Addendum 1 to the Site Management and Security Plan

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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Addendum 1 to the Site Management and Security Plan

Addendum 1 to the Site Management and Security Plan was approved by EPA on December 20, 2012. The Addendum covers site work necessary to implement the NTCRA, including some tree clearing, grading soils, moving a section of fence, installing a truck weigh scale and creating a waste container staging area.

Last updated on January 6, 2021

Nuclear Metals Superfund Site

Addendum 1 to the Site Management and Security Plan