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The NAAQS: The Dirty Half Dozen

The NAAQS: The Dirty Half Dozen. Has Air Quality Gotten Better or Worse in Your Lifetime?. NAAQS Established April 30, 1971. Six Pollutants that are Dangerous for Public Health: Lead Carbon monoxide Nitrogen dioxide Sulfur dioxide Ozone Particulate Matter. #1: Lead ( pb ).

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The NAAQS: The Dirty Half Dozen

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  1. The NAAQS:The Dirty Half Dozen

  2. Has Air Quality Gotten Better or Worse in Your Lifetime?

  3. NAAQS Established April 30, 1971 • Six Pollutants that are Dangerous for • Public Health: • Lead • Carbon monoxide • Nitrogen dioxide • Sulfur dioxide • Ozone • Particulate Matter

  4. #1: Lead (pb) • Definition: naturally-occurring metal • Sources: ore and metal processing; aviation leaded gasoline • Health Impact: reduces blood’s ability to carry oxygen; can contribute to high blood pressure and heart disease. • Fact: EPA banned from gasoline in the 1970s.

  5. #2: Carbon Monoxide (CO) • Definition: colorless, odorless gas • Source: motor vehicles • Health Impact: blocks oxygen delivery to major organs such as the heart and brain. • Fact: CO is deadly in an enclosed space with rapid, high exposure.

  6. #3: Nitrogen Dioxide (NO2) • Definition: a reddish-brown, highly reactive gas • Sources: motor vehicles, power plants • Health Impact: even healthy people will experience airway inflammation when exposed to NO2. • Fact: adding oxygen to nitrogen allows it to pollute more.

  7. Near Road NO2 Monitoring Site

  8. #4: Sulfur Dioxide (SO2) • Definition: a highly reactive toxic gas • Sources: power plants, industrial facilities • Health Impact: increase asthma symptoms • Facts: SO2 is the main cause of acid rain; scrubbers at power plants have reduced SO2 from the air

  9. #5: Ozone (O3) • Definition: colorless gas that occurs when pollutants mix in the presence of heat and light • Sources: car exhaust, gas vapors, industrial emissions • Health Impact: coughing, throat irritation, even chest pains • Fact: main cause of smog alerts

  10. #6: Particulate Matter (PM) • Definition: soot, dust and dirt in the air Course particulates(between 2.5 and 10): produced by crushing or grinding processes Fine particulates(PM2.5) are so small they can only be detected with an electron microscope. • Sources: Course: dust from vehicles on the road or construction sites Fine: all types of combustion: cars, residential wood burning, forest fires, even fireworks • Health Impact: Coughing, decreased lung function, irregular heartbeat.

  11. Particulate Matter (PM)

  12. Air Monitors

  13. Air Quality Index

  14. Local Air Quality Map

  15. Has Air Quality Gotten Better or Worse in Your Lifetime?

  16. Air Pollution Reduction: 1990-2010 17% 17% 38% 33% 45% 46% 73% 70% 75% 78% 83% 86%

  17. NAAQS Analysis 1There are four counties in Southwest Ohio; here are their 2010-2012 ozone readings: Butler: 82; Clermont: 82; Hamilton: 85; Warren: 79 2Here is the 2012 data for PM2.5 per county Butler: 27; Hamilton: 30

  18. Don’t Idle! Idling is leaving a vehicle’s engine running when it is parked or not in use. • Waiting to pick someone up • Running errands • Sitting at the drive-thru Idling a car for 30 seconds uses more gas than turning it off and on!

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