Draft Health Assessment Document for Diesel Emissions

ENVIRONMENTAL PROTECTION AGENCY

[FRL-6514-2]

Draft Health Assessment Document for Diesel Emissions

AGENCY: Environmental Protection Agency.

ACTION: Notice of extension of public comment period.

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SUMMARY: The U.S. Environmental Protection Agency (EPA) is announcing

the extension of the public comment period for the draft Health

Assessment Document for Diesel Emissions (EPA/600/8-90/057D, November

1999). The document was prepared by the National Center for

Environmental Assessment Office (NCEA) within EPA's Office of Research

and Development.

DATES: In the November 15, 1999, Federal Register (64 FR 61875), EPA

announced a limited public comment period through December 17, 1999.

The Agency is now extending the public comment period to January 28,

2000. Comments must be in writing and must be postmarked by January 28,

2000.

ADDRESSES: The draft document is available on the Internet at http://

www.epa.gov/ncea under the What's New and Publications menus. A limited

number of paper copies are available from the Technical Information

Staff, (telephone: 202-564-3261; facsimile: 202-565-0050). If you are

requesting a paper copy, please provide your name, mailing address, and

the title and number for the draft: ``Health Assessment Document for

Diesel Emissions'' (EPA/600/8-90/057D, November 1999).

Comments may be mailed to: Diesel Comments, NCEA-W/TIS (8623D),

USEPA, Washington, DC 20460. Please submit one unbound original with

pages numbered consecutively, and three copies. For attachments,

provide an index, number pages consecutively with the comments, and

submit an unbound original and three copies. If sent via overnight

delivery, please use the following address: 808 17th St., 5th Floor,

N.W., Washington, DC 20006. Please note that all technical comments

received in response to this notice will be placed in a public record.

For that reason, commenters should not submit personal information

(such as medical data or home address), Confidential Business

Information, or information protected by copyright. Due to limited

resources, acknowledgments will not be sent.

FOR FURTHER INFORMATION CONTACT: For information contact Charles Ris

(202-564-3203); mailing address: NCEA-W (8623D), USEPA, Washington, DC

20460; facsimile: 202-565-0078.

SUPPLEMENTARY INFORMATION: This revised draft assessment updates two

earlier drafts (1998 and 1994) and focuses on health hazards (hazard

identification and dose-response analysis for the purpose of

characterizing the risk of diesel exhaust exposure), and also provides

background information about diesel engine emissions and exposure that

is useful for putting the health information into context. EPA risk

assessment methods and practices have been followed in identifying

possible human chronic health hazards for adverse

[[Page 71752]]

noncancer effects as well as carcinogenicity hazards. The Diesel Review

Panel of the Clean Air Scientific Advisory Committee (CASAC) of the

Science Advisory Board met on December 1, 1999, to review this draft

Health Assessment Document for Diesel Emissions.

Dated: December 15, 1999.

William H. Farland,

Director, National Center for Environmental Assessment.

[FR Doc. 99-33157 Filed 12-21-99; 8:45 am]

BILLING CODE 6560-50-P