Plans and Practices for Groundwater Protection at the Los Alamos National Laboratory Final Report (2007) / Chapter Skim
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2 Framework for Groundwater Protection at LANL
2 Framework for Groundwater Protection at LANL
Pages 11-18
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From page 11... ...
In 2005 NMED issued nation are located, downward to the regional aquifer. The an Order on Consent for Los Alamos National Laboratory2 regional aquifer, which furnishes drinking water for residents that establishes schedules for additional investigations that of northern New Mexico, is relatively deep (approximately will lead to a corrective action decision under the Order.
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From page 12... ...
The sources of recharge to that portion of the regional aquifer beneath the Laboratory are diffuse recharge in the Sierra de los Valles and focused recharge from wet canyons on the Pajarito Plateau, as indicated in Color Plate 2. Natural discharge from the regional aquifer is primarily into the Rio Grande directly or to springs that flow into the Rio Grande.
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From page 13... ...
underlying Bandelier Tuff, 2. Source of recharge to underlying intermediate, perched zones and to the regional Cerros del Rio basalts, or aquifer.
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From page 14... ...
DOE authorindependent technical advice. The study, however, comes at ity extends to source material, special nuclear material, and a critical juncture as LANL moves from site characterization byproduct material containing radioactive components.
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From page 15... ...
regulations; • Protect the drinking water supplies of surrounding New Mexico Environment Department (NMED) communities; • Protect the quality of groundwater moving from LANL to offsite What constitutes groundwater protection at LANL is specified in the: locations; and • New Mexico Water Quality Act; • Protect the quality of water in springs and the Rio Grande.
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From page 16... ...
. not yet addressed under the LANL environmental The technical requirements of the Consent Order include restoration program; • the following: Specific methodology and procedures for investiga tion, sampling, and analysis; • • The completion of investigations currently under Requirements for groundwater monitoring, drilling, way for several waste management units at and well construction; • LANL; Requirements for identification of cleanup alter • Specific investigation requirements for high- natives and corrective actions, including interim priority sites including investigations of separate measures, to clean up contaminants in the environ
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From page 17... ...
All data must be collected according to EPAand industry-accepted methods and procedures. Sidebar 2.4 gives a synopsis of the 2006 Integrated Groundwater Monitoring Plan that LANL developed to meet requirements of the Consent Order.
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From page 18... ...
, and stance, then the lower of the two levels will be considered the drinking water MCLs adopted by EPA under the federal the cleanup level for that substance. Safe Drinking Water Act (42 U.S.C.
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