By National Research Council, Division on Earth and Life Studies, Nuclear and Radiation Studies Board, Committee for the Technical Assessment of Environmental Programs at the Los Alamos National Laboratory

Discharges of wastes from actions linked to the federal government’s Los Alamos web site in northern New Mexico begun through the long island venture in 1943. Now certain the Los Alamos nationwide Laboratory (LANL), the location is operated lower than agreement via the dept of power (DOE). via earlier and ongoing investigations, radioactive and chemical contaminants were detected in elements of the complicated approach of groundwater underneath the positioning. due to the fact potent safeguard of groundwater is critical for LANL’s carrying on with operations, DOE’s place of work of Environmental administration asked technical recommendation and suggestions relating to numerous points of LANL’s groundwater security application. This period in-between record summarizes the committee’s information-gathering actions and identifies concerns in the scope of its job that experience risen to the committee’s awareness with no delivering any findings or suggestions. the ultimate document is anticipated to be published in may perhaps 2007 and it's the wish that result of the ultimate learn will offer tips and impetus for discussion and contract between DOE, LANL, and different stakeholders on a targeted, within your means software for shielding the groundwater in and round the web site.

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Extra info for Plans and Practices for Groundwater Protection at the Los Alamos National Laboratory: Interim Status Report

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Copyright © National Academy of Sciences. All rights reserved. html 24 Plans and Practices for Groundwater Protection – Interim Report FUTURE PLANS FOR THIS STUDY The committee’s information gathering is substantially completed. The remaining study period and meetings will be used primarily for deliberation, developing consensus on the findings and recommendations requested in the task statement, and producing the final report. According to National Academies’ practices, the committee’s conclusions and recommendations will be available only after the draft report has completed Academies review and the finalized draft has been approved for public release, which is scheduled for May 2007.

A. 2006. Site-Wide Hydrology. Presentation to the Committee for the Technical Assessment of Environmental Programs at the Los Alamos National Laboratory, March 23, Santa Fe, New Mexico. B. 2006a. LANL Groundwater Contaminants: Sources and Transport. Presentation to the Committee for the Technical Assessment of Environmental Programs at the Los Alamos National Laboratory, March 23, Santa Fe, New Mexico. B. 2006b. Control of Groundwater Contamination Sources. Presentation to the Committee for the Technical Assessment of Environmental Programs at the Los Alamos National Laboratory, March 24, Santa Fe, New Mexico.

Mr. , buried waste disposal at MDA G and MDA L). He singled out wells R-16, 20, 26, and 34 as not useful for Copyright © National Academy of Sciences. All rights reserved. , R-15, 22, 25, 26) have cross-contaminated aquifers (Gilkeson, 2006a). In his presentation at the committee's workshop, Mr. Gilkeson provided a summary of his reasons that many of LANL's wells that penetrate the regional aquifer and some perched aquifers do not produce reliable and representative water quality data: • • • • • • Drilling additives; Corrosion of iron well screens in the older wells; Construction errors that have plugged screens with bentonite clay; Dilution of contamination by very long well screens; Well screens in strata with low permeability rather than in strata with high permeability; and Well screens too deep below the water table of the regional aquifer.

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