EPA Says More Cities Are Meeting Air Quality Standards

By Kocheisen, Carol | Nation's Cities Weekly, November 2, 1992 | Go to article overview

EPA Says More Cities Are Meeting Air Quality Standards


Kocheisen, Carol, Nation's Cities Weekly


Municipalities have made steady progress toward attainment of the National Ambient Air Quality Standards (NAAQS) as required under the 1990 Amendments to the Clean Air Act, according to statistics recently released by the U.S. Environmental Protection Agency.

Forty-one of the 97 areas that had been designated "nonattainment" for ground level (tropospheric, not stratospheric) ozone (smog) were in compliance with the national standards and 13 of the 42 carbon monoxide "nonattainment" areas have also reached the federal standard.

To be in compliance with Clean Air Act requirements for ozone, an area must be in attainment for three consecutive years.

EPA's report also indicates that over the past ten years, overall emissions of the six major air pollutants - ozone ([O.sub.3]), lead (Pb), sulfur dioxide ([SO.sub.2]), carbon monoxide (CO), particulates ([PM.sub.10]), and nitrogen dioxide ([NO.sub.2]) - targeted by federal legislation have been reduced. Greatest reductions were achieved in lead ambient levels which declined 89 percent, 18 percent over the last year. Thirty percent reductions were achieved (five percent over the past year) in carbon monoxide emissions, principally as a result of turnover of the nation's vehicles to newer, less polluting motor vehicles.

Ozone, the most pervasive air pollution problem, affects 98 metropolitan areas in the country. High ozone levels are in part affected by hot, dry, stagnant summer weather conditions and were particularly severe in the summers of 1983 and 1988. Of the 98 ozone nonattainment areas in the country, 43 areas are classified as "moderate," 14 areas are "serious," nine are "severe," and one (Los Angeles) is "extreme.

The rest of this article is only available to active members of Questia

Sign up now for a free, 1-day trial and receive full access to:

  • Questia's entire collection
  • Automatic bibliography creation
  • More helpful research tools like notes, citations, and highlights
  • Ad-free environment

Already a member? Log in now.

Notes for this article

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Project items

Items saved from this article

This article has been saved
Highlights (0)
Some of your highlights are legacy items.

Highlights saved before July 30, 2012 will not be displayed on their respective source pages.

You can easily re-create the highlights by opening the book page or article, selecting the text, and clicking “Highlight.”

Citations (0)
Some of your citations are legacy items.

Any citation created before July 30, 2012 will labeled as a “Cited page.” New citations will be saved as cited passages, pages or articles.

We also added the ability to view new citations from your projects or the book or article where you created them.

Notes (0)
Bookmarks (0)

You have no saved items from this article

Project items include:
  • Saved book/article
  • Highlights
  • Quotes/citations
  • Notes
  • Bookmarks
Notes
Cite this article

Cited article

Style
Citations are available only to our active members.
Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

1

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited article

EPA Says More Cities Are Meeting Air Quality Standards
Settings

Settings

Typeface
Text size Smaller Larger
Search within

Search within this article

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Full screen

matching results for page

Cited passage

Style
Citations are available only to our active members.
Sign up now to cite pages or passages in MLA, APA and Chicago citation styles.

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

"Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited passage

Welcome to the new Questia Reader

The Questia Reader has been updated to provide you with an even better online reading experience.  It is now 100% Responsive, which means you can read our books and articles on any sized device you wish.  All of your favorite tools like notes, highlights, and citations are still here, but the way you select text has been updated to be easier to use, especially on touchscreen devices.  Here's how:

1. Click or tap the first word you want to select.
2. Click or tap the last word you want to select.

OK, got it!

Thanks for trying Questia!

Please continue trying out our research tools, but please note, full functionality is available only to our active members.

Your work will be lost once you leave this Web page.

For full access in an ad-free environment, sign up now for a FREE, 1-day trial.

Already a member? Log in now.