Bay Spring Realty Company Rev. 4/2/18 90 Bay Spring Avenue, Barrington Hazardous Material Release Notification Package 5/17/2013 Letter of Responsibility 5/24/2013 Notification to Abutters 3/26/2014 Notification to Abutters 5/16/2014 Site Investigation Report 11/24/2014 Site Investigation Report Comments and Proposed Sampling Plan 6/11/15 Site Investigation Report Addendum 5/7/2015 Site Investigation Report Addendum 12/2//2015 Site Investigation Report Addendum Comments 12/23/15 Response to Comments 2/2/2016 Program Letter 2/4/2016 Post-SI Public Notice 2/23/16 Compliance Groundwater Monitoring Report 5/11/16 Response to Post-Site Investigation Public Notice Comments 5/13/16 Remedial Decision Letter 5/27/16 Compliance Groundwater Monitoring Report 8/9/16 Public Involvement Plan (PIP) Petition 3/24/17 Remedial Action Work Plan 9/14/17 Final Public Involvement Plan 2/14/18 Pre-Application Meeting Summary 3/5/18 Response to April 16, 2018 Public Meeting Comments 5/21/18 Remedial Approval Letter 9/14/18