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"Forget the Rest" blog

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

Table B-2

Location:  Technical Area (TA) -21

Period of use:  August 1945 to May 1948

Size:  6.03 acres

Number and type of disposal units:
Pits (5): each assumed to be 15 by 300 by 12 feet
Specific wastes and quantities:
Estimated volume:  749,772 ft3
Includes unknown quantities of plutonium, polonium, uranium, americium, curium, radioactive lanthanum, and actinium- contaminated solid wastes. There is also supposed to be an entire fission product-contaminated truck buried here.


Potential environmental impacts:
DP canyon, Los Alamos Canyon
New Mexico Environment Department's (NMED) Hazardous and Radioactive Material Bureau (HRMB) ranks this MDA as an area with a high probability of contaminant mobilization and a moderate to high potential of release to the groundwater.
Other pertinent information:
A fire begun by spontaneous combustion on this site in 1948.
Figure B-3 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 Program, TA-21 Operable Unit Resource Conservation and Recovery Act (RCRA) Facility Investigation (RFI) Workplan, LA-UR-91-962.  May 1991.
( Back to Text)
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2901 Summit Place NE Albuquerque, NM 87106, Phone: 505-265-1200

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