Combined document including 1/30/15 letter from US Interior Solicitor Hilary Tompkins to EPA General Counsel Avi Garbow; Responses to Public Comments Relating to ME's January 14, 2013 Submission to EPA for Approval of Certain of the State's New and Revised Water Quality Standards (WQS) That Would Apply in Waters Throughout Maine, Including Within Indian Territories or Lands; 2/2/15 letter from EPA Region I Administrator H. Curtis Spalding to Maine DEP Commissioner Patricia Aho; & Analysis Supporting EPA's February 2, 2015 Decision to Approve, Disapprove, and Make No Decision on, Various Maine Water Quality Standards, Including Those Applied to Waters of Indian Lands in Maine