4+California+Air+Pollutions

4+California+Air+Pollutions - California Air Pollution Laws...

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ETX 138 January 13, 2011 California Air Pollution Laws January 13, 2010 Melanie Marty, Ph.D.
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ETX 138 January 13, 2011 Major California Air Pollution Laws CAAQS Toxic Air Contaminants Air Toxics Hot Spots Act Children’s Environmental Health Act Greenhouse Gas Emissions
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ETX 138 January 13, 2011 History of ARB 1943 First smog episode in LA 1947 Air pollution districts created 1959 Health Dept to create air standards 1967 ARB created 1969 First state AAQS created 1971 First national AAQS created 1976 ARB limits lead in gasoline 1983 AB 1807 Toxic Air Contaminants Act approved Shined spotlight on all these other chemicals 1987 AB 2588 Air Toxics Hot Spots 2002, 2006 Climate change bills
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ETX 138 January 13, 2011 Duties of ARB Establish and enforce standards for emissions for motor vehicles Establish air quality standards for specific pollutants Monitor air quality throughout the state Inventory major air pollution sources Evaluate control strategies Regulate agricultural burning Conduct research
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THE PATH TO CLEAN AIR Clean Air Air Quality Monitoring Emission Inventory Modeling/ Transport Control Assessment Plans/ Controls Ambient Air Quality Standards ETX 138 January 13, 2011
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ETX 138 January 13, 2011 APCD/AQMD Responsibilities Air Pollutions Control Districts and Air Quality Management Districts are separate local entities- not part of ARB Develop and implement State Implementation Plans (SIPs) Keep public informed of pollution levels Regulate air pollution nuisances
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ETX 138 January 13, 2011 California Ambient Air Quality Standards (CAAQS) OEHHA submits to the Air Resources Board recommendations for California ambient air quality standards reflecting the relationship between the intensity and composition of air pollution and health illness, irritation to the senses and the death of human beings.
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ETX 138 January 13, 2011 CAAQS Amendment ARB adopts AAQSs in consideration of the public health, safety, and welfare, including but not limited, health, illness, irritation to the senses, aesthetics, visibility, and effects on the economy. Standards relating to health shall be based on upon the recommendations of OEHHA.
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ETX 138 January 13, 2011 California AAQS PM10 and PM2.5 Sulfates Ozone Nitrogen Dioxide Carbon Monoxide Lead Sulfur Dioxide Hydrogen Sulfide Vinyl Chloride
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Comparison of Ambient Air Quality Standards Pollutant Federal Stds. California Stds. Averaging Times Carbon Monoxide 9 ppm 9.0 ppm (6 ppm Tahoe) 8-hour 35 ppm 20 ppm 1-hour Lead 0.15 µg/m 3 ------- 3-month average 1.5 µg/m 3 1.5 µg/m 3 Quarterly Average Nitrogen Dioxide 53 ppb 100 ppb 30 ppb (02/2007) 180 ppb (02/2007) Annual (Arith. Mean) 1-hour Particulate Matter (PM 10 ) revoked 20 µg/m 3 Annual (Arith. Mean) 150 ug/m 3 50 µg/m 3 24-hour Particulate Matter (PM 2.5 ) 15 µg/m
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4+California+Air+Pollutions - California Air Pollution Laws...

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