Public Comment Form

60-day public comment period: Sandia National Labs Mixed Waste Landfill Second Five-Year Report

The MWL is a 2.6-acre SWMU located in the north-central portion of Technical Area-III approximately five miles southeast of the Albuquerque International Sunport. The MWL was used as a disposal area for low level radioactive waste, hazardous waste, and mixed waste generated at SNL/NM research facilities and offsite locations from March 1959 to December 1988.

The May 2005 Final Order established the requirement for a five-year report assessing the remedy performance for the MWL. In the May 2005 Final Order, the NMED selected a vegetative soil cover with a biointrusion barrier (i.e., evapotranspiration [ET] cover) as the remedy for the MWL that includes unsaturated zone and groundwater monitoring. On January 8, 2014 NMED approved the MWL Long-Term Monitoring and Maintenance Plan (LTMMP), which started the first five-year evaluation period.

NMED received the MWL Second Five-Year Report in December 2023. The May 2005 Final Order requires that NMED provide a process whereby members of the public may comment on the MWL Second Five-Year Report and its conclusions and respond to those comments in its final approval of the MWL Second Five-Year Report.


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The public comment period for this MWL Second Five-Year Report will run from June 14, 2024 through August 13, 2024. 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 neelam.dhawan@env.nm.gov . Only written comments received on or before 5:00 p.m. on August 13, 2024, will be considered.


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