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Workshop U.S. Nuclear Regulatory Commission Rockville, Maryland

Problem 1: Building CSMs. Workshop U.S. Nuclear Regulatory Commission Rockville, Maryland Pacific Northwest National Laboratory November 15-17, 2005. Conceptual Site Model #1. Conceptual Model #1: Step 1. Step 1: Withdrawn groundwater irrigates Ag1 to Pop1. N. Pop1. Ag1.

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Workshop U.S. Nuclear Regulatory Commission Rockville, Maryland

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  1. Problem 1: Building CSMs Workshop U.S. Nuclear Regulatory Commission Rockville, Maryland Pacific Northwest National Laboratory November 15-17, 2005

  2. Conceptual Site Model #1 2

  3. Conceptual Model #1: Step 1 Step 1: Withdrawn groundwater irrigates Ag1 to Pop1 N Pop1 Ag1 Agricultural Location Population Source 3

  4. CSM #1: Step 1 4

  5. Conceptual Model #1: Step 2 Step 1: Withdrawn groundwater irrigates Ag1 to Pop1 Step 2: Overland flow to river, which irrigates Ag1 to Pop1 N Pop1 Ag1 Agricultural Location Population Source 5

  6. CSM #1: Step 2 6

  7. Conceptual Model #1: Step 3 N • Step 1: Withdrawn groundwater • irrigates Ag1 to Pop1 • Step 2: Overland flow to • river, which irrigates Ag1 to Pop1 • Step 3: Air deposition to Ag2 to Pop1 Ag2 Pop1 Ag1 Agricultural Location Population Source 7

  8. CSM #1: Step 3 8

  9. Conceptual Model #1: Step 4 N • Step 1: Withdrawn groundwater • irrigates Ag1 to Pop1 • Step 2: Overland flow to river, which irrigates Ag1 to Pop1 • Step 3: Air deposition to Ag2 to Pop1 • Step 4: Air deposition to Ag2 to Pop1 and Pop2 Ag2 Pop1 Ag1 Pop2 Agricultural Location Population Source 9

  10. CSM #1: Step 4 10

  11. Conceptual Model #1: Step 5 N • Step 1: Withdrawn groundwater irrigates • Ag1 to Pop1 • Step 2: Overland flow to river, which irrigates Ag1 to Pop1 • Step 3: Air deposition to Ag2 to Pop1 • Step 4: Air deposition to Ag2 to Pop1 and Pop2 • Step 5: Chronic risks for Pop 2: • FG Report 11 dosimetry (ICRP 30) • FG Report 13 dosimetry (ICRP 60) Ag2 Pop1 Ag1 Pop2 Agricultural Location Source Population 11

  12. CSM #1: Step 5 12

  13. Conceptual Site Model #2 13

  14. Conceptual Model #2: Step 1 Step 1: Withdrawn groundwater irrigates Ag1 to Pop1 N Pop1 Ag1 Agricultural Location Population Source 14

  15. CSM #2: Step 1 15

  16. Conceptual Model #2: Step 2 N • Step 1: Withdrawn groundwater irrigates Ag1 to Pop1 • Step 2: Groundwater flow to river, which irrigates Ag1 to Pop1 Pop1 Ag1 Agricultural Location Population Source 16

  17. CSM#2: Step 2 17

  18. Conceptual Model #2: Step 3 N • Step 1: Withdrawn groundwater • irrigates Ag1 to Pop1 • Step 2: Overland flow to river, which irrigates Ag1 to Pop1 • Step 3: Air deposition to Ag1 to Pop1 Pop1 Ag1 Agricultural Location Population Source 18

  19. CSM #2: Step 3 19

  20. Conceptual Model #2: Step 4 N • Step 1: Withdrawn groundwater • irrigates Ag1 to Pop1 • Step 2: Overland flow to river, which irrigates Ag1 to Pop1 • Step 3: Air deposition to Ag2 to Pop1 • Step 4: Pop2 drinks river water Pop1 Ag1 Pop2 Agricultural Location Population Source 20

  21. CSM #2: Step 4 21

  22. Conceptual Site Model #3 Linking to the Sensitivity/Uncertainty Module SourceVadose ZoneAquiferCrops

  23. Sensitivity of Kd (input) on vadose zone flux (output) Conceptual Model #3: Problem 1 23

  24. CSM #3: Problem 1 24

  25. Uncertainty of vadose zone parameters (input) on aquifer concentrations (output) Conceptual Model #3: Problem 2 25

  26. CSM #3: Problem 2 26

  27. Conceptual Model #3: Problem 3 Target clean-up values for concentrations at the source (input), based on concentrations in the aquifer (output) 27

  28. CSM #3: Problem 3 28

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