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Appendix F - Detailed Description of Alternative 3: DoEIRL-2001-11<br />

Entombment with Internal Waste Disposal Rev. pi Diuft<br />

Redlinc/Strikeout<br />

ATTACHMENT Fl - FUNCTIONAL HIERARCIIY<br />

1<br />

2 F3 CLOSE THE COMPLEX<br />

3 F3.1 Construct Environmental Cap<br />

4 F.3.1.1 Construct engineered barrier<br />

5 F.3.1.2 Place erosion protection layer on 3:1 fill slopes<br />

6 P.3.1.3 Stability Analysis of Environmental Cap<br />

7 F3.2 Revegelate site<br />

8 P.3.2.1 Prepare all disturbed areas and engineered barrier for seeding<br />

9 P.3.2.2 Apply approved seed mix and soil fixative<br />

10 F33 Pick up and elean the complex<br />

11 P.3.3.1 Remove excess equipment and materials<br />

12 F.33.2 Conduct final walkdown<br />

13 F3A Sustain Post Closure<br />

14 K3.4.1 Establish institutional controls<br />

15 F3.4.1.1 Establish access restrictions<br />

16 F.3.4.1.2 Establish deed restrictions<br />

17 R3.4.1.3 Establish restrictions on use of the complex<br />

18 F.3.4.2 Maintain monitoring system<br />

19 F.3.4.2.1 Monitorgroundwater<br />

20 F.3.4.2.2 Monitor neutron probes below engineered barrier<br />

21 F.3.4.2.3 Periodically inspect barrier for erosion & settlement<br />

22<br />

Final Fearibiliry Smdyjor the Canyon Ditpotiulan Iniliarive (ZYI-U Facility)<br />

J unc +0(ri F-33

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