Uranium mill tailings remedial action program. Radiological survey of Shiprock vicinity property SH02 Shiprock, New Mexico, August-November 1984
A comprehensive survey of the vicinity property designated as SH02 was conducted on an intermittent basis from August 3 to November 11, 1982. At the time of the survey, seven structures were located on the property - two residential trailers, one institutional building, two institutional trailers, a storage building, and a pump house. The lands surrounding the structures were either sparsely covered with vegetation or gravelled. The assessment activities included determination of indoor and outdoor surface radiation levels through direct instrument surveys; measurement of ambient external penetrating radiation levels at 1-meter heights; and analysis of air and soil samples. No evidence of radioactive contamination was found inside the structures; background levels of radioactivity were indicated within all seven. The short-term radon daughter measurements did not exceed the limit of 0.02 Working Level for average annual concentration including background, as specified in the EPA Standard 40 CFR 192. The assessment indicated elevated levels of radioactivity at one general area in the outdoor environs, encompassing about 1400 ft/sup 2/ (130 m/sup 2/) of land along the property's northern boundary. Analysis of a surface soil sample collected from this area indicated a radium concentration considerably in excess of the limit of 5 pCi/g above background specified in the EPA Standard. Subsurface soil sampling was not conducted, and thus the vertical extent of the radiological contamination is not known. Since the surface soil contamination level exceeded the limit specified in the EPA Standard, remedial action for this vicinity site should be considered.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 6860880
- Report Number(s):
- DOE/NE-SH02; ANL-OHS/HP-84-SH02; ON: DE84014857
- Resource Relation:
- Other Information: Portions are illegible in microfiche products. Original copy available until stock is exhausted
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
AIR
RADIOACTIVITY
MILL TAILINGS
RADIATION MONITORING
REMEDIAL ACTION
NEW MEXICO
SOILS
ABANDONED SITES
DAUGHTER PRODUCTS
EXPERIMENTAL DATA
HEALTH HAZARDS
RADON
SAMPLING
DATA
ELEMENTS
FEDERAL REGION VI
FLUIDS
GASES
HAZARDS
INFORMATION
ISOTOPES
MONITORING
NONMETALS
NORTH AMERICA
NUMERICAL DATA
RARE GASES
SOLID WASTES
TAILINGS
USA
WASTES
052001* - Nuclear Fuels- Waste Processing
054000 - Nuclear Fuels- Health & Safety