operating Hour” mea ns each clock hour during which any fuel is combusted at any time in the Unit.

(4 ) “Baghouse” means a full stream (fabric filter or membrane) particulate emissions control device on the main boilers.

( 5 ) “CEMS” or “Continuous Emission Monitoring System,” means, for obligat ions involving the monitoring of NO x , SO 2 , and PM emissions under the Consent Decree 13

- cv

- 266 , the devices defined in 40 C.F.R. § 72.2 and installed and maintained as required by 40 C.F.R. Part 60 and 40 C.F.R. Part 75.

(6 ) “Clean Air Act,” “CAA,” or “Act” means the federal Clean Air Act, 42 U.S.C. §§ 7401

- 7671q, and its implementing regulations.

( 7 ) “Columbia Generating Station” or “Columbia Station” or “Columbia” means solely for purposes of the Consent Decree 13

- cv

- 266

, the Columbia Energy Center consisting of two existing coal

- fired boilers designated as Unit 1 (512 MW) and Unit 2 (511 MW), which is located in Columbia County, Wisconsin. Columbia is operated by WPL and jointly owned by WPL, MGE, and WPSC.

(8 ) “Continu ously Operate” or “Continuous Operation” means that when a pollution control technology or combustion control is required to be continuously used at a Unit pursuant to the Consent Decree 13

- cv

- 266 (including, but not limited to, SCR, SNCR, DFGD, ESP, Bagho use, or Low NO x Combustion System), it shall be operated at all times such Unit is in operation (except as otherwise provided by Z.1 1. (Force Majeure)), consistent with the technological limitations, manufacturers’ specifications, good engineering and maintenance practices, and good air pollution control practices for minimizing emissions (as defined in 40 C. F.R. § 60.11(d)) for such equ ipment and the Unit.

(9 ) “Day” means calendar day unless otherwise specified in the Consent Decree 13

- cv

- 266

. (10) Dry Flue Gas Desulfurization” or “Dry FGD” or “DFGD” means an add

- on air pollution control system for the reduction of SO 2 located downstre am of a boiler that sprays an alkaline sorbent slurry in one or more absorber vessels designed to provide intimate contact between an alkaline slurry and the flue gas stream to react with and remove SO 2 from the exhaust stream forming a dry powder material which is captured in a downstream particulate control device.

(11 ) “Electrostatic Precipitator” or “ESP” means a device for removing particulate matter from combustion gases by imparting an electric charge to the particles and then attracting them to a m etal plate or screen of opposite charge before the combustion gases are exhausted to the atmosphere.

(12 ) “Emission Rate” for a given pollutant means the number of pounds of that pollutant emitted per million British thermal units of heat input (lb /mmBtu ) , measured in accordance with section I.Z. of this permit.FID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266

(13 ) “EPA” means the United States Environmental Protection Agency.

(1 4 ) “Fossil Fuel” means any hydrocarbon fuel, including but not limited to coal, metallurgical coke, petroleum coke, petroleum oi l, natural gas, or any other fuel made or derived from the foregoing.

(15 ) “Improved Unit” for SO 2 means a System Unit equipped w ith a DFGD or scheduled under this permit to be equipped with a DFGD. A Unit may be an Improved Unit for one pollutant without being an Improved Unit for another pollutant. Columbia Units 1 and 2 and Edgewater Unit 5 are Improved Units for SO 2 . (16 ) “lb /m mBtu ” means pound per million British thermal units.

(17 ) “Low NO x Combustion System” means burners and associated combustion air control equipment, including Overfire Air and Rich Reagent Injection (if installed at the Unit), which control mixing charact eristics of Fossil Fuel and oxygen, thus restraining the formation of NO x during combustion of fuel in the boiler.

(18 ) “Malfunction” means a failure to operate in a normal or usual manner by any air pollution control equipment, process equipmen t, or a pr ocess, which is sudden, infrequent, and not reasonably preventable. Failures that are caused in part by poor maintenance or careless operation are not Malfunctions.

(19 ) “NO x ” means oxides of nitrogen.

(20 ) “NO x Allowance” means an authorization to emit a specified amount of NO x that is allocated or issued under an emissions trading or marketable permit program of any kind established under the Clean Air Act or applicable State Implementation Plan; provide d, howe ver, that with respect to any such program that first applies to emissions occurring after December 31, 2011, a “NO x Allowance” shall include an allowance created and allocated under such program only for control periods starting on or after the fourth ann iversary of June 17, 2013.

(21 ) “Over

- Fire Air” or “OFA” means an in

- furnace staged combustion control to reduce NO x emissions.

(22 ) “Plant

- Wide Annual Tonnage Limitation” for a pollutant means the sum of the tons of the pollutant emitted from all the Un its at a Plant including, without limitations, all tons of that pollutant emitted during periods of startup, shutdown, and Malfunction , in the designated year.

(23 ) “PM” means total filterable particulate matter, measured in a ccordance with the provisions of the Consent Decree 13

- cv

- 266

. (24 ) “PM CEMS” or “PM Continuous Emission Monitoring System” means, for obligations involving the monitoring of PM emissions under the Consent Decree 13

- cv

- 266 , the equipment that samples, analyzes, measures, and provides, by readings taken at frequent intervals, an electronic and/or paper record of PM emissions.

(25 ) “PM Control Device” means any device, including an ESP or Baghouse, which reduces emissions of PM. Where a Unit is equipped with both an ESP and a B aghouse, the Baghouse, and not the ESP, shall be considered the PM Control Device for that Unit.

(26 ) “PM Emission Rate” means the number of pounds of PM emitted per million Btu of heat input (lb /mmBtu ).

(27 ) “SCR” or “Selective Catalytic Reduction” mean s a pollution control device for reducing NO x emissions through the use of selective catalytic reduction technology.

(28 ) “SO 2 ” means sulfur dioxide.

(29 ) “SO 2 Allowance” means an authorization to emit a specified amount of SO 2 that is allocated or issue d under an emissions trading or marketable permit program of any kind established under the Clean Air Act or applicable State Implementation Plan; provide d, however, that with respect to any such program that first applies to emissions occurring after Dece mber 31, 2011, a “SO 2 Allowance” shall include an allowance created and allocated under such program only for control periods starting on or after the fourth anniversary of June 17, 2013.

(30 ) “State” means the State of Wisconsin.

(31 ) “Super

- Compliant A llowance” means a NO x Allowance or SO 2 Allowance attributable to reduct ions beyond the requirements ofFID No. 111003090, Permit No. 14

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Z. Other Limitations and Conditions From Consent Decree 13

- cv - 266 the Consent Decree 13

- cv

- 266, as described in Z.3. and Z.7.

(32 ) “Surrender” or “Surrender of Allowances” means, for purposes of SO 2 or NO x Allowances, permanently surrendering allowances from the accounts administered by EPA and the State of Wisconsin, if applicable, so that such allowances can never be used th ereafter to meet any compliance requirements under the CAA, a state implementation plan, or this Consent Decree.

(33 ) “System” means collectiv ely, and solely for purposes of the Consent Decree 13

- cv

- 266 , the Columbia Generating Station (consisting of Units 1 & 2), the Edgewater Generating Station (consisting of Units 3, 4 & 5), and the Nelson Dewey Generating Station (consisting of Units 1 & 2).

(34 ) “Title V Permit” means the permit required of major sources pursuant to Subchapter V of the Act, 42 U.S.C. §§ 7661

- 7661e.

(3 5 ) “Unit” means collectively, the coal pulverizer, stationary e quipment that feeds coal to the boiler, the boiler that produces steam for the steam turbine, the steam turbine, the generator, the equipment necessary to operate the generator, steam turbine, and boiler, and all ancillary equipment, including pollution co ntrol equipment and systems necessary for production of electricity. An electric steam generating station may be comprised of one or more Units.

(36) “Unit Operating Day” means any Day on which a Unit fires Fossil Fuel.

(37) "Unit Operating Hour'' means each clock hour during which any fuel is com busted at any time in the Unit

(3 8 ) “ Unit Owner ” or “ Unit Owners ” means, with respect to any Unit addressed in the Consent Decree 13

- cv

- 266 , in singular form, WPL, MGE, or WPSC, each of which has ownership interests, in whole or in part, in the following Units addressed in this permi t: Nelson Dewey Units 1 & 2

- WPL; Columbia Units 1 & 2

- WPL, MGE, and WPSC; Edgewater Unit 3

- WPL; Edgewater Unit 4

- WPL and WPSC; and Edgewater Unit 5

– WPL, and in plural form, means all Unit Owners that have an Ownership Interest in the particular Unit or Units addressed.

(3 9 ) “Unit

- Specific Annual Tonnage Cap” for a Unit means the sum of the tons of the po llutant in question emitted from the Unit including, without limitations, all tons of that pollutant emitted during periods of operation, startup, shutdown, and Malfun ction, in the designated calendar year.

( 4 0 ) “Wisconsin SIP” means the Wisconsin State I mplementation Plan, and any amendments thereto, as approved by EPA pursuant to Section 110 of the Act, 42 U.S.C. § 7410.

(41 ) “Working Day” means a day other than a Saturday, Sunday, or Federal Holiday. In computing any period of time under the Consent Decree 13

- cv

- 266 , where the last day would fall on a Saturday, Sunday, or Federal Holiday, the period shall run until the close of business on the next Working Day.

(42 ) “WPL” means, Wisconsin Power and Light Company, the operator and the owner or co

- owne r of the Columbia Station, the Edgewater Station, and the Nelson Dewey Station.

[ss. 285.65(2) and (13),Wis. Stats., Consent Decree 13

- cv - 266, Section III, and Permit 14

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ZZZ. Conditions Applicable to the Entire Project

1. Construction Permit 14

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- 174 Transitional Language.

a. Limitations:

(1) Notifications. The permittee shall inform the Department of the following dates:

(a) The date construction commences on any new or modified emission unit(s) addressed in Permit 14

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- 174.

(b) The date each boiler (B21 and B22) becomes operational after the replacement of the 6 th pulverizer of each boiler.

(c) The date each boiler (B21 and B22) returns to service after the turbine upgrade and tie

- in is complete.

For the purposes of this permit, “operational” shall be defined as the first time of any process related air contaminant is emitted
into the ambient air.

[s. NR 439.03(1), Wis. Adm. Code (Permit 14

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- 174)]

(2) Construction Authorization Expiration. The Authorization to Construct, under Construction Permit 14

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- 174 expires 36 months after the date of issuance. Construction or modification and an initial operation period for equipment shakedown, test ing and Department evaluation of operation to assure conformity with the permit conditions is authorized for each emissions unit covered in this permit. Please note that the sources covered by this permit are required to meet all emission limits and cond itions contained in the permit at all times, including during the initial operation period. If 36

- month period is an insufficient time period for construction or modification, equipment shakedown, testing and Department evaluation of operation, the permit holder may request and the Department may approve in writing an extension of this permit. The conditions of the construction permit are permanent, unless revised, superseded or revoked.

[ss. 285.60(1)(a)2. and 285.66(1), Wis. Stats., and s. NR 406.12, Wis. Adm. Code (Permit 14

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- 174)]]

(3) Malfunction Prevention and Abatement Plan. The permittee shall update the facility’s Malfunction Prevention and Abatement Plan to include the operation and maintenance of the emission units and associated control equipment covered under this construction permit within 60 days of the date eac h unit becomes operational, per conditions ZZZ.1.(b) or (c), whichever is later.

[s. NR 439.11, Wis. Adm. Code (Permit 14

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- 174)]

(4) Emission Stack Testing. The permittee shall conduct compliance emission stack tests as required in the construction perm it.

(a) If compliance emission test(s) cannot be conducted within the time frames specified, the permit holder may request and the Department may approve, in writing, an extension of time to conduct the test(s).

(b) All testing shall be performed with the emissions unit operating at capacity or as close to capacity as practicable and in accordance with approved procedures. If operation at capacity is not feasible, the source shall operate at a capacity level w hich is approved by the Department in writing.

( c) The Department shall be informed at least 20 working days prior to any stack testing so a Department representative can witne ss the testing. At the time of notification, a compliance emission test plan shall also be submitted to the Department for appro val. When approved in writing, an equivalent test method may be substituted for the reference test method.FID No. 111003090, Permit No. 14

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ZZZ. Conditions Applicable to the Entire Project [s. NR 439.07, Wis. Adm. Code (Permit 14

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- 174)]

(5) Compliance Reports/Records. The permittee shall submit periodic monitoring reports and certif ication of compliance for any emission unit covered under this construction permit for the period when that unit becomes operational. Note that compliance monitoring and reporting requirements and limitations of any unmodified units remain in effect.

(6) C omplete Operation Permit Application. The permittee shall submit a complete operation permit application for the project covered under construction permit 14

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- 174 within 6 months following initial operation per ZZZ.1.(b) or (c), whichever is
later.

[s. NR 407.04(1)(b), Wis. Adm. Code (Permit 14

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- 174)]



### (7) Phased/Staged Construction.

Phased/Staged construction refers to construction/modification of an operation that occurs in separate/distinct phases or stages. Separate notification of commencing const ruction of each stage/phase of construction shall be submitted to the Department. Applicable limitations for each stage/phase of the operation do not apply until the source has [commenced/initially operated/completed] construction/modification of the stage /phase.

For phased construction/modification subject to PSD review, that commences 18 months or more following initial permit issuance, the permittee shall submit information for reevaluating BACT to the Department at least 18 months prior to the commencem ent of construction/modification. The facility shall submit a permit revision application to incorporate the new PSD BACT, if necessary to update the PSD BACT.

[ss. 285.60(1)(a)2 and 285.66(1), Wis. Stats.; s. NR 405.08(4), s. NR 406.12, Wis. Adm. Code (Pe rmit 14

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- 174 )]
b. Compliance Demonstration: c. Test Methods, Recordkeeping, and Monitoring:
(1) Notifications. The permittee shall submit to the Department of Natural Resources, South Central Region Air Program, Reedsburg Area Office in writing, within 15 days of the date the event, the following:

(a) The date construction commences on the any new or modified emission unit(s) addressed in Permit 14

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- 174.

(b) The date each boiler becomes operational following the replacement of its 6 th pulverize r.

(c) The date boiler returns to service following the tie

- in of the turbine following upgrade.

[s. NR 439.04(1)(d), Wis. Adm. Code (Permit 14

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(2) Malfunction Prevention and Abatement Plan. The owner or operator shall update the facility’s Malfunction Prevention
and Abatement Plan to include the emission units and associated control equipment covered under this construction None Applicable.FID No. 111003090, Permit No. 14

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ZZZ. Conditions Applicable to the Entire Project permit within 60 days of the date each unit becomes operational, per condition ZZZ.1.(b) or (c) whichever is later.

[s. NR 439.11(1), Wis. Adm. Code (Permit 14

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(3) Emission Stack Testing. Upon completion of any required compliance emission tests, the permittee shall submit to the Department of Natural Resources, South Central Region Air Program, Reedsburg Area Office two copies of the report on the tests for evaluation within 60 days of the date the tests were completed.

[s. NR 439.04(1)(d), Wis. Adm. Code (Permit 14

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(4) Submittal of Compliance Testing Information and other updates. The permittee shall submit to the department any updates of the permit application. Updates are required if any changes that occur which are not specified or described in the plans and specifications dated September 23, 2014 through November 25, 2014. The updates shall be made within 60 days of the date of the change. Other information to be submitted shall include the notification requirements
and stack tests results

[s. NR 439.04(1)(d), Wis. Adm. Code (Permit 14

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(5) All submittals described in this permit shall be made in writing and include the name of the facility, the facility’s address, the construction permit number and a description of the affected emission unit(s).

[s. NR 439.04(1)(d), Wis. Adm. Code (Permi t 14

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a. Conditions:

(1) The quarterly excess e mission reports required in this permit shall: (a) Be Submitted to the Department of Natural Resources, South Central Air Program, Box 281, Reedsburg, WI 53959, phone (608) 524

- 3896, within 30 days following the end of each calendar quarter. (b) Contain the following information: (i) The magnitude of any excess emissions, and conversion factor or factors used; (ii) The date and starting and ending times or duration of each period of excess emissions; (iii) The periods of excess emissions that occur during startups, shutdowns, sootblowing, control equipment malfunction, process malfunction, fuel problems, other known causes or for unknown caus es; (iv) The cause of any malfunction and the measures taken to reduce excess emission; (v) The date and starting and ending times of any period during which the monitoring system was inoperative for and reason or cau ses, including monitor malfunction or c alibration, except zero and span checks. The report shall identify the repairs or adjustments made toFID No. 111003090, Permit No. 14

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ZZZ. Conditions Applicable to the Entire Project the system; (vi) The date and starting and ending time of an period during which the process being monitored was inoperative; (vii) When no period of exc ess emission occurred during the quarter and the monitoring system had no period of downtime, an excess emission report shall be filed stating such information. [ss. NR 439.09(10), NR 439.09(10)(a) and Permit 14

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3. Source Obligation

(1) The per mittee shall monitor the emissions of any regulated NSR air contaminant , excluding nitrogen oxides, carbon mono xide and greenhouse gas 20

, that could increase as a result of the project covered under this construction permit 14

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- 174 and that is emitted by any emissions unit covered under this construction permit. The permittee shall also calculate and maintain a record of the a nnual emissions, in tons per year on a calendar year basis, for a period of 5 years following initial operation of the boilers B21 and B22 after the boiler modification project. [s. NR 405.16(3)(d), Wis. Adm. Code, and Permit 14

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(2) The permittee shall submit a report to the department within 60 days after the end of each year during which records must be generated under (1) setting out the unit’s annual emissions during the calendar year that preceded submission of the report. [s. NR 405.16(3)(e), Wis. Adm. Code, and Permit 14

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(3) The owner or operator of the source shall make the information required to be documented and maintained pursuant to I.ZZZ .8.a. (1) and (2) available for inspection, upon request by the department or the general public. [s. NR 405.16(4), Wis. Adm. Code, and Permit 14

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20 The permittee has proposed a nitrogen oxide emission limit for each boiler as the future potential to em it. The project is subject to PSD BACT for carbon monoxide and greenhouse gas.