The Resource Revising the National Ambient Air Quality Standard for lead, James E. McCarthy

Revising the National Ambient Air Quality Standard for lead, James E. McCarthy

Label
Revising the National Ambient Air Quality Standard for lead
Title
Revising the National Ambient Air Quality Standard for lead
Statement of responsibility
James E. McCarthy
Creator
Contributor
Subject
Genre
Language
eng
Summary
The Administrator of the Environmental Protection Agency (EPA), under a court order to review the National Ambient Air Quality Standard (NAAQS) for lead, proposed to revise the standard on May 1, 2008, reducing it from 1.5 micrograms per cubic meter to within the range of 0.10 to 0.30. The proposal's publication in the Federal Register will begin a 60-day public comment period. The agency must promulgate a final standard by September 15, 2008. NAAQS are standards for outdoor (ambient) air that are intended to protect public health and welfare from harmful concentrations of pollution. If the Administrator ultimately strengthens the lead standard, he will be concluding that protecting public health and welfare requires lower concentrations of lead pollution in ambient air than the level previously held to be safe. Lead particles can be inhaled or ingested, and, once in the body, can cause lower IQ and effects on learning, memory, and behavior in children. In adults, lead exposure is linked to increased blood pressure, cardiovascular disease, and decreased kidney function. Regulation of airborne lead is often described as one of the key successes of the Clean Air Act and of the Environmental Protection Agency. In 1970, when lead was widely used as a gasoline additive, emissions of lead nationwide totaled 224,100 tons. Lead was also present then in many consumer products, and thus was emitted to the air in industrial processes and from waste incinerators. The phasing out of lead from gasoline, paint, and other products, as well as stricter controls on industrial emissions, reduced lead emissions 98%, to 4,228 tons in 2000. The reduction in lead emissions and ambient concentrations have led some to suggest that there is no longer a need for an ambient air quality standard for lead. Others, including the Clean Air Scientific Advisory Committee (CASAC), an independent panel of scientists who advise the EPA Administrator, conclude that the current NAAQS (established in 1978) is far too lenient, that lead in ambient air still poses a threat to public health, and that the NAAQS should be significantly strengthened. CASAC recommended that the standard be reduced from 1.5 to no higher than 0.2. In proposing a more stringent NAAQS, the Administrator sided with the scientists, rejecting the argument that the standard is no longer needed; but his proposed range is, in part, not as stringent as they recommended. His decision appears to rest, in part, on a potentially controversial interpretation of the statutory requirement to "protect ... public health" with "an adequate margin of safety." The May 2008 proposal follows a multi-year review of the science. Assuming a new standard is promulgated, nonattainment areas will first be identified (not expected to occur until September 2011), following which there will be a 5-10 yearlong implementation process in which states and local governments will identify and implement measures to reduce lead in the air. EPA has also proposed expanding the monitoring network for lead. Only about 3% of U.S. counties have lead monitors
Member of
Cataloging source
EJB
http://library.link/vocab/creatorName
McCarthy, James E.
Government publication
federal national government publication
Illustrations
maps
Index
no index present
Literary form
non fiction
Nature of contents
bibliography
http://library.link/vocab/relatedWorkOrContributorName
Library of Congress
Series statement
CRS report for Congress
Series volume
RL34479
http://library.link/vocab/subjectName
  • United States
  • United States
  • United States
  • United States
  • Air
  • Air
  • Air quality
  • Lead
  • Air
  • Air
  • Air quality
  • Lead
  • United States
Label
Revising the National Ambient Air Quality Standard for lead, James E. McCarthy
Instantiates
Publication
Note
  • "May 7, 2008."
  • Title from title screen (viewed May 20, 2008)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Extent
16 unnumbered pages
Form of item
online
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Note
Hein Online
Other physical details
digital, PDF file.
System control number
  • (OCoLC)228414914
  • (OCoLC)ocn228414914
System details
  • Mode of access: World Wide Web
  • System requirements: Adobe Acrobat Reader
Label
Revising the National Ambient Air Quality Standard for lead, James E. McCarthy
Publication
Note
  • "May 7, 2008."
  • Title from title screen (viewed May 20, 2008)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Extent
16 unnumbered pages
Form of item
online
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Note
Hein Online
Other physical details
digital, PDF file.
System control number
  • (OCoLC)228414914
  • (OCoLC)ocn228414914
System details
  • Mode of access: World Wide Web
  • System requirements: Adobe Acrobat Reader

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