[Federal Register Volume 77, Number 50 (Wednesday, March 14, 2012)]
[Page 15099]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2012-6051]



[EPA-HQ-OPP-2009-0879; FRL-9341-4]

Exposure Modeling Public Meeting; Notice of Public Meeting

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice.


SUMMARY: An Exposure Modeling Public Meeting (EMPM) will be held for 
one day on March 20, 2012. This notice announces the location and time 
for the meeting and sets forth the tentative agenda topics.

DATES: The meeting will be held on March 20, 2012, from 9 a.m. to 4 
p.m. Requests to participate in the meeting must be received on or 
before March 19, 2012.
    To request accommodation of a disability, please contact the person 
listed under FOR FURTHER INFORMATON CONTACT, preferably at least 5 days 
prior to the meeting, to give EPA as much time as possible to process 
your request.

ADDRESSES: The meeting will be held at the Environmental Protection 
Agency, Office of Pesticide Programs (OPP), One Potomac Yard (South 
Building), Fourth Floor Conference Center (S-4370-80), 2777 S. Crystal 
Drive, Arlington, VA 22202.

FOR FURTHER INFORMATION CONTACT: Katrina White, Environmental Fate and 
Effects Division (7507P), Office of Pesticide Programs, Environmental 
Protection Agency, 1200 Pennsylvania Ave. NW., Washington, DC 20460-
0001; telephone number: (703) 308-4536; fax number: (703) 305-6309; 
email address: white.katrina@epa.gov.


I. General Information

A. Does this action apply to me?

    You may be potentially affected by this action if you are required 
to conduct testing of chemical substances under the Toxic Substances 
Control Act, the Federal Food, Drug, and Cosmetic Act, or the Federal 
Insecticide, Fungicide, and Rodenticide Act. 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 

B. How can I get copies of this document and other related information?

    EPA has established a docket for this action under docket ID number 
EPA-HQ-OPP-2009-0879. Publicly available docket materials are available 
either in the electronic docket at http://www.regulations.gov, or, if 
only available in hard copy, at the Office of Pesticide Programs (OPP) 
Regulatory Public Docket in Rm. S-4400, One Potomac Yard (South Bldg.), 
2777 S. Crystal Dr., Arlington, VA. The hours of operation of this 
Docket Facility are from 8:30 a.m. to 4 p.m., Monday through Friday, 
excluding legal holidays. The Docket Facility telephone number is (703) 

II. Background

    On a biannual interval, an EMPM will be held for presentation and 
discussion of current issues related to modeling pesticide fate, 
transport, and exposure of risk assessment in a regulatory context. 
Meeting dates and abstract requests are announced through the 
``empmlist'' forum on the LYRIS list server at: https://lists.epa.gov/read/all_forums/.

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. Do not submit any 
information in your request that is considered Confidential Business 
Information. Requests to participate in the meeting, identified by 
docket ID number EPA-HQ-OPP-2009-0879, must be received on or before 
March 19, 2012.

IV. Tentative Topics for the Meeting

     North American Free Trade Agreement Guidance for 
Calculating Degradation Kinetics in Environmental Media
     Pesticide Root Zone Model--Ground Water (PRZM-GW) Update
     Measuring and Estimating Concentrations in Drinking Water: 
A Historical Perspective
     Improved Characterization of the Temporal and Spatial 
Variability of Potential Surface Water Drinking Water Exposure by Using 
Environmental and Historic Monitoring Databases
     Estimating Upper Centrile Pesticide Concentrations and 
Sample Size Requirement
     Estimation of Upper Percentiles of Chlorpyrifos Surface 
Water Concentration from Yearly Monitoring Program Data
     Sampling Plans for Water Quality Assessment
     Update on Development of Drinking Water Intake Watershed 
     Exposure Assessment for Pronamide Drinking Water Residues 
in California Central Coast Lettuce Production Areas
     Hybrid PRZM: ``Filling in the Gaps'' in Field Sampling 
Data Using Realistic Simulation Modeling

List of Subjects

    Environmental protection, Degradation kinetics, Exposure 
assessment, Pesticide models, Pronamide, PRZM, Watershed PCAs.

    Dated: March 7, 2012.
D.J. Brady,
Director, Environmental Fate and Effects Division, Office of Pesticide 
[FR Doc. 2012-6051 Filed 3-13-12; 8:45 am]