Technical Documents & Reports

Annual Air Quality Data Reports

• 2011 Annual Data - Report [2011AnnualDataReport.pdf] (6,602KB) (October 2012)
• 2010 Annual Data - Report [2010AnnualDataReport.pdf] (5,022KB) (October 2011)
• 2009 Annual Data - Report [2009AnnualDataReport.pdf] (11,013KB) (January 2011)
• 2008 Annual Data - Report [2008AnnualDataReport.pdf] (3,937KB) (October 2009)
• 2007 Annual Data - Report [2007AnnualDataReport.pdf] (3,061KB) (October 2008)
• 2006 Annual Data - Report [2006AnnualDataReport.pdf] (4,739KB) (September 2007)
• 2005 Annual Data - Report [2005AnnualDataReport.pdf] (3,768KB) (October 2006)
• 2004 Annual Data - Report [2004AnnualDataReport.pdf] (2,580KB) (September 2005)
• 2003 Annual Data - Report [2003AnnualDataReport.pdf] (2,801KB) (November 2004)
• 2002 Annual Data - Report [2002AnnualDataReport.pdf] (3,203KB) (October 2003)
• 2001 Annual Data - Report [2001AnnualDataReport.pdf] (2,941KB) (November 2002)
• 2000 Annual Data - Report [2000AnnualDataReport.pdf] (1,233KB) (December 2012)

Annual Network Plans

• 2013 Network Monitoring Plan [Colorado 2013 Network Plan.pdf] (2,053KB) (May 2013)
  NEW: May 24, 2013, Network Monitoring Plan is currently open for public comment through COB on June 24, 2016 cdphe.commentsapcd@state.co.us
• 2012 Network Monitoring Plan [2012AnnualNetworkPlan.pdf] (5,867KB) (June 2012)
• 2011 Network Monitoring Plan [2011AnnualNetworkPlan.pdf] (1,540KB) (June 2011)
• 2010 Network Monitoring Plan [2010AnnualNetworkPlan.pdf] (1,987KB) (June 2010)
• 2009 Network Monitoring Plan [2009AnnualNetworkPlan.pdf] (1,812KB) (June 2009)
• 2008 Network Monitoring Plan [2008AnnualNetworkPlan.pdf] (1,644KB) (June 2008)
• 2007 Annual Network Plan [2007AnnualNetworkPlan.pdf] (1,490KB) (June 2007)

5-Year Network Assessments

• 2010 5-Year Monitoring Network Assessment [2010_CO_5yr_Network_Assessment.pdf] (9,250KB) (June 2010)

Network Modifications

• No network modifications are currently open for public comment.

BART Modeling Documents and Files

• See Colorado's main regional haze website: [http://www.cdphe.state.co.us/ap/regionalhaze.html]
• Supplemental BART Analysis CALPUFF Protocol for Class I Federal Area Visibility Improvement Modeling (DRAFT) [Draft-ColoradoSupplementalBARTAnalysisCALPUFFProtocol-19August2010.pdf] (6,384KB) (August 2010)
• Modeling guidance for BART 5-step process. [Colorado-BART-Analysis-Modeling-Guidance.pdf] (787KB) (April 2006)
• CALMET/CALPUFF BART Protocol for Class I Federal Area Individual Source Attribution Visibility Impairment Modeling Analysis [Colorado-subject-to-BART-CALPUFFprotocol.pdf] (4,616KB) (October 2005)
• BART CALPUFF Modeling Results - Individual Source Attribution Visibility Impairment Modeling Analysis (BART exemption analysis):
• Summary of final CALPUFF exemption modeling results for all BART-eligible sources listed below: see Regional Haze website [http://www.cdphe.state.co.us/ap/regionalhaze.html]
• CEMEX, Inc., Lyons Cement Plant - Report [BARTCalpuff Report-cemex.pdf] (4,794KB) (November 2005)
• Cherokee Station - Boiler 4 - Report [BARTCalpuff Report-cherokee.pdf] (4,786KB) (November 2005)
• Comanche Station - Boilers 1 and 2 - Report [BARTCalpuff Report-comanche.pdf] (3,912KB) (November 2005)
• Craig Station - Units 1 & 2 - Report [BARTCalpuff Report-craig(revised).pdf] (4,250KB) (March 2006)
• Hayden Station - Units 1 & 2 - Report [BARTCalpuff Report-hayden.pdf] (4,208KB) (November 2005)
• Lamar Light & Power Boiler #6 - Report [BARTCalpuff Report-lamar.pdf] (4,157KB) (November 2005)
• Martin Drake Power Plant - Units 5, 6, 7 - Report [BARTCalpuff Report-drake.pdf] (4,180KB) (November 2005)
• Martin Drake Power Plant - Units 5, 6, 7 - Refined Report. This subject-to-BART analysis was submitted by the source operator to replace the Division's November 4, 2005 analysis. See supplemental analysis. [CSU_Drake_BART_CALPUFF_Report-17Aug07.pdf] (2,574KB) (August 2007)
• Martin Drake Power Plant - Units 5,6,7 - Addendum to Refined Report. Supplement to the August 17, 2007 subject-to-BART analysis. Refer to regional haze SIP for outcome. [CSU_Drake_BART_CALPUFF_Report_addendum_29aug07.pdf] (313KB) (August 2007)
• Pawnee Station - Unit 1 (status pending) - Report [BARTCalpuff Report-pawnee.pdf] (4,459KB) (November 2005)
• Ray D. Nixon Power Plant - Unit 1 - Report [BARTCalpuff Report-nixon.pdf] (4,362KB) (November 2005)
• Ray D. Nixon Power Plant - Unit 1 - Refined Report. This subject-to-BART analysis was submitted by the source operator to replace the Division's November 4, 2005 analysis. The Division reviewed the analysis and requested revisions. [CSU_Nixon_BART_CALPUFF_Report-08May06.pdf] (823KB) (May 2006)
• Ray D. Nixon Power Plant - Unit 1 - Supplemental Refined Report. This report addresses the Division's comments on the May 2006 subject-to-BART analysis. [NIXON - Supplemental CALPUFF Modeling Results.pdf] (2,196KB) (August 2006)
• Suncor Denver Refinery (including former Valero Refinery) - Report [BARTCalpuff Report-suncor(revised).pdf] (4,179KB) (March 2006)
• Trigen-Colorado Golden Facility Units 4 & 5 - Report [BARTCalpuff Report-trigen.pdf] (4,404KB) (November 2005)
• Valmont Station - Boiler 5 - Report [BARTCalpuff Report-valmont.pdf] (4,173KB) (November 2005)

Carbon Monoxide Technical Support Documents

• Carbon Monoxide Maintenance Plan Revision for the Longmont Attainment Area [2005Longmont_TSD.pdf] (381KB) (December 2005)
• Carbon Monoxide Maintenance Plan Revision for the Denver-Boulder Attainment Area [DenCOtsd2005 Revised Dec 12.pdf] (655KB) (December 2005)
• Appendix [tsd.pdf] (497KB)
• Appendix [tsd_cd.zip] (3,211KB)
• Carbon Monoxide Maintenance Plan Revision for the Greeley Attainment Area [GreeleyFinalTSDr.pdf] (2,300KB) (December 2002)
• Carbon Monoxide Maintenance Plan Revision for the Colorado Springs Attainment Area [ColoSprings.pdf] (776KB) (December 2003)
• Appendix [tsd_app_cosp.zip] (260KB)
• Carbon Monoxide Maintenance Plan Revision for the Longmont Attainment Area [longmont.pdf] (522KB) (December 2003)
• Appendix [tsd_app_long.zip] (2,421KB)
• Ft Collins, Colorado Carbon Monoxide Redesignation request and maintenance plan for the Fort Collins Non-Attainment Area. [FCdraftTSDRev.pdf] (11,931KB)
• Technical Support Document - Carbon Monoxide Redesignation Request and Maintenance Plan for the Denver Metropolitan Area [codenfnl.pdf] (1,631KB) (January 2000)
• Appendices (10/7/99) [codenapp.pdf] (1,848KB) (January 2000)

Exceptional Events

• Technical Support Document for the April 8, 2009 Exceptional Event [TSD_Alamosa_Blowing_Dust_Event_040809.pdf] (8,532KB) (May 2012)
• Technical Support Document for the April 3, 2009 Exceptional Event [TSD_Pagosa_Springs_Blowing_Dust_Event_040309.pdf] (12,651KB) (May 2012)
• Technical Support Document for the March 22, 2009 Exceptional Event [TSD_PagosaSprings_PM10_Blowing Dust Event_03222009.pdf] (12,391KB) (February 2012)
• Technical Support Document for the February 27, 2009 Exceptional Event [TSD_Durango_PM10_Blowing Dust Event_02272009.pdf] (8,145KB) (February 2012)
• Technical Support Document for the January 19, 2009 Exceptional Event [TSD_Blowing_Dust_Event_011909.pdf] (11,316KB)
• Technical Support Document for the May 24, 2010 Exceptional Event [TSD_O3_Intrusion_Event_052410.pdf] (4,533KB)
• Technical Support Document for the May 22, 2008 Exceptional Event [TSD_Lamar_Event_052208.pdf] (3,096KB)
• Technical Support Document for the May 2, 2008 Exceptional Event [TSD_Lamar_Event_Update_050208.pdf] (1,557KB)
• Technical Support Document for the October 30, 2003 Natural Event [October2003Dust.pdf] (6,858KB)
• Supplemental Information Concerning the October 30, 2003 Exceptional Event [oct302003.pdf] (378KB)
• 2002 February and March Multiple High Wind Events [2002maindustwithscans.pdf] (3,832KB) (November 2002)
• 2002 May and June Multiple High Wind Events [mayjunedustwithscans.pdf] (2,962KB) (November 2002)
• Technical Support Document - March 31, 1999 High Wind PM10 Event (9/28/99) [wind5.pdf] (2,391KB) (September 1999)

Miscellaneous

• Air Emissions Case Study Related to Oil and Gas Development in Erie, Colorado [Erie_Air_Emissions_Case_Study_2012.pdf] (3,071KB) (December 2012)
• Pueblo, Colorado Air Toxics Special Study Around the Rocky Mountain Steel Mill. May 2002 through December 2002. [PuebloAirToxics.pdf] (1,946KB)
• 2001-2002 Report of Urban Air Toxics In Denver. [UrbanAirToxicsFinal.pdf] (3,716KB) (Appendices available on request)
• 2002-2003 Report of Urban Air Toxics In Denver. [DenverAirToxics2002-2003_final.pdf] (2,770KB) (Appendices available on request)
• An Evaluation of Federal Land Manager Activities that may Impact Air Quality Related Values in Class I Areas [flmvis.pdf] (169KB) (November 1995)
• Grand Junction Air Toxics Trends Reports
• Grand Junction 2004 Air Toxics Trends Report [GJ2004AirToxicsReport.pdf] (4,878KB)
• Grand Junction 2005 Air Toxics Trends Report [GJ2005AirToxicsReport.pdf] (4,022KB)
• Grand Junction 2006 Air Toxics Trends Report [GJ2006AirToxicsReport.pdf] (4,041KB)
• Grand Junction 2007 Air Toxics Trends Report [GJ2007AirToxicsReport.pdf] (4,382KB)
• Grand Junction 2008 Air Toxics Trends Report [GRANDJunction 2008 Report_FINAL.pdf] (1,067KB) (October 2012)
• Grand Junction 2001-2002 Air Toxics Pilot Project Report. [GJ2002AirToxicsReport.pdf] (6,527KB)

Ozone (8-hour) Denver MetroArea/Horth Front Range 8-Hour Ozone SIP TSD

• DMA/NFR 8-hour O3 SIP Technical Support Documents (TSD) [http://www.colorado.gov/airquality/documents/deno308/ ]

Ozone (8-hour) Denver Ozone Early Action Compact (EAC) TSD

• Denver Early Action Ozone Compact Technical Support Documents [http://www.colorado.gov/airquality/documents/eac/]
• [EAC_SIP_031104-aqcc_DRAFT.pdf] (144KB) (February 2004)
• Air Quality Modeling Analysis for Denver - Ozone Source Apportionment Modeling [OSA.pdf] (1,552KB)

Particulate Matter Technical Support Document - Denver

• Fine Particulate (PM10) Redesignation Request and Maintenance Plan for the Denver Metropolitan Area - Revised Technical Support Document [DENPM10 Revised Dec 12.pdf] (2,492KB) (September 2005)
• Fine Particulate (PM10) Redesignation Request and Maintenance Plan for the Denver Metropolitan Area - Technical Support Document [denpm10_tsd.pdf] (1,288KB) (April 2001)
• Appendix A [Appendix A.pdf] (19KB)
• Appendix B [Appendix B.pdf] (72KB)
• Appendix C [Appendix C.pdf] (32KB)
• Appendix D [Appendix D.pdf] (9KB)
• Appendix E [Appendix E.pdf] (3,075KB)
• Appendix F [Appendix F.pdf] (283KB)
• Appendix G [Appendix G.pdf] (228KB)
• Appendix H [Appendix H.pdf] (237KB)
• Appendix I [Appendix I.pdf] (228KB)
• Appendix J [Appendix J.pdf] (228KB)
• Appendix K [Appendix K.pdf] (228KB)
• Appendix L [Appendix L.pdf] (1,253KB)

Particulate Matter Technical Support Document - Cañon City

• [CanonCity_emission_inventory_TSD_Final.pdf] (62KB) (November 2008)

PSD Increment

• Periodic Assessment of Nitrogen Dioxide PSD Increment Consumption in SW Colorado - Phase I Report [no2swcf1b.pdf] (11,946KB) (October 1999)

For more documents generated by the Technical Services Program, try the other links on the Technical Services Home Page.