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Latest NMI News Recent Documents

Additional Groundwater Investigation for 1,4-dioxane Commences

USEPA (EPA) approved the Groundwater Investigation Work Plan on 27AUG15 for further delineation of the contaminant 1,4-dioxane. The investigation will include installation of additional monitoring wells, comprehensive groundwater quality monitoring to define the extent of the 1,4-dioxane plume and water level monitoring. EPA is considering accelerating this portion of the proposed remedy and performing it as a Non-Time-Critical Removal Action (NTCRA) rather than as part of the overall remedy. Crews mobilized to the site and began well installation today, 1SEP15.


Crews beginning installation of MW-35, adjacent to Main street.

Fall Shipping Campaign Complete

The site completed the second shipping campaign of 2015 on 31JUL with a total of 40 intermodal containers shipped containing 731,930 pounds (366 tons) of waste for disposal.

Loading activities on 29JUL15 in Building D for off-site shipping campaign.

Loading activities on 29JUL15 in Building D for off-site shipping campaign.

Shipping Campaign Underway

The latest shipping campaign for off-site waste disposal began 20JUL 2105. As of noon 27JUL15, 21 intermodal containers with 450,380 pounds (3,317 tons) were shipped off site.

Community Involvement  Recent Documents

CREW and 2229 Main Street met with Agencies on site on 17 March 2015

Public groups and de maximis met with the Agencies on 17 MAR 2015 on site to discuss the NTCRA status and schedule for building demolition as well as the planning for the remedy for 1, 4-dioxane in groundwater. The 2229 Main Street Committee provided an update to the Town’s approach to potentially taking the Site.

Public Meeting Presentation 12 NOV 2014

USEPA presented the Proposed Remedial Action Plan for the NMI Superfund Site last night at 6:30 pm  at the Concord Town Hall Meeting Room at 22 Monument Square, Concord, MA. To download a copy of the presentation, click here.

Last updated on September 1, 2015