EPA, Ozone and the Clean Air Act: Hearing Before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundredth Congress, First Session, April 27, 1987U.S. Government Printing Office, 1987 - 1650 páginas |
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Página 1
... ozone under the Clean Air Act . The National Ambient Air Quality Standard for ozone is 0.12 parts per million and it is measured in terms of exceedances with a limit of four exceedances of 1 - hour duration over a 4 year period . This ...
... ozone under the Clean Air Act . The National Ambient Air Quality Standard for ozone is 0.12 parts per million and it is measured in terms of exceedances with a limit of four exceedances of 1 - hour duration over a 4 year period . This ...
Página 5
... ozone standard is , after all , a 1 - hour standard set at a level to protect individuals against the peak or acute exposures of the kind we are seeing now in New York . It is clear that continued reductions in ozone concentration level ...
... ozone standard is , after all , a 1 - hour standard set at a level to protect individuals against the peak or acute exposures of the kind we are seeing now in New York . It is clear that continued reductions in ozone concentration level ...
Página 7
... ozone standard deals with the format of the standard itself . It's difficult to design an area - wide control strategy which can reliably assure attainment during each hour of all future years . At the time the 1987 attainment deadline ...
... ozone standard deals with the format of the standard itself . It's difficult to design an area - wide control strategy which can reliably assure attainment during each hour of all future years . At the time the 1987 attainment deadline ...
Página 9
... ozone , a primary constitu- ent of smog . You have expressed concern , Mr. Chairman , about the ability of the States to comply with the EPA established ozone standard and the implications that may have for their meeting the December ...
... ozone , a primary constitu- ent of smog . You have expressed concern , Mr. Chairman , about the ability of the States to comply with the EPA established ozone standard and the implications that may have for their meeting the December ...
Página 10
... level had been reduced to 36 parts per million . An improvement , but still well above the standard . In contrast , Charlotte has remained close to reaching attain- ment . Between 1981 and 1985 Charlotte's ozone level fell from 0.14 to ...
... level had been reduced to 36 parts per million . An improvement , but still well above the standard . In contrast , Charlotte has remained close to reaching attain- ment . Between 1981 and 1985 Charlotte's ozone level fell from 0.14 to ...
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additional Administrator air pollution air quality air quality standards analysis approved attainment areas automobile benzene California canister carbon monoxide Chairman Clean Air Act CMSA compliance concern control measures control strategies control systems control technology deadline December 31 decision determine DINGELL emission control emission reductions enforcement Environmental Protection Agency EPA's estimates evaluation evaporative emissions factors gasoline vapor hydrocarbon impact in-use industry issue letter manufacturers methanol mobile source monitoring motor vehicle MVMA NAAQS nationwide NHTSA nonattainment areas onboard controls onboard systems ozone nonattainment areas ozone problem ozone standard percent proposed RACT reasonably available control recovery credit REEP refueling controls refueling emissions Region Region 9 regulations regulatory request RESPONSE TO QUESTION rulemaking safety sanctions SIP revisions staff Stage II controls Thomas transport vapor control vapor recovery volatile organic compounds