air quality

DEQ Approves Omission of Fabric Filter Dust Collector in New Air Quality Permit and Other Mining Updates

Last Friday, June 28, 2013, the DEQ announced their decision to approve a new Air Quality Permit for modifications to Eagle Mine. The modifications include: constructing the single Main Ventilation Air Raise (MVAR) without a bag house fabric filter dust collector, moving the ore-crusher from the mine to the mill in Humboldt, and adding an […]

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Rio Tinto Eagle Mine highly criticized at Public Hearing for Air Quality Permit

The informational session and public hearing about Rio Tinto’s latest Permit to Install (PTI) application for proposed modifications to the Eagle Project brought attention to concerns about air quality, the environment and public health last night. Almost all of the attendees who spoke at the hearing were against the permit modifications.

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Air Pollution Comment Period and Public Hearing

The Michigan Department of Environmental Quality Air Quality Division is looking at a new Permit to Install (PTI) application from Rio Tinto for operations at Eagle Mine on the Yellow Dog Plains. Rio Tinto believes that due to the reconfiguring of their plant and the move of the original underground cement batch plant and associated

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