Los Alamos Study Group

Table B-19

Location: Technical Area (TA) -21

Period of use: 1948 to 1968

Size: 0.2 acres

Number and type of disposal units:

Absorption Beds (2): unlined

Specific wastes and quantities:

Estimated volume: 18,003 ft³ Includes unknown quantities of Polonium-210, and smaller quantities of tritium, uranium, beryllium, and PCBs

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:

"Liquid effluent used to run down into the canyon and pond in a swampy area."⁽²⁾

Map:

Sources:

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, 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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