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Published on: 2 Jan 2013 By (Dianne Saxe)

New rules for boreholes and other test wells

The Ministry of the Environment is seeking public comment on a draft manual on test holes and dewatering wells. A “test hole” is a type of “well” that is made to obtain information about groundwater, and is not used or intended for use as a source of water for consumption. It includes virtua…

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Published on: 15 Aug 2011 By (Dianne Saxe)

Major changes proposed for shale gas fracking

Advisors to US Energy Secretary, Stephen Chu, have recommended major changes to improve regulation and environmental performance of shale gas fracturing (fracking) in the US.  Public consultation is continuing, and the final report will be released in November. Canadian regulators should be …

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Published on: 12 Oct 2010 By (Dianne Saxe)

Hungarian sludge spill and our tailings ponds

The Hungarian sludge spill disaster is just another reminder of the large scale havoc and devastation that industrial sludge impoundments can create. Every few years we read about another one. On April 25, 1998, a tailings dam failure of the Los Frailes lead-zinc mine at Aznalcóllar near Sev…

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