Remedial Design/Remedial Action Progress Meeting

On August 27, 2024, from 9:00 am to 11:00 am, Atlantic Richfield, EPA, Butte Silver Bow County, Montana DEQ, and the Montana Natural Resource Damage Program invite the public to observe the Butte Priority Soils Operable Unit (BPSOU) Remedial Design/Remedial Action Progress Meeting (RDRA Progress Meeting) in a Teams event by computer or smart phone. Because you will be watching a working meeting, there will be no method for asking questions or making statements.

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Meeting ID: 255 244 141 172

Passcode: V7CaTm

Dial in by phone

+1 202-991-0477,,384158633# United States, Washington DC

(202) 991-0477,,384158633# United States (Toll-free)

Find a local number

Phone conference ID: 384 158 633#

This meeting may be recorded. If the meeting is recorded, it will be announced via a banner showing “this meeting is being recorded.” Participation in a recorded meeting will be deemed as consent to be recorded. Meeting recordings may be official agency records subject to appropriate policy, rules and regulations.

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General:

1. Introduction and Expectations (Mike)
2. Safety Moment (Jacobs)

Construction:

3. Lexington Wetlands (Kevin/Randy)
4. Grove Gulch (Kevin Randy)

Pre-Mobilization:

5. Casey Street Water Line (Kevin/Randy)
   1. Planning Update
   2. Anticipated Construction Start

Design and Investigation:

6. Buffalo Gulch (Gil/Scott/Emily)
   1. General Update
7. Diggings East (Joe/Ross)
   1. General Update
8. Northside Tailings (Troy/Joe)
   1. General Update
9. BPSOU Pump Station (Troy/Joe)
   1. General Update
10. Butte Reduction Works (Karen)
    1. Geotechnical Investigation
    2. Phase II Demolition
    3. General Update
11. Groundwater Remedy Optimization (Brent)
    1. Stress Test
    2. Infiltration Evaluation and Leak Detection
12. BTC Hydraulic Control (Brent)
13. Blacktail Creek Riparian Actions (Logan/Daryl)
14. Copper Mountain (Emily)

Planning:

15. SBCCA Program Plans (Tim/Josh)
    1. Technical Specifications
    2. CQAP/CMQAPP
    3. Materials Management Plan
    4. OM&M Plan
    5. Greener Clean-Ups
16. Repository (Josh)
    1. Materials Management Plan
    2. RSS Technical Evaluations and Recommendations Report
    3. Investigation Activities

Other:

17. Restoration Activities
18. Community Engagement
19. Round Table