Ending landfill post-closure a rational approach to ...

Ending landfill post-closure ¨C

a rational approach to facility

end-of-life care

Remediation Technologies Symposium

October 2019

Overview

? Landfill life cycle

? Approaches to landfill post-closure

? Overview of landfill functional stability

? Data collection requirements and

assessment

? Links to outcome-based closure for other

facilities

Fundamental objectives

? Alberta contaminated sites framework is

based on three fundamentals

? Pollution prevention

? Health protection

? Productive use

? Reasonable fundamentals for landfill

post-closure

Groundwater and Subsurface

Gas Monitoring Wells

Leachate

Collection

Sump

Final Cap

op

Sl

e

Active Cell

Gas Flare

Run-off Ditches

Road

Intermediate Cover

Scale and

Scale House

Future Cells

Stockpile

Area

Surface Water Pond

contain, test, release

Vegetative

Screening

Sanitary

Sewer

Treatment Facility

Fence

Road

Off-Site Surface Water

Figure 1: Typical Site - Operational Period

Groundwater and Subsurface

Gas Monitoring Wells

Buffer &

Setback Area

Land?ll gas lines

Leachate

Collection

Sump

Road

Gas Flare

Run-off Ditches

Final Cap

Sanitary

Sewer

Surface Water Pond

contain, test, release

Vegetative

Screening

Treatment Facility

Fence

Road

Off-Site Surface Water

Figure 2: Typical Site - Post Closure Period

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