# • **Minnesota Pollution**  **Control Agency**  **520LafayetteRoad North**  **I St.** **Paul, Minnesota**  **55155-4194 I**  **651-296-6300 800·657** 

**- 3864**  **I 651-282-5332**  **T1Y I**  **www.pca.state.mn.us I**  **Equal Opportunity** **E m** **p l** **oyer February**  **3, 2015** 

**Mr. George**  **T. Czerniak,**  **Division Director**  **Air and**  **Radiation Division**  **U.S. Environmental**  **Protection Agency,**  **Region 5**  **77 West**  **Jackson Boulevard**  **Mail Code:**  **A-18J Chicago, Illinois 60604**  **Dear Mr.**  **Czerniak :**  **At the**  **request of** **the U.S.**  **Environmental Protection**  **Agency (E** **PA), the**  **Minnesota Pollution**  **Control Agency**  **(M PCA)**  **is submitting**  **this letter**  **to provide**  **additional detail**  **relating to**  **the information**  **provided in**  **our June**  **12, 2014,**  **Infrastructure State**  **Implementation Plan**  **(SIP) submission**  **for the**  **2008 ozone,**  **2010 nitrogen**  **dioxide (N** **02) and**  **sulfur dioxide**  **(S02), and**  **2012 particulate**  **matter of**  **less than**  **2.5 micrometers**  **in diameter** **(P M2.5)** **National Ambient**  **Air Quality**  **Standards (N** **AAQS), especially**  **with regards**  **to the requirements**  **of Section**  **110(a)(2)(A): Emission**  **Limits and**  **Other Control**  **Measures. Minn.**  **Stat. ch.**  **116 gives**  **the MPCA**  **the authority**  **to develop**  **rules and**  **regulations and**  **also allows**  **the MPCA**  **to implement**  **current rules**  **and apply**  **existing controls**  **and emissions**  **limits to**  **help maintain**  **new standards.**  **Multi-pollutant limits**  **Minnesota has** **several methods**  **of limiting**  **emissions from**  **facilities in**  **the state.**  **The primary**  **way in**  **which emissions**  **of nitrogen**  **oxides (N** **Ox) and**  **volatile organic**  **compounds (VOCs)**  **(ozone precursors),**  **N02, S021**  **and P M** **2.5 are**  **limited in**  **Minnesota is**  **through limits**  **held in**  **Part 70**  **permits. Minnesota**  **also has**  **rules that**  **limit emissions**  **at facilities**  **around the**  **state. Minn.**  **R. 7009.0020**  **states "N** **o person**  **shall emit**  **any pollutant**  **in such**  **an amount**  **or in**  **such a**  **manner as**  **to cause**  **or contribute**  **to a**  **violation of**  **any ambient**  **air quality**  **standard beyond**  **such person's**  **property line** **... "**  **Minn. R.**  **7009.0080 sets** **the State**  **Ambient Air**  **Quality Standards.**  **These standards**  **are currently**  **being updated**  **to reflect**  **the current**  **NAAQS as**  **part of** **the MPCA's**  **Omnibus Air**  **Rulemaking. In**  **the meantime, however,**  **the NAAQS**  **continue to**  **be applicable**  **requirements. Subsequent**  **to Minnesota's** **June 12,**  **2014, Infrastructure**  **SIP submittal,**  **the EPA**  **finalized efforts**  **to begin**  **implementation of** **the Cross-State**  **Air Pollution Rule**  **(CSAP R),**  **which is,**  **as of** **January 1,**  **2015, currently**  **in effect.**  **CSAP R,**  **implemented by**  **EPA as**  **a Federal Implementation**  **Plan, is**  **intended to**  **address 110(a)(2)(D)(i)(l)**  **"good neighbor"**  **obligations for**  **eastern states**  **for the**  **1997 ozone**  **and PM** **2.5 and**  **2005 PM** **2.5 NAAQS.**  **Minnesota is**  **subject to**  **CSAP R's**  **annual S02**  **and NOx**  **programs to**  **address downwind**  **PM2**

**. s**  **attainment and**  **maintenance obligations.**  **CS APR**  **is expected**  **to result**  **in NOx**  **and S02**  **emissions reductions**  **from subject**  **power plants,**  **which will**  **further assist**  **Minnesota's efforts**  **to attain**  **and maintain**  **the 2008**  **ozone, 2010**  **N02 and**  **S02, and**  **2012 PM** **2.5 NAAQS.** **Mr. George**  **T. Czerniak** 

**Page 2**  **February 3,**  **2015**

**These rules**  **and permits**  **combine to**  **help protect**  **al l**  **of the**  **NAAQS addressed**  **in Minnesota's**  **June 12,**  **2014, Infrastructure**  **SIP submittal.**  **Pollutant-specific limits**  **Minnesota also**  **has pol** **lutant-specific methods**  **of limiting**  **emissions. Most**  **of the**  **state's pollutant specific**  **limits are**  **for S02**  **and particulate**  **matter (PM** **) because**  **the state**  **previous ly**  **had nonattainment**  **areas for**  **those pol** **lutants. As**  **part of** **the state's**  **efforts to**  **come into**  **attainment with**  **the NAAQS**  **for SOz**  **and P M** **, limits**  **on emissions**  **were placed**  **in the**  **state's rules**  **and permits.** **The state**  **has fewer**  **pol lutant**  **specific limits**  **for VOCs**  **and NOx**  **because Minnesota**  **has never**  **been designated**  **nonattainment for**  **NOz or**  **ozone. The**  **following is**  **a summary**  **of the**  **polluta nt-specific**  **limits in**  **Minnesota that**  **help ensure**  **the continued**  **attainment of** **the NAAQS**  **for N02,**  **S02, ozone,**  **and PM** **25• Sulfur** 

### dioxide **Minnesota contains.** **areas under**  **maintenance pl** **ans for**  **S02. In**  **order to**  **ensure continued**  **attainment of**  **the NAAQS,**  **Minnesota's SIP**  **includes permits and**  **administrative orders**  **with S02**  **emission limits for**  **faci lities**  **in the**  **state's S02**  **maintenance areas.**  **The enforceable**  **documents with**  **permanent SIP**  **conditions are**  **(status as**  **of January**  **2015): Source**  **Permit Number**  **or State**  **EPA Approval**  **Date &**  **FR Order**  **Effective Date**  **Citation Associated**  **Milk Producers**  **10900010-001 05/05/97**  **03 /09/01;**  **66 FR**  **14087 1148-83-0T-1**  **Franklin Heating**  **Station [10900019]**  **06/19/98 03** **/09/01; 66**  **FR 14087**  **IBM 10900006-001**  **06/03/98 03** **/09/01; 66**  **FR 14087**  **Olmsted Waste-to-** **Energy Facility**  **10900005-002 08/23/07**  **04/21/09; 74**  **FR 18138**  **Rochester Public**  **Uti lities-**  **10900020-003 02/07/08**  **04/24/09; 74**  **FR 18638**  **Cascade Creek Rochester**  **Public Utilities-** **Silver 10900011-004**  **09/07/07 12/02/09;**  **74 FR**  **63066 Lake**  **Saint Mary's**  **Hospital 10900008-002**  **10/14/09 08/12/10;**  **75 FR 48864**  **ELT Minneapolis,**  **River Road**  **Industrial 03** **00245-001 04/08/10**  **08/03/10; 75**  **FR 45480**  **(U nited**  **Defense, LP)**  **Federal Cartridge**  **Company 00300156-003**  **12/28/0 7**  **04/04/09; 74**  **FR 18634**  **05/27/92 04/14/94;**  **59 FR 17703**  **GA F**  **Building Materials**  **Administrative Order 09/18/97**  **02/08/99; 64**  **FR 5936**  **Hoffman Enclosures**  **00300155-001 01/31/08**  **04/04/09; 74**  **FR 18634** **Mr. George**  **T. Czerniak** 

**Page 3**  **February 3,**  **2015**

**Source Minneapolis**  **Energy Center,**  **Inc.** 

### (**NR G**  **Energy Center**  **Mpls**

### ) **Xcel Energy-**  **Inver Hills**  **Plant Xcel**  **Energy- Riverside**  **Plant Flint**  **Hills Resources,**  **L.P. Northern**  **Tier Energy**  

### (**Marathon Petroleum** 

### ) **Permit Number**  **or Order**  **Administrative Order**  **03700015-003 05300015-001**  **Administrative Order 16300003-016**  **State EPA**  **Approval Date**  **& FR**  **Effective Date Citation**  **05/27/92 04/14/94;**  **59 FR** **17706 10/27/06**  **12/05/07; 72**  **FR 68508**  **05/11/99 02/26/02;**  **67 FR**  **8727 08/29/11**  **05/15/13; 78**  **FR 28501**  **09/11/09 12/28/10;**  **75 FR** **81471**

**In addition**  **to the**  **S02 SIP**  **conditions, the**  **administrative order**  **issued to**  **Xcel Energy-**  **Northern States**  **Power Company,**  **Sherburne County**  **Generating Station**  **as part**  **of Minnesota's**  **Regional Haze**  **SIP includes**  **S02 limits.**  **Other state**  **rules incorporated**  **into the**  **SIP that**  **set S02** **emission limits**  **include:**

**• Minn.**  **R. 7011.0500**  **to 7011.0553**  **Indirect Heating**  **Fossil Fuel**  **Burning Equipment**  **• Minn.**  **R. 7011.0600**  **to 7011.0625**  **Direct Heating**  **Fossil Fuel**  **Burning Equipment**  **• Minn.**  **R. 7011.1400**  **to 7011.1430 Petroleum**  **Refineries •**  **Minn. R.**  **7011.1600 to**  **7011.1605 Sulfuric**  **Acid Plants**  **• Minn.**  **R. 7011.2300**  **Stationary Internal**  **Combustion Engines**  **Additionally, Minn.**  **R. 7011.0900**  **to 7011.0909**  **for hot**  **mix asphalt**  **plants includes** **fuel sulfur**  **content restrictions**  **aimed at**  **limiting S02**  **emissions. All**  **of these**  **rules and**  **enforceable documents**  **help ensure**  **the protection**  **of the**  **2010 S02**  **NAAQS.** 

### Particulate **matter Limits**  **and controls**  **intended to**  **limit emissions**  **of PM** **generally or**  **particulate matter**  **of less**  **than 10**  **micrometers in**  **diameter** 

### (**PM10**

### ) **can also**  **be expected**  **to control**  **PM 2.5,**  **since PM** **2.5 is**  **a subset**  **of these**  **other two categories. Control**  **technologies intended**  **to limit**  **emissions of** **filterable PM** **10 will**  **also reduce**  **emissions of**  **filterable PM** **2.5 and**  **help to**  **protect the**  **PM 2.s**  **NAAQS. Therefore,**  **the following**  **section contains**  **controls for**  **PM ,**  **PM 10,**  **and P M** **2 .** **5• Mr.**  **George T.**  **Czerniak**

**Page 4**  **February 3,**  **2015**

**Minnesota contains**  **areas under**  **maintenance plans**  **for P M** **. In**  **order to**  **ensure continued**  **attainment of**  **the NAAQS, Minnesota's**  **SIP includes permits**  **and administrative**  **orders with**  **PM emission**  **limits for**  **facilities in**  **the state's**  **PM maintenance**  **areas. The**  **enforceable documents**  **with permanent**  **SIP conditions**  **are (status**  **as of** **January 2015):**  **Source Permit**  **Number or**  **State EPA** **Approval Date**  **& FR**  **Order Effective**  **Date Citation**  **Rochester Public**  **Utilities- Silver**  **10900011-004 09/07/07**  **12/02/09; 74**  **FR 63066 Lake**  **Aggregate Industries,**  **Yard A**  **12300007-002 04/23/09**  **05/10/10; 75**  **FR 11461 (formerly** **J.L. Shiely)**  **Commercial Asphalt**  **Plant 905**  **1230034 7-002**  **09/10/99 07**  **/12/00; 65**  **FR 42861 Gerdau**  **Ameristeel 12300055-004**  **08/28/08 05/20/09;**  **74 FR** **23632 Great**  **Lakes Coal**  **& Dock Co**  **08/25/92 02/15/94;**  **59 FR** **7218 {Great**  **Western Dock**  **and Administrative**  **Order Terminal)**  **12/21/94 06/13/95;**  **60 FR** **31088 01/26/93**  **02/15/94; 59**  **FR 7218**  **Harvest States**  **Cooperatives Administrative**  **Order 12/21/94**  **06/13/95; 60**  **FR 31088**  **Lafarge North**  **America, Childs**  **12300 391-002**  **12/17/06 9/11/07;**  **72 FR** **51713 Road**  **Terminal Lafarge**  **Corp., Red**  **Rock 12300353-002**  **05/07/02 08/19/04;**  **68 FR**  **51371 Metropolitan**  **Council, Metro**  **12300053-006 02/25/10**  **12/16/10; 75**  **FR 78602**  **Wastewater Treatment**  **Plant St.**  **Paul Terminals**  **Administrative Order 02/02/96**  **07 /22/97;**  **62 FR**  **39120 Red**  **Rock Road**  **State rules**  **that limit**  **emissions of**  **PM and**  **help protect** **the 2012**  **PM 2.5** **NAAQS include:** 

**• Minn.**  **R. 7011.0150**  **Preventing Particulate**  **Matter from**  **Becoming Airborne**  **• Minn.**  **R. 7011.0500**  **to 7011.0553**  **Indirect Heating**  **Fossil Fuel**  **Burning Equipment**  **• Minn.**  **R. 7011.0600**  **to 7011.0625**  **Direct Heating**  **Fossil Fuel**  **Burning Equipment**  **• Minn.**  **R. 7011.0710**  **to 7011.0735**  **Industrial Process**  **Equipment •**  **Minn. R.** **7011.0850 to**  **7011.0859 Concrete**  **Manufacturing Plant**  **Standards of**  **Performance •**  **Minn. R.**  **7011.0900 to**  **7011.0922 Hot**  **Mix Asphalt**  **Plants •**  **Minn. R.**  **7011.1000 to**  **7011.1015 Bulk**  **Agricultural Commodity**  **Facilities •**  **Minn. R.**  **7011.1100 to**  **7011.1125 Coal**  **Handling Facilities**  **• Minn.**  **R. 7011.1300**  **to 7011.1325**  **Incinerators •**  **Minn. R.**  **7011.1400 to**  **7011.1430 Petroleum**  **Refineries Mr.**  **George T.**  **Czerniak**

**Page 5**  **February 3,**  **2015**



### Volatile **organic compounds**  **(ozone pre** **cursors) Minnesota's**  **state rules**  **incorporate by**  **reference the**  **National Emission** **Standards for**  **Hazardous Air**  **Pollutants, which**  **limit VOC**  **emissions. The**  **primary method**  **by which**  **Minnesota limits**  **VOC emissions**  **is through**  **the issuance**  **of Part**  **70 permits. These limits**  **help protect**  **the 2008**  **ozone NAAQS.**  

### Nitrogen**oxides (ozone** **precursors) and** **nitrogen dioxide**  **State rules**  **that limit**  **NOx and**  **N02 emissions**  **and help**  **protect the**  **2008 ozone**  **and 2010**  **N02 NAAQS,**  **respectively, include:** 

**• Minn.**  **R. 7011.0500**  **to 7011.0553 Indirect**  **Heating Fossil**  **Fuel Burning**  **Equipment •**  **Minn. R.**  **7011.1700 to**  **7011.1705 Nitric**  **Acid Plants**  **Additionally, the**  **administrative order**  **issued to** **Xcel Energy-**  **Northern States**  **Power Company,**  **Sherburne County Generating Station as**  **part of**  **Minnesota's Regional**  **Haze SIP**  **Includes NOx**  **limits. Conclusion**  **The MPCA's**  **authority under**  **Minn. Stat.**  **ch. 116**  **to create**  **new rules**  **and implement**  **existing emission**  **limits and**  **controls allows Minnesota to**  **meet the**  **requirements of**  **110(a)(2)(A): Emission**  **Limits and**  **Other Control**  **Measures. The**  **MPCA hopes**  **that this**  **letter will**  **provide the**  **desired additional**  **detail to**  **Minnesota's Infrastructure**  **SIP submittal**  **of June**  **12, 2014,**  **with regards**  **to the**  **requirements of**  **110(a){2)(A). Through**  **the MPCA's**  **discussions with**  **your office,**  **Minnesota believes**  **that the** **June 12,**  **2014, Infrastructure**  **SIP submittal**  **meets the**  **requirements described**  **in "Guidance**  **on Infrastructure**  **State Implementation**  **Plan (SIP)**  **Elements under**  **Clean Air**  **Act Sections**  **110(a)(1) and**  **110(a)(2)," issued**  **on September**  **13, 2013.**  **Please contact**  **Amanda Jarrett**  **Smith of** **the MPCA's**  **staff at**  **651-757-2486 or**  **amanda.smith@state.mn.us if you**  **have any**  **questions regarding Minnesota's SIP.** 

**Assistant Commissioner**  **for Air**  **Policy JDT/AJS:Id**