VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 01/22/13 -- Canadian Zinc Corporation (TSX: CZN)(OTCQB: CZICF) ("the Company" or "Canadian Zinc") is pleased to report that on January 18th, 2013 the Company filed its' written Responses to the Interventions previously submitted to the Mackenzie Valley Land and Water Board by various government departments and other parties on January 11, 2013 in reference to the Company's application for a Water Licence for the operation of the Prairie Creek Mine in the Northwest Territories.
The permitting process is being conducted by the Mackenzie Valley Land and Water Board ("MVLWB" or the "Board"), and the Response submission is the last document to be filed prior to the upcoming Public Hearing scheduled for the end of January.
Written Interventions were filed on January 11, 2013 by Aboriginal Affairs and Northern Development Canada ("AANDC"), Parks Canada, Nah?a Dehe Dene Band, Canadian Parks and Wilderness Society, and a Joint Intervention by Fisheries and Oceans Canada and Environment Canada. Most of the Interventions relate to water management and include many recommendations made by the various government departments.
The main purpose of a Water Licence is to regulate the discharge of water to the environment via the application of licence terms and conditions and the establishment of effluent quality criteria ("EQC"). In its responses, filed January 18, 2013, Canadian Zinc reiterated its proposals and recommendations with regard to regulating the discharge of water into the environment.
CZN has proposed a water management plan that includes real-time flow monitoring of the Prairie Creek stream, and discharge of treated mine water and treated process water according to a 'load-based' approach. In this approach, the volume and the blend of discharge (comprised of treated mine water and treated process water) are varied according to the actual flow volumes in the receiving stream. In so doing, site-specific water quality objectives can be met, and there is no significant negative impact on the receiving environment (see Canadian Zinc press release January 8, 2013).
CZN has proposed Site Specific Water Quality Objectives ("SSWQO") that have been derived from studies carried out according to the Framework process presented to the Mackenzie Valley Environmental Impact Review Board prior to the conclusion of the Environmental Assessment (EA0809-002) in 2011 and ecological risk assessments (ERA) filed October 2012 and a recent ERA addendum. CZN's proposed SSWQO take into account the proposed implementation of the optimal additional water storage option, and the best enhanced process water treatment option.
The SSWQO proposed by CZN are all consistent with the Guidelines adopted by the Canadian Council of Ministers of the Environment (CCME), with many well below (better), a few equal to the Guidelines. In its Report of Environment Assessment and Reason for Decisions, issued in December 2011 the Mackenzie Valley Environmental Impact Review Board noted that use of the CCME Guidelines has been the most commonly used approach in the regulation of mining effluent in the Northwest Territories and Canada and is generally accepted as a highly protective approach.
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