EVPP 111 Lecture - Air Quality Issues - Air Pollution - Outdoor - Student - Spring 2010

EVPP 111 Lecture- - Air Quality Issues – Air Pollution Outdoor Air EVPP 111 Lecture Dr Largen Air Quality Issues Air Air Pollution – Outdoor

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Unformatted text preview: Air Quality Issues – Air Pollution - Outdoor Air EVPP 111 Lecture Dr. Largen Air Quality Issues Air Air Pollution – Outdoor – Indoor Indoor Ozone depletion Acid Deposition Greenhouse Gases & Global Warming Air Quality Issues Air Air Pollution – Outdoor – Indoor Indoor Ozone depletion Acid Deposition Greenhouse Gases & Global Warming Air Quality Issues Air Air Pollution - Outdoor – Importance of air quality – Degradation of air quality – Sources of pollution – Major pollutants – Smog Smog – Effect of air pollution – US summary Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air Air quality – Importance Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air Air quality – Degradation Degradation = pollution Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air Sources of pollution – Point versus non-point – Natural events versus human actions Air Quality Issues: Air Pollution - Outdoor Air Sources of pollution – Point source – Non-point source iClicker Question iClicker Which of the following would be examples of Which non-point source air pollution? non-point A. Automobiles B. Factories C. Backyard fires to burn leaves D. Coal-fired power plants E. A and C Air Quality Issues: Air Pollution - Outdoor Air Sources of pollution – natural events Air Quality Issues: Air Pollution - Outdoor Air Air quality – Sources of pollution Human actions Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary Greatest threat to human health – EPA’s criteria pollutants EPA’s criteria Carbon content – Volatile organic compounds (VOCs) Toxicity to plant and animal life – Clean Air Act’s toxic air pollutants Clean toxic Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary Greatest threat to human health – EPA’s criteria pollutants EPA’s criteria Carbon content – Volatile organic compounds (VOCs) Toxicity to plant and animal life – Clean Air Act’s toxic air pollutants Clean toxic Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary – Primary pollutants – Secondary pollutants iClicker Question iClicker Primary pollutants form when various emissions Primary interact with other components of the atmosphere. atmosphere. A. True B. False Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary Greatest threat to human health – EPA’s criteria pollutants EPA’s criteria Carbon content – Volatile organic compounds (VOCs) Toxicity to plant and animal life – Clean Air Act’s toxic air pollutants Clean toxic Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Greatest threat to human health EPA’s criteria pollutants EPA’s criteria – carbon monoxide – sulfur dioxide – nitrogen dioxide – tropospheric ozone – particulate matter particulate – lead Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria carbon monoxide (CO) – – – Sources Trends Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Sulfur dioxide (SO2) – – – Sources Trends Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Nitrogen oxides (NOx) – – – Sources Trends Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Tropospheric ozone (O3) – Precursors (NOX, VOC) Precursors – Sources Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Tropospheric ozone (O3) – Trends – Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Particulate matter – – – Sources Trends Effects Effects Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Particulate matter 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – EPA’s criteria pollutants EPA’s criteria Leab (Pb) – – – Sources Trends Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria iClicker Question iClicker Which of the following is NOT one of EPA criteria Which air pollutants? air – A. carbon monoxide A. carbon – B. – C. – D. – E. carbon dioxide sulfur dioxide tropospheric ozone lead iClicker Question iClicker Of EPA’s criteria air pollutants, which is most Of abundant? abundant? – A. carbon monoxide A. carbon – B. – C. – D. – E. particulate matter sulfur dioxide tropospheric ozone lead iClicker Question iClicker Which of EPA’s criteria air pollutants has as its Which greatest source electricity generation? greatest – A. carbon monoxide A. carbon – B. – C. – D. – E. particulate matter sulfur dioxide tropospheric ozone lead iClicker Question iClicker Which of EPA’s criteria air pollutants has as its Which greatest source vehicles? greatest – A. carbon monoxide A. carbon – B. – C. – D. – E. particulate matter sulfur dioxide tropospheric ozone lead Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary Greatest threat to human health – EPA’s criteria pollutants EPA’s criteria Carbon content – Volatile organic compounds (VOCs) Toxicity to plant and animal life – Clean Air Act’s toxic air pollutants Clean toxic Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Carbon content Volatile organic compounds (VOCs) – Composition Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Carbon content Volatile organic Volatile compounds (VOCs) compounds – Sources Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Carbon content Volatile organic Volatile compounds (VOCs) compounds – Trends – Effects Effects 2006 U.S. emissions (total of137 million tons) of six criteria air pollutants criteria Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Based on Emission history – Primary air pollutant vs. secondary air pollutant secondary Greatest threat to human health – EPA’s criteria pollutants EPA’s criteria Carbon content – Volatile organic compounds (VOCs) Toxicity to plant and animal life – Clean Air Act’s toxic air pollutants Clean toxic Air Quality Issues: Air Pollution - Outdoor Air Air pollutant categories – Toxicity to plant and animal life Clean Air Act’s toxic air pollutants Clean toxic – 1990 Clean Air Act identifies 188 – effects cancer; reproductive defects; neurological, cancer; immunological, developmental, respiratory problems immunological, – sources – trends Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air smog – Types Industrial Photochemical Photochemical Air Quality Issues: Air Pollution - Outdoor Air Smog – Industrial Formation Air Quality Issues: Air Pollution - Outdoor Air Smog – Industrial Notable incidents – Donora Death Fog Donora – London Killer Fog Air Quality Issues: Air Pollution - Outdoor Air Smog – Industrial - notable incidents Donora Death Fog Donora (Donora, PA, 1948) Air Quality Issues: Air Pollution - Outdoor Air Smog – Industrial - notable incidents London Killer Fog (England, 1952) Air Quality Issues: Air Pollution - Outdoor Air Smog – photochemical Formation Air Quality Issues: Air Pollution – Outdoor Smog – Photochemical - Formation Typical photochemical smog event – morning traffic produces lots of NO N2 + O2 → 2NO – NO reacts with molecular O2 from atmosphere to form NO2 NO 2NO + O2 → 2NO2 2NO – later in morning, NO2 reacts with UV in sunlight to form atomic O atomic NO2 → UV light → NO + O – molecular O2 in atmosphere reacts with atomic O to form ozone ozone Air Quality Issues: Air Pollution – Outdoor Smog – Photochemical - Formation Typical photochemical smog event Air Quality Issues: Air Pollution - Outdoor Air Smog – photochemical locations Air Quality Issues: Air Pollution - Outdoor Air Smog – photochemical Locations – geography Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air Effects of air pollution reduced aesthetic value of scenery human health problems damage to ecosystems damage international conflicts damage to structures damage to crops increased costs Air Quality Issues: Air Pollution Air Effects of air pollution – Reduced aesthetic value of scenery Air Quality Issues: Air Pollution Air Effects of air pollution – Human health problems Air Quality Issues: Air Pollution Air Effects of air pollution – Damage to ecosystems Air Quality Issues: Air Pollution Air Effects of air pollution – International conflicts Air Quality Issues: Air Pollution Air Effects of air pollution – Damage to structures/materials Air Quality Issues: Air Pollution Air Effects of air pollution – Damage to crops Air Quality Issues: Air Pollution - Outdoor Air Effects of air pollution – Increased costs Air Quality Issues Air Air Pollution – Importance of air quality – Degradation of air quality – Sources of pollution – Air pollutant categories – Smog Smog – Effect of air pollution – US summary Air Quality Issues: Air Pollution - Outdoor Air US summary – National Ambient Air Quality Standards The End The ...
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This note was uploaded on 01/26/2011 for the course EVPP 111 taught by Professor Staff during the Spring '08 term at George Mason.

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