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Constituent Degradation Chain Editor Workshop at U.S. Nuclear Regulatory Commission

Learn to construct site-specific degradation chains for chemicals like TCE, 1,1-DCE, and VC. Use the Database Editor to manage constituent properties and degradation products effectively.

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Constituent Degradation Chain Editor Workshop at U.S. Nuclear Regulatory Commission

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  1. EXAMPLEFRAMES ConstituentDatabase Editor (CDBE): Creating/Editing a Progeny Chain FRAMES-2.0 Workshop U.S. Nuclear Regulatory Commission Bethesda, Maryland November 15-16, 2007 Pacific Northwest National Laboratory Richland, Washington

  2. Purpose • Construct/Design site-specific, constituent degradation/decay chains • Illustrated the construction of TCE 1,1-DCE VC 2

  3. Open an Existing Constituent Database(outside of FRAMES) Two Options (choose one): • Use the Windows Start button • Start • All Programs • FRAMES • Launch Constituent Editor • Run C:\FramesV1\ContSel.exe 3

  4. 3 1 • Database Editor User Interface appears • Choose File and Open • Choose an Exiting database: FUI_TCE.mdb 2 4

  5. Do not select Constituents of Concern; first, choose Edit Constituent Properties 1 5 3 2 4 • Lists Constituents in Database • Identification: Identifies Constituent, and controls its disposition. • Properties: Provides physical/chemical properties of chemical • Degradation Products: Creates/Edits degradation chain of chemical. • Degradation Chain: Provides a summary of the degradation chain 5

  6. Chemicals are listed alphabetically. • CASID numbers are listed in numerical order. • The highlighted chemical name does • NOT necessarily correspond to the • highlighted CASID. 1 2 6

  7. Straight Degradation Chain 7

  8. Parent Chemical: TCE • TCE Progeny: 1,1-DCE (100%) • Parent Chemical: 1,1-DCE • 1,1-DCE Progeny: VC 1 2 3 4 8

  9. 1. Summary of Degradation Chain (straight chain degradation) 2. New progeny listing under Select Constituents of Concern 3. Save FUI_TCE.mdb 1 Same 2 3 9

  10. To remove the progeny chain, choose <none>. 10

  11. Branching Degradation Chain 11

  12. BranchingDegradationChain A 1 2 B C • A. TCE branches to • 1,2-Dichloroethylene trans (78%) • 1,1-Dichloroethylene (22%) • B. 1,2-Dichloroethylene trans degrades to VC • C. 1,1-Dichloroethylene degrades to VC 12

  13. 1 2 Under the Degradation Chain tab: 1. Straight Degradation identifies the predominate degradation chain 2. Branch Degradation identifies all chains 13

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