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Colorado's Air Quality Journey: Achievements and Challenges (2010)

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upton
11 diapositives · 237 Views · Jul 11, 2014

The Colorado Air Quality history reflects a commitment to improving air standards since the 1970 Clean Air Act. With a state population projected to reach 7.23 million by 2030, initiatives addressing air quality have expanded significantly. Major pollutants like ozone and PM2.5 are under continual scrutiny with evolving standards. The state has implemented proactive measures such as high-altitude emissions standards and mandatory testing. Colorado strives towards cleaner air while tackling new challenges, including visibility improvements in national parks and reducing mercury emissions.

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  1. Colorado:An Air Quality History WESTAR SPRING BUSINESS MEETING MAR CH 29 – 30, 2010

  2. Colorado by the Numbers • 5.17 million residents statewide (est.) • 4.24 million residents in Front Range (est.) • 54 “14ers” • 29 Ski Areas • GDP by Major Industry Sector (2007): • Services – $65.7 Billion • Finance, Insurance and Real Estate – $44.1 • Government - $28.0 • Information – $21.4 • Manufacturing - $15.2 • Retail Trade - $14.3 • Wholesale Trade - $13.2 • Construction - $12.4 • Mining - $10.9

  3. 1970 Clean Air Act • Most Sweeping Environmental Legislation in United States History • Set National Health-Based Air Quality Standards • Carbon Monoxide • Lead • Nitrogen Oxide • Ozone • Total Suspended Particulates • Sulfur Dioxide • Required States to Establish and Maintain Clean Air • Required Each State to Adopt a State Implementation Plan and Establish Permitting and Enforcement Systems

  4. NONATTAINMENT • Denver-Metropolitan Area • 4 of 6 Original Criteria Pollutant Standards (Carbon Monoxide, Lead, Nitrogen Oxide, Ozone) • Also Nonattainment for PM10 Standard that replaced the TSP Standard in 1987 • More Than a Dozen CO/PM10 Nonattainment Areas Throughout the State

  5. Proactive Colorado (Firsts and Near-Firsts) • 1977: Colorado Car (High Altitude Emissions Standards) • 1981: Automobile Inspection and Maintenance Programs • 1985: Emissions Standards for New Woodburning Stoves • 1987: Mandatory Testing for Individual Diesel Vehicles and Fleets • 1988: Oxygenated Fuels Program along Colorado’s Front Range • 1990: Urban Visibility Standard • 1990: Banned Sale of Non EPA-Certified Stoves • 1993: Banned Installation of Woodburning Fireplaces in New Construction • 1995: Enhanced Automobile Inspection and Maintenance

  6. Colorado Air Quality Today • All Areas of Colorado Attaining Original National Ambient Air Quality Standards • Working Effectively Toward Attainment of Newer, More Stringent Ozone Standard • Expanding Air Quality Monitoring Network • Expanding Air Quality Forecasting Statewide

  7. Changing Demographics • Front Range Population Estimates • State Population Estimates • 1970: 2,209,596* • 1980: 2,889,733* • 1990: 3,294,394* • 2000: 4.33 million (2000 census) • 2010: 5.17 million* • 2020: 6.19 million* • 2030: 7.23 million* • 2000: 3.54 (2000 census) • 2010: 4.24 million* • 2020: 5.01 million* • 2030: 6.15 million* * Colorado State Demography Office

  8. Colorado Air Quality Challenges • More Stringent Standards • Ozone • 1997 Standard:.08 ppm • 2008 Standard: .075 ppm • 2010 (Proposed): .06 - .07 ppm • Nitrogen Dioxide • 1971 Standard: .053 ppm annual average • 2010 Standard: 100 ppb (1-hour daily max) • PM 2.5 • 1997 Standards: 65 μg/m3 (24-hour avg.) and 15 μg/m3 (annual) • 2006 Standards: 35 μg/m3 (24-hour avg.) and 15 μg/m3 (annual)

  9. Colorado Air Quality Challenges • Regional Haze • Requires visibility improvements • National Parks and Wilderness Areas • Submitted BART for 12 Facilities in 2007 and 2008, plus other chapters • Working on Reasonable Progress and BART Review with U.S. EPA (Region 8) in 2010 • Mercury • Over 18 Hg Fish Consumption Advisories in Colorado water bodies • Statewide Regulations to Reduce EGU Mercury Emissions (2012, 2014, 2018)

  10. Colorado Air Quality Initiatives • Proposed Clean Air/Clean Jobs Act • Sharply reduce air pollutants by retiring, retrofitting or repowering Northern Front Range coal‑fired power plants by or before the end of 2017 (or sooner) • Will help Colorado meet Regional Haze SIP Requirements • Will help Colorado meet Ozone and NO2 requirements • House Bill 10-1001 • Requires 30 percent of electricity be generated by renewable sources by 2020 • Requires 3 percent be met by solar power • 100,000 solar rooftops • Consumer and Rate-payer protections