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Material Disposal Area (MDA) E (1), (2)

Table B-5

Location:  Technical Area (TA) -33

Period of use:  1949 to 1963

Size:  0.69 acres

Number and type of disposal units:
Pits (6):  vary between 12 to 15 feet by 45 to 100 by 6 to 7 feet

Underground chamber (1):  unknown size

Trenches (2):   unknown size
Specific wastes and quantities:
Contains unknown quantities of nickel, cadmium, lead, tungsten, polonium-210, tritium, cesium-137, beryllium, and uranium
Potential environmental impacts:
Lies near Chaquehui Canyon New Mexico Environment Department's (NMED) Hazardous and Radioactive Material Bureau (HRMB) ranks this MDA as an area with a low probability of contaminant mobilization and a moderate potential of release to the groundwater.
Figure B-8 has been removed due to illegibilty.

1.  Rogers, Margaret Anne, History and Environmental Setting of Los Alamos Scientific Laboratory Near- Surface Land Disposal Facilities for Radioactive Wastes (Areas A, B, C, D, E, F, G, and T).  June 1977.  (Back to Text)

2.  LANL, Environmental Restoration, Resource Conservation and Recovery Act (RCRA) Facility Investigation (RFI) Workplan for Operable Unit 1122, LA-UR-92-925.  May 1992.  (Back to Text)
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2901 Summit Place NE Albuquerque, NM 87106, Phone: 505-265-1200

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