With regard to the Mount Polley mine spill: (a) has the Department of Fisheries and Oceans (DFO) or Environment Canada filed charges regarding the spill, (i) if so, what are the details of the charges, (ii) if not, why not; (b) what role are DFO and Environment Canada playing in the ongoing investigation being led by British Columbia conservation officers; (c) are DFO and Environment Canada reviewing the rehabilitation plan developed by Imperial Metals Corporation, (i) if so, what are the findings of any such review, (ii) if not, why not; (d) has the government obtained the approval of the Secwepemc people for the investigation process or the review of the rehabilitation plan; (e) has the government studied the impact of the waste that remains in the Hazeltine Creek and Quesnel Lake Watershed; (f) during and following the rehabilitation process, how will DFO and Environment Canada ensure that there are no ongoing violations of the Fisheries Act; (g) how is the government monitoring and enforcing compliance with best practice standards by Imperial Metals Corporation at its other mine sites; (h) how will the government ensure that there are additional layers of control to prevent loopholes in regulatory oversight and enforcement by the province; (i) will the government be examining any proposals concerning (i) repairs to the tailings storage facility, (ii) the resumption of operations at the mine; (j) how will the government ensure that the interests of the affected First Nations are addressed prior to any resumption of operation; (k) what steps will the government take to ensure that First Nation rights are addressed; and (l) what are the internal tracking numbers of all documents, communications or briefing notes regarding the Mount Polley spill for senior departmental officials at the Regional Director General level and above, at both DFO and Environment Canada?