[Federal Register Volume 59, Number 70 (Tuesday, April 12, 1994)]
[Unknown Section]
[Page 0]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 94-8736]


[[Page Unknown]]

[Federal Register: April 12, 1994]


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ENVIRONMENTAL PROTECTION AGENCY

[ECAO-CD-94-0671; FRL-4862-4]

 

Air Quality Criteria for Particulate Matter

AGENCY: Environmental Protection Agency.

ACTION: Call for information.

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SUMMARY: The Environmental Criteria and Assessment Office of Health and 
Environmental Assessment, of the U.S. Environmental Protection Agency 
(EPA) is undertaking to update and revise, where appropriate, EPA's air 
quality criteria for particulate matter (PM) under sections 108 and 109 
of the Clean Air Act.
    Since completion of the 1982 criteria document for particulate 
matter and sulfur oxides (and its 1986 addendum), EPA has continued to 
follow the scientific literature and compile information that may be 
relevant to a review of the National Ambient Air Quality Standards for 
PM. Interested parties are invited to assist EPA in developing and 
refining its scientific information base to help ensure that all 
relevant information is considered in updating the air quality criteria 
for PM. Identification of new information in the following areas will 
be particularly useful: Effects of exposure on laboratory animals and 
humans; effects on vegetation, agroecosystems (crops), and natural 
ecosystems; effects on nonbiological materials; effects on global 
climate; chemistry and physics; sources and emissions; analytical 
methodology; transformation and transport in the environment; and 
ambient concentrations.
    To be considered for inclusion in the criteria document, submitted 
information should have been published, accepted for publication, or 
presented at a public scientific meeting.

DATES: All communications and information should be submitted by June 
30, 1994, and addressed to the Project Manager for PM, Environmental 
Criteria and Assessment office (MD-52), U.S. Environmental Protection 
Agency, Research Triangle Park, NC 27711.


    Dated: April 5, 1994.
Gary J. Foley,
Acting Assistant Administrator for Research and Development.
[FR Doc. 94-8736 Filed 4-11-94; 8:45 am]
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