December 6, 2019
NMI Superfund Site RD/RA Consent Decree becomes effective.
December 9, 2019
Summary of On-Going Work under the Groundwater NTCRA is submitted.
December 12, 2019
Settling Defendants (SDs) designate de maximis, inc. as Project Coordinator and Supervising Contractor.
December 31, 2019
Project Coordinator and Supervising Contractor de maximis, inc., is given Authorization to Proceed by USEPA.
January 5, 2020
Trust Agreement is submitted to USEPA for approval.
January 21, 2020
USEPA approves Trust Agreement.
March 23, 2020
Excess PPE from Building NCTRA is donated to the Concord Fire Department to assist in COVID-19 efforts.
March 26, 2020
Remedial Design Work Plan and associated documents are submitted to USEPA for approval.
April 2, 2020
Groundwater Treatment System Annual Report is submitted to USEPA in accordance with the O&M Plan.
April 3, 2020
Groundwater NTCRA Construction Completion and Final Report are submitted to Agencies.
April 17, 2020
Wetland and property surveys are complete.
May 28, 2020
USEPA approves the Groundwater Treatment System Annual Report. Conditional approval is received on the Groundwater NTCRA Construction Completion and Final Report to the Agencies.
Survey of the 2229 Main Street property is complete.
Radiation Safety Training was provided for consultants and the Agencies.
July 27, 2020
Installation begins on wells MW-BS50 and MW-BS54.
Installation began for bedrock extraction wells through overburden. Mark out and survey of soil sample locations are completed.
September 11, 2020
Final RDWP and all appendices apart form Appendices E & I are submitted.
September 15, 2020
USEPA approves RDWP and Appendices A, B, C, D, F, H, K & L.