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MSW landfill k-value calculation : best management practice

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This document outlines the best management practices for municipal solid waste (MSW) landfill site-specific K-value calculation. The specifications for K-value calculation as a function of... More ≫

Description

This document outlines the best management practices for municipal solid waste (MSW) landfill site-specific K-value calculation. The specifications for K-value calculation as a function of landfill methane flows are recommended.

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Landfill gas migration to Rundle Park Golf Course Clubhouse, Edmonton

Description

A subsurface investigation at a reclaimed sanitary landfill in Edmonton (Beverly) has revealed that combustible gases entering a golf course structure are generated from decomposing garbage in the... More ≫

Description

A subsurface investigation at a reclaimed sanitary landfill in Edmonton (Beverly) has revealed that combustible gases entering a golf course structure are generated from decomposing garbage in the old landfill. Gases containing methane up to a maximum of 83% by volume are present in the subsurface adjacent to the structure. A ventilation system beneath the building maintains the methane concentration at less than 50% of the lower explosive limit (2.5 volume percent). The atmosphere beneath the structure is monitored continuously for combustible gases; an automatic alarm system will be activated should methane concentration exceed 50% of the explosive rate. Based on the results of this investigation, it is apparent that a large reservoir of combustible gas is present within the reclaimed landfill site. It is probable that the methane monitoring/warning system, and the ventilation system must remain operative for a period in the order of 50 years or more.

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