[Federal Register Volume 68, Number 188 (Monday, September 29, 2003)]
[Notices]
[Pages 55951-55952]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 03-24618]


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ENVIRONMENTAL PROTECTION AGENCY

[OPP-2003-0334; FRL-7326-8]


Exposure Modeling Work Group; Notice of Public Meeting

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice.

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SUMMARY: The Exposure Modeling Work Group (EMWG) will hold a 1-day 
meeting on September 30, 2003. This notice announces the location and 
time for the meeting and sets forth the tentative agenda topics.

DATES: The meeting will be held on September 30, 2003, from 9 a.m. to 3 
p.m.

ADDRESSES: The meeting will be held at the Environmental Protection 
Agency, Office of Pesticide Programs (OPP), Crystal Mall 2, 
Room 1126 (Fishbowl), 1921 Jefferson Davis Hwy., Arlington, VA 22202.

FOR FURTHER INFORMATION CONTACT: Michael R. Barrett, Environmental Fate 
and Effects Division (7507C), Office of Pesticide Programs, 
Environmental

[[Page 55952]]

Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-
0001; telephone number: (703) 305-6391; fax number: (703) 308-6309; e-
mail address: [email protected].

SUPPLEMENTARY INFORMATION:

I. General Information

A. Does this Action Apply to Me?

    This action is directed to the public in general, and may be of 
particular interest to those persons who are or may be required to 
conduct testing of chemical substances under the Toxic Substances 
Control Act (TSCA), the Federal, Food, Drug, and Cosmetic Act (FFDCA), 
or the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). 
Since other entities may also be interested, 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 an official public docket for this 
action under docket identification (ID) number OPP-2003-0334. The 
official public docket consists of the documents specifically 
referenced in this action, any public comments received, and other 
information related to this action. Although a part of the official 
docket, the public docket does not include Confidential Business 
Information (CBI) or other information whose disclosure is restricted 
by statute. The official public docket is the collection of materials 
that is available for public viewing at the Public Information and 
Records Integrity Branch (PIRIB), Rm. 119, Crystal Mall 2, 
1921 Jefferson Davis Hwy., Arlington, VA. This docket facility is open 
from 8:30 a.m. to 4 p.m., Monday through Friday, excluding legal 
holidays. The docket telephone number is (703) 305-5805.
    2. Electronic access. You may access this Federal Register document 
electronically through the EPA Internet under the ``Federal Register'' 
listings at http://www.epa.gov/fedrgstr/.
    An electronic version of the public docket is available through 
EPA's electronic public docket and comment system, EPA Dockets. You may 
use EPA Dockets at http://www.epa.gov/edocket/ to view public comments, 
access the index listing of the contents of the official public docket, 
and to access those documents in the public docket that are available 
electronically. Although not all docket materials may be available 
electronically, you may still access any of the publicly available 
docket materials through the docket facility identified in Unit I.B.1. 
Once in the system, select ``search,'' then key in the appropriate 
docket ID number.

II. Background

    On a quarterly interval, the Exposure Modeling Workgroup meets to 
discuss current issues in modeling pesticide fate, transport, and 
exposure to pesticides in support of risk assessment in a regulatory 
context.

III. How Can I Request to Participate in this Meeting?

    You may submit a request to participate in this meeting to the 
person listed under FOR FURTHER INFORMATION CONTACT.

IV. Tentative Agenda

    1. Welcome and introductions.
    2. Old action items.
    3. Brief updates.
    [sbull] European Union Activities.
    [sbull] U.S. Department of Agriculture/Agricultural Research 
Service (USDA/ARS) Pesticide Properties Database.
    [sbull] Pesticide Root Zone Model/Exposure Analysis Modeling System 
(PRZM/EXAMS) Model.
    [sbull] Rice modeling.
    [sbull] Watershed Regression for Pesticides (WARP) model.
    [sbull] Spray Drift Task Force progress.
    [sbull] AgDrift EPA review.
    [sbull] EXAMINER.
    [sbull] EXPRESS shell update.
    [sbull] Pesticide Leaching U.S. (PLUS).
    [sbull] Cumulative and Aggregate Risk Evaluation System (CARES).
    [sbull] Drinking water exposure estimates for dietary risk.
    [sbull] Environmental Fate and Effects Division (EFED) water 
quality projects.
    [sbull] Perspective Groundwater (PGW) Database.
    [sbull] EFED current issues in environmental fate for modeling.
    4. Major Topics.
Morning Session
    [sbull] Update on Tier II Ground Water Project.
    [sbull] Progress in development of a user friendly pesticide 
environmental fate database to support risk assessments.
    [sbull] Performance of PRZM in estimating pesticide leaching under 
different environmental conditions.
    [sbull] EUFRAM: Developing a framework for probabilistic risk 
assesment of the environmental impact of pesticides.
Afternoon Session
    [sbull] A novel method to extrapolate pesticide water monitoring 
data to estimate exposure.
    [sbull] Using WARP model predictions and climatic time series data 
to simulate daily.
    [sbull] Pesticide concentrations.
    [sbull] Hybrid model approach to FQPA drinking water assessment: 
Methods for estimating daily time step exposure to pesticides using 
modeling informed by monitoring.

List of Subjects

    Environmental protection, Modeling, Pesticides and pests.


    Dated: September 24, 2003.
Steven Bradbury,
Director, Environmental Fate and Effects Division, Office of Pesticide 
Programs.
[FR Doc. 03-24618 Filed 9-24-03; 3:23 pm]
BILLING CODE 6560-50-S