Good information
I would suggest that you call this fellow and pose the question
I am sure he would know the answer
Shane Uren, M.A.Sc., R.P. Bio,
Position: Vice President Environment and Permitting
Mr. Uren is a Registered Professional Biologist in British Columbia who brings with him 10 years of environmental consulting experience in Canada and overseas. His experience includes environmental assessments for BHP Billiton's Ekati Diamond Mine, Cambior's Rosebel Mine, Inco Ltd.'s Goro Project, Novagold's Galore Creek Project and Thompson Creek Metal's Davidson Project. Mr. Uren has considerable experience in the management of environmental assessments of mining projects in British Columbia.