Re-imagining KennecoE: RemediaCon and Maintenance Douglas Bacon State - PowerPoint PPT Presentation

Re-imagining KennecoE: RemediaCon and Maintenance Douglas Bacon State Of Utah Dept. Of Environmental Quality Project Manager - KennecoJ ITRC – State Engagement Coordinator & Utah’s Point of Contact 1

KennecoE Response AcCon – Overview General South Zone AcCons: • ExcavaCon and removal of contaminated soil and solid mine waste from residenCal, commercial and other sensiCve locaCons. • ExtracCon, treatment, management of impacted groundwater. General North Zone cleanup: • ExcavaCon and removal of contaminated soil and solid mine waste from accessible locaCons and during facility replacement or demoliCon. • ExcavaCon and removal of contaminate soils and solid mine waste from ecologically sensiCve areas. • Monitor natural aEenuaCon and surface capture of groundwater. • Wetlands monitoring including biological, water Bingham Canyon Mine (Source: Rio Tinto Kenneco1) and sediment sampling. Ongoing re-assessment of remedy performance 2

KennecoE North Zone 3

North Zone RemediaCon Consolidate, Cap, and ExcavaHon & Removal OperaHonal Compliance with State Permits Monitor (Source: UDEQ) (Source: UDEQ) (Source: UDEQ) DemoliHon and Soil Source Control - Habitat Source Assessment Management Management (Source: UDEQ) 4 (Source: UDEQ) (Source: UDEQ)

North Zone RemediaCon Success PreservaHon of Habitat (Source: UDEQ) RevitalizaHon of wetlands in the RevitalizaHon of Range Habitat North Zone (Source: UDEQ) 5 (Source: Rio Tinto Kenneco1)

KennecoE South Zone Overview 6

South Zone RemediaCon – General Solids Strategies • ExcavaCon and Removal • Capping • Re-grading / Land Bingham Creek Removal AcHon, 1995-1997 (Source: RTKC) Contouring • InsCtuConal Controls Lark Tailings ReclamaHon AcHon, 1995 – 1997 (Source: RTKC) 7

South Zone RemediaCon – General Groundwater Strategies Reverse Osmosis Treatment System (Source: UDEQ) Source Control Measures – CollecHon Management of Extracted Core Waters System Cut-off walls (Source: UDEQ) 8 (Source: UDEQ)

Daybreak – Master Planned Community Daybreak 9

Daybreak Soil Management – Ongoing Efforts Daybreak, 2006-07 (Source: Kenneco1) South Jordan EvaporaHon Ponds, South Jordan EvaporaHon Ponds, 1994-95 1996 (Source: Kenneco1) (Source: Kenneco1) Near BasHan Sink Bingham Creek (OU1) Channel Mid Jordan Trax Line (Source: UDEQ) 10 Trail (Source: UDEQ) (Source: EPA)

For More InformaCon, Contact Douglas Bacon State of Utah Dept. Environmental Quality Project Manager - KennecoJ ITRC – State Engagement Coordinator & Utah’s Point of Contact Phone: 801-536-4282 Email: dbacon@utah.gov 11