EPA Issues Fact Sheet on NMI Activities Update

Total Groundwater Processed

Through mid-June, 2019, approximately 1.35 million gallons of groundwater have been processed through the Permanent Groundwater Treatment System (Final Treatment System), which has been operational since April 2, 2019.

Previously, approximately 17 million gallons of groundwater were processed through the Temporary Groundwater Treatment System (TGTS) to maintain hydraulic capture of the plume. The TGTS operated from May 23, 2017 until the Final Treatment System was operational.

Groundwater NTCRA

Updates

Introduction

Building Demolition
Non-Time Critical
Removal Action (NTCRA)

Environmental Remediation
Remedial Investigation /
Feasibility Study (RI/FS)

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In light of building demolition resuming on 19 APR 16, EPA issued a fact sheet to update on the status of activities on site and the various winter activities performed for the test of the Assabet 1A and 2A production wells to define the “capture zone,” which will assist in determining an effective location to install and test a pumping well.

Last updated on January 5, 2021