### Domenico Mastrangelo January 14, 2010 Completeness Checklist June 18, 2009 SIP Submittal for the State of Colora do SIP to Meet Requirements of CAA Section 110(a)(2)(D)(i)(I) - Interstate Transport Regarding 1997 8-hour Ozone NAAQS

40 CFR 51 APPENDIX V CRITERIA SUBMITTAL ITEM

2.1 Administrative Materials

(a) A formal letter of submittal from the Governor or his designee, requesting EPA approval of the plan or revision thereof (hereafter "the plan"). Letter dated June 18, 2009

(b) Evidence that the State has adopted the plan in the State code or body of regulations; or issued the permit, order, consent agreement (hereafter "document") in final form. That evidence shall include the date of adoption or final issuance as well as the effective date of the plan, if different from the adoption/issuance date. Notice of Final Adoption, December 30, 2008; Effective January 30, 2009. Colorado Air Quality Control Commission, “Interstate Air Pollutant Transport State Implementation Plan.”

(c) Evidence that the State has the necessary legal authority under State law to adopt and implement the plan. Statutory Authority; C.R.S. sections 25-7-105 through 25-7-110, 25-7-114, 25-7-119, 25-7-132.

(d) A copy of the actual regulation, or document submitted for approval and incorporation by reference into the plan, including indication of the changes made to the existing approved plan, where applicable. The submittal shall be a copy of the official State regulation/document, signed, stamped, and dated by the appropriate State official indicating that it is fully enforceable by the State. The effective date of the regulation/document shall, whenever possible, be indicated

in the document itself. State of Colorado Implementation Plan to Meet the Requirements of Clean Air Act Section 110(a)(2)(D)(i)(I). Interstate Transport Regarding the 1997 8-Hour Ozone Standard. Dated December 9, 2008, Effective January 30, 2009.

(e) Evidence that the State followed all of the procedural requirements of the State's laws and constitution in conducting and completing the adoption/issuance of the plan. Submitted to Colorado Air Quality Control Commission (AQCC) for approval Agenda Item Control Sheet as: “Ozone Reporting and Permitting Elements.” Notice of Final Adoption dated December 30, 2008, Douglas Lempke, Admin. AQCC.

(f) Evidence that public notice was given of the proposed change consistent with procedures approved by EPA, including the date of publication of such notice. Copy of November 21, 2008 Publisher’s Affidavit (Denver Newspaper Agency), and copy of the published text announcing the December 11 & 12 public hearings for the Ozone SIP, which included the Interstate Transport SIP revision satisfying the requirements of Clean Air Act Section 110(a)(2)(D)(i)(I) for the 1997 Ozone standard. Note: The AQCC denied a “Motion to bifurcate Interstate Transport SIP Revision,” filed by the Colorado Air Pollution Control Division, from the

Ozone SIP.

(g) Certification that public hearings(s) were held in accordance with the information provided in the public notice and the State's laws and constitution, if applicable. Air Quality Control Commission Notice of Meeting and Agenda for December 11-13 & 19, 2008.

(h) Compilation of public comments and the State's response

thereto. None2.2 Technical Support

(a) Identification of all regulated pollutants affected by the plan. Yes

(b) Identification of the locations of affected sources including the EPA attainment/nonattainment designation of the locations and the status of the attainment plan for the affected areas(s). Yes, as applicable. The Denver Metropolitan Area/North Front Range has been designated nonattainment for the 1997 8-hour ozone standard, effective November 20, 2007. The State of Colorado submitted an attainment plan for 8-hour

ozone in June 2009. Colorado is in attainment for the

1997 and 2006 24-hour PM2.5 standards.

(c) Quantification of the changes in plan allowable emissions from the affected sources; estimates of changes in current

actual emission from affected s ources or, where appropriate, quantification of changes in actual emission from affected sources through calculations of the differences between certain baseline levels and allowable emissions anticipated as a result

of the revision. NA

(d) The State's demonstration that the national ambient air quality standards, prevention of significant deterioration increments, reasonable further progress demonstration, and visibility, as applicable, are prot ected if the plan is approved and implemented. NA

(e) Modeling information required to support the proposed revision, including input data, output data, models used, justification of model selections, ambient monitoring data used, meteorological data used, justification for use of offsite data (where used), modes of models used, assumptions, and other information relevant to the determination of adequacy of the modeling analysis. NA. See the August 15, 2006 EPA guidance memorandum: "Guidance for State Implementation Plan (SIP) Submissions to Meet Current Outstanding Obligations Under Section 110(a)(2)(D)(i) for the 8-

Hour Ozone and PM 2.5 National Ambient Air Quality

Standards.

(f) Evidence, where necessary, that emission limitations are based on continuous emission reduction technology. NA

(g) Evidence that the plan contains emission limitations, work practice standards and record keeping/reporting requirements, where necessary, to ensure emission levels. NA

(h) Compliance/enforcement strategies, including how compliance will be determined in practice. NA

(i) Special economic and technological justifications required by any applicable EPA policies. NA