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Uranium Uptake Study, Nambe, New Mexico: Source Document.

PB2001102959

Publication Date	2000
Personal Author	Hayes, A. C.; Fresquez, P. R.; Whicker, W. F.
Page Count	51
Abstract	Over 50% of the wells in the Nambe region of northern New Mexico exceed the U.S. Environmental Protection Agency's recommended drinking water standard of 20 micrograms L -1 for 238 U. Uranium uptake was estimated in tomato (Lycopersicon esculentum), squash (Cucurbita pepo), lettuce (Lactuca scarriola), and radish (Raphanus sativus) irrigated with Nambe well water containing less than 1, 150, 500, and 1200 micrograms U L -1 . Plant uptake and human dose and toxicity associated with ingestion of water and produce and inhalation of irrigated soil related to gardening activities were evaluated. Uranium concentration in plants increased linearly with increasing U concentration in irrigation water, particularly in lettuce and radish. The estimated total committed effective dose equivalent for 70 years of maximum continuous exposure, via the three pathways to well water containing 1200 mg U L -1 , was 0.17 mSv (17 mrem) with a corresponding kidney concentration of 0.8 mg U g -1 kidney.
Keywords	Drinking water Water pollution Uranium Literature reviews Materials Methods Data analysis Data estimations Concentration Geochemistry Ground water Health effects Plant uptake Nambe(New Mexico)
Source Agency	Technical Information Center Oak Ridge Tennessee
NTIS Subject Category	68F - Radiation Pollution & Control 77G - Radioactive Wastes & Radioactivity 68D - Water Pollution & Control
Corporate Authors	Los Alamos National Lab., NM.; Department of Energy, Washington, DC.; Colorado State Univ., Fort Collins. Dept. of Radiological Health
Supplemental Notes	Prepared in cooperation with Colorado State Univ., Fort Collins. Dept. of Radiological Health Sciences. Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200109
Contract Number	DOE-W-7405-ENG-36

Uranium Uptake Study, Nambe, New Mexico: Source Document.

Uranium Uptake Study, Nambe, New Mexico: Source Document.
PB2001102959

Publication Date	2000
Personal Author	Hayes, A. C.; Fresquez, P. R.; Whicker, W. F.
Page Count	51
Abstract	Over 50% of the wells in the Nambe region of northern New Mexico exceed the U.S. Environmental Protection Agency's recommended drinking water standard of 20 micrograms L -1 for 238 U. Uranium uptake was estimated in tomato (Lycopersicon esculentum), squash (Cucurbita pepo), lettuce (Lactuca scarriola), and radish (Raphanus sativus) irrigated with Nambe well water containing less than 1, 150, 500, and 1200 micrograms U L -1 . Plant uptake and human dose and toxicity associated with ingestion of water and produce and inhalation of irrigated soil related to gardening activities were evaluated. Uranium concentration in plants increased linearly with increasing U concentration in irrigation water, particularly in lettuce and radish. The estimated total committed effective dose equivalent for 70 years of maximum continuous exposure, via the three pathways to well water containing 1200 mg U L -1 , was 0.17 mSv (17 mrem) with a corresponding kidney concentration of 0.8 mg U g -1 kidney.
Keywords	Drinking water Water pollution Uranium Literature reviews Materials Methods Data analysis Data estimations Concentration Geochemistry Ground water Health effects Plant uptake Nambe(New Mexico)
Source Agency	Technical Information Center Oak Ridge Tennessee
NTIS Subject Category	68F - Radiation Pollution & Control 77G - Radioactive Wastes & Radioactivity 68D - Water Pollution & Control
Corporate Authors	Los Alamos National Lab., NM.; Department of Energy, Washington, DC.; Colorado State Univ., Fort Collins. Dept. of Radiological Health
Supplemental Notes	Prepared in cooperation with Colorado State Univ., Fort Collins. Dept. of Radiological Health Sciences. Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200109
Contract Number	DOE-W-7405-ENG-36