Supporting document added by ECCC NEEC LTa Additional information received via email on 2021-10-31 at 13:25 from Connor Devereaux | Environmental Superintendent | Mary River Mine Site | T: +1 647 253 0596 x6016 | C: +1 647 456 9067. Spill report updated by ECCC NEEC LTa. Hello, Please find the attached follow-up report pertaining to NT-NU Spill # 21-423. Should you have any questions or concerns, please do not hesitate to contact Allison Parker at ext. 6174 or the undersigned.