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Agenda of the July 21, 2005 Exposure Modeling Public Meeting

Room 1126 Crystal Mall 2
1801 S. Bell St.
Arlington, VA 22202

  1. Welcome and Introductions

  2. Old Action Items (9:00 - 9:15)

  3. Brief Updates (9:15 - 9:45)

    • PRZM3.12.2 Evaluation (J. Hetrick)

    • EXPRESS (R. Parker)

    • EFED's Modeling Scenarios (M. Corbin)

    • Spray Drift Update (N. Birchfield)

    • Carbamate Cumulative (N. Thurman)

  4. Major Topics

Morning Session

9:45 - 10:30
Coupled Watershed - Instream Sediment and Contaminant Transport and Fate Modeling System (Earl Hayter, EPA/ORD-NERL)

10:30 - 11:00
Factors Influencing Erosion in PRZM Modeling (Mark Corbin, EPA/OPP-EFED)

11:00 - 11:15
Break

11:15 - 12:00
Issues Associated with Estimating Slope Length Factor for GIS-based Sediment Erosion Modeling (Scott Jackson, BASF and Paul Hendley, Syngenta)

12:00 - 1:00
Lunch Break

Afternoon Session

1:00 - 1:30
Uncalibrated Modeling of Conservative Tracer and Pesticide Leaching to Ground Water using the Root Zone Water Quality Model (RZWQM) (Garey Fox, University of Mississippi)

1:30 - 2:00
Modeling Sediment Transport at Field and Watershed Scales (Carrie Graff, ARS-Beltsville)

2:00 - 2:15
Break

2:15 - 2:45
Multivariate Analysis of Paired Watershed Data to Evaluate Agricultural BMP Effects on Stream Water P (W. Dean Hively, USDA-ARS)

2:45 - 3:00
Wrap-Up: Next Meeting (M. Echeverria)

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