40 CFR 50.9 - National 1-hour primary and secondary ambient air quality standards for ozone
| Cite as | 40 CFR 50.9 |
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45 cases
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South Terminal Corp. v. E.P.A., FITZ-INN
...for photochemical oxidants is 0.08 parts per million (p.p.m.) maximum for a one hour period, not to be exceeded more than once per year. 40 C.F.R. 50.9. Primary and secondary national ambient air quality standards for carbon monoxide are 35 p.p.m. maximum for one hour and 9 p.m.m. average f......
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Com. of Va. v. E.P.A., s. 95-1163
...ambient air quality standard for ozone. The standard permits a maximum one-hour average ozone concentration of 0.12 parts per million. 40 C.F.R. § 50.9. If the ambient air exceeds this standard more than once per year averaged over three years, the area is considered in "nonattainment." Id.......
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Conservation Law Foundation, Inc. v. Busey, s. 92-1335
...U.S.C. § 7409 (Supp. III 1991). Among them were NAAQS for ozone and carbon monoxide, both of which are relevant here. See 40 C.F.R. §§ 50.8, 50.9 (1995). Responsibility for achieving and maintaining the NAAQS falls on the states, which are required to submit state implementation plans (SIPs......
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Sierra Club v. Atlanta Regional Com'n, CIV.A.1:01-CV0428BBM.
...pollutants (criteria pollutants) allowable to protect public health. See 42 U.S.C. § 7409. Among them were NAAQS for ozone. See 40 C.F.R. § 50.9. Responsibility for achieving and maintaining the NAAQS falls on the states, which are required to submit SIPs specifying the manner in which they......
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3 books & journal articles
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Introduction to Air Pollution
...Quality Monitoring Data Inluenced by Exceptional Events, 72 Fed. Reg. 13560 (Mar. 22, 2007) (to be codiied at 40 C.F.R. §50.14). 43. 40 C.F.R. §50.9(a) and pt. 50, app. H. tion Equity Act: A Legacy for Users (SAFETEALU), 44 which requires EPA to promulgate a rule identifying the criteria an......
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The State Implementation Plan Process
...2000); American Trucking Ass’n v. EPA, 175 F.3d 1027, 1046 n.6, 29 ELR 21071 (D.C. Cir. 1999). See also 40 C.F.R. pt. 50, app. H. 118. 40 C.F.R. §50.9. 119. Southwestern Pa. Growth Alliance v. Browner, 121 F.3d 106, 27 ELR 21540 (3d Cir. 1997). 120. 62 Fed. Reg. 38894 (July 18, 1997) (codii......
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Air Quality: The Need to Replace Basic Technologies With Cleaner Alternatives
...phaseout of methyl bromide). 17. National Ambient Air Quality Standards for Ozone, 62 Fed. Reg. 38835 (July 18, 1997) (codified at 40 C.F.R. §§50.9, 50.10). These standards were upheld in Whitman v. Am. Trucking Ass’n , 531 U.S. 457 (2001). 248 AGENDA FOR A SUSTAINABLE AMERICA 18. See South......