Public Comment Form

Commenting open: September 07, 2023 08:00AM MT - November 06, 2023 05:00PM MT.

NMED Statement of Basis Material Disposal Area C at Los Alamos National Laboratory

In accordance with the 2016 Compliance Order on Consent (CO) Section XVII, NMED is selecting a remedy based on the information presented in the CME Report, and RCRA Facility Investigation (RFI) reports. NMED may choose a different remedy from what was recommended in the CME Report and is issuing this Statement of Basis and the public notice to provide an opportunity for public comment.

For maximum protection of human health and the environment and to ensure that the drinking water resource can be conservatively protected, NMED has determined that the selected remedy for MDA C must consist of waste excavation, characterization, and appropriate disposal of the buried waste. The selected remedy will also include an active and passive soil-vapor extraction (SVE) system to remove the VOC contamination detected in the soil pore gas, and plume monitoring and institutional controls. Excavation will ensure that the source of contamination at MDA C is removed, and the SVE system will mitigate and control vadose zone vapor phase contamination. Detailed information on this selection can be found in the Statement of Basis.

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The public comment period for this permit modification will run from September 7, 2023 through November 6, 2023. Any person who wishes to comment on this action should submit written in the box provided on this page or e-mail comments with the commenter's name and address to

Only written comments received on or before November 7, 2023, will be considered.

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