| 1. | Further chemicals released are benzene and 1, 3-butadiene that are also hazardous air pollutants.
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| 2. | Control of Hazardous Air Pollutants From Mobile Sources : Early Credit Technology Requirement Revision
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| 3. | Proposals for limiting hazardous air pollutants are still being intensively debated, participants in the process say.
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| 4. | Asbestos which often is present in older building materials is regulated as a hazardous air pollutant.
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| 5. | This method produces significant VOC ( volatile organic compound ) and HAP ( hazardous air pollutant ) emissions.
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| 6. | Mercury, a highly toxic element, was declared a hazardous air pollutant by the Environmental Protection Agency in 1971.
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| 7. | The National Emission Standards for Hazardous Air Pollutants program was created to expand much broader industries and activities.
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| 8. | A recent European study identified PM2.5 as the most health-hazardous air pollutant, causing an estimated 492, 000 premature deaths.
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| 9. | The objections are based on highly technical details of the controls to be imposed on emissions of hazardous air pollutants.
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| 10. | The public can use this index as a tool to determine their exposure to hazardous air pollutants based on visibility range.
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