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National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances; Notice of Public Meeting

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Environmental Protection Agency (EPA).




A meeting of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances (NAC/AEGL Committee) will be held on April 14-16, 2009, in Alexandria, VA. At this meeting, the NAC/AEGL Committee will address, as time permits, the various aspects of the acute toxicity and the development of Acute Exposure Guideline Levels (AEGLs) for the following chemicals: Acrylonitrile, aldicarb, arsenic pentoxide, arsenic trichloride, calcium cyanide, carbofuran, diacetylmorphine, fluoroacetate salts, methomyl, methyl fluoroacetate, methyl iodide, methoxyethylmercuric acetate, monofluoroacetic acid, oxamyl, paraquat, perchloryl fluoride, perfluoroisobutylene, phencyclidine, phosgene, phosgene oxime, potassium cyanide, sodium cyanide, sodium fluoroacetate, tellurium hexafluoride, tetraethylpyrophosphate, tetramethylenedisulfotetramine, 1,1,1-trichloroethylene, and tungsten hexafluoride.


A meeting of the NAC/AEGL Committee will be held from 10 a.m. to 5 p.m. on April 14, 2009; from 8:30 a.m. to 5:30 p.m. on April 15, 2009; and from 8 a.m. to 12:30 p.m. on April 16, 2009.


The meeting will be held at the Hilton Old Town Alexandria, 1767 King Street, Alexandria, VA.

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Paul S. Tobin, Designated Federal Officer (DFO), Risk Assessment Division (7403M), Office of Pollution Prevention and Toxics, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001; telephone number: (202) 564-8557; e-mail address:

To request accommodation of a disability, please contact the DFO preferably at least 10 days prior to the meeting, to give EPA as much time as possible to process your request.

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I. General Information

A. Does this Action Apply to Me?

This action is directed to the public in general. This action may be of particular interest to anyone who may be affected if the AEGL values are adopted by government agencies for emergency planning, prevention, or response programs, such as EPA's Risk Management Program under the Clean Air Act and Amendments Section 112r. It is possible that other Federal agencies besides EPA, as well as State agencies and private organizations, may adopt the AEGL values for their programs. As such, the Agency has not attempted to describe all the specific entities that may be affected by this action. If you have any questions regarding the applicability of this action to a particular entity, consult the person listed under FOR FURTHER INFORMATION CONTACT.

B. How Can I Get Copies of this Document and Other Related Information?

1. Docket. EPA has established a docket for this action under docket identification (ID) number EPA-HQ-OPPT-2009-0096. All documents in the docket are listed in the docket index available at Although listed in the index, some information is not publicly available, e.g., Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, will be publicly available only in hard copy. Publicly available docket materials are available electronically at, or, if only available in hard copy, at the OPPT Docket. The OPPT Docket is located in the EPA Docket Center (EPA/DC) at Rm. 3334, EPA West Bldg., 1301 Constitution Ave., NW., Washington, DC. The EPA/DC Public Reading Room hours of operation are 8:30 a.m. to 4:30 p.m., Monday through Friday, excluding Federal holidays. The telephone number of the EPA/DC Public Reading Room is (202) 566-1744, and the telephone number for the OPPT Docket is (202) 566-0280. Docket visitors are required to show photographic identification, pass through a metal detector, and sign the EPA visitor log. All visitor bags are processed through an X-ray machine and subject to search. Visitors will be provided an EPA/DC badge that must be visible at all times in the building and returned upon departure.

2. Electronic access. You may access this Federal Register document electronically through the EPA Internet under the “Federal Register” listings at​fedrgstr.

II. Meeting Procedures

For additional information on the scheduled meeting, the agenda of the NAC/AEGL Committee, or the submission of information on chemicals to be discussed at the meeting, contact the DFO.

The meeting of the NAC/AEGL Committee will be open to the public. Oral presentations or statements by interested parties will be limited to 10 minutes. Interested parties are encouraged to contact the DFO to schedule presentations before the NAC/AEGL Committee. Since seating for outside observers may be limited, those wishing to attend the meeting as observers are also encouraged to contact the DFO at the earliest possible date to ensure adequate seating arrangements. Inquiries regarding oral presentations and the submission of written statements or chemical-specific information should be directed to the DFO.

III. Future Meetings

Another meeting of the NAC/AEGL Committee is scheduled for September 9-11, 2009. Chemicals currently being considered for AEGL development at this meeting include the following: Cadmium, dichlorvos, dicrotophos, dimethyl phosphite, fenamiphos, lead, methamidophos, mevinphos, monocrotophos, phosphamidon, red phosphorus, and trimethylphosphite.

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List of Subjects

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Dated: March 20, 2009.

Barbara Cunningham,

Acting Director, Office of Pollution Prevention and Toxics.

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[FR Doc. E9-6761 Filed 3-25-09; 8:45 am]