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Agenda of the January 11, 2005 Exposure Modeling Public Meeting

Room 1123 Crystal Mall 2
1801 Bell St.
Arlington, VA 22202

  1. Welcome and Introductions (9:00 - 9:05)

  2. Old Action Items (9:05 - 9:15)

  3. Brief Updates (9:15 - 9:50)

    • PRZM3.12.2 Evaluation (J. Hetrick)

    • EXPRESS (R. Parker)

    • Review of Public Comments on EFED's Modeling Scenarios (R. Parker)

    • Spray Drift Update (N. Birchfield)

    • Release of PGW Guidance Document (B. Behl)

  4. Major Topics

Morning Session

9:50 - 10:50
PRZM Diary -- Silk purse or sow's ear? Comparing the predicted occurrence of atrazine in the vadose zone (PRZM3) with observed detections in shallow ground water across the United States (NAWQA) (J. Barbash, USGS)

10:50 - 11:10
Break

11:10 - 12:00
Comparison of LEACHM and PRZM Modeling to Field Data: Effect of Evaporation Simulation on Water Balance and Pesticide Movement (J.Triano, CDPR)

12:00 - 1:00
Lunch Break

Afternoon Session

1:00 - 1:50
Root Zone Water Quality Model (RZWQM): Brief Overview and Case Study (D. Wauchope, S. Cohen, Q. Ma)

1:50 - 2:05
Groundwater Modeling for Carbamate Cumulative Assessment (N. Thurman, D. Young)

2:05 - 2:20
Break

2:20 - 2:45
User-friendly CXTFIT2 Model to Estimate Setback Distances (T. Estes)

2:45 - 3:00
Wrap-Up: Next Meeting (R. Parker)

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