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Author :
Publisher :
ISBN 13 : 9781100226873
Total Pages : 44 pages
Book Rating : 4.2/5 (268 download)
Download or read book Environmental Fate of Tritium in Soil and Vegetation written by and published by . This book was released on 2013 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Effects of a Tritium Release from the Savannah River Plant written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: On March 27, 1981, a small amount of tritiated water was inadvertently released from the tritium-processing facility during a routine maintenance operation. This report describes the environmental effects of this release both on the SRP site and offsite. Also, the operation of the WIND (Wind Information and Display) emergency response system during the incident is discussed, and the predicted and diagnosed behavior of the tritium plume is compared with tritium concentrations deduced from air, vegetation, soil, and bioassay samples.
Download or read book Environmental Effects of a Tritium Gas Release from the Savannah River Plant on December 31, 1975 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: At 10:00 p.m. EST on December 31, 1975, 182,000 Ci of tritium gas was released within about 1.5 min from a tritium processing facility at the Savannah River Plant. The release was caused by the failure of a vacuum gage and was exhausted to the atmosphere by way of a 200-ft-high stack. Winds averaging 20 mph carried the tritium offplant toward the east. Calculations indicate that the puff passed out to sea about 35 miles north of Charleston, South Carolina, about 7 hr after the release occurred. Samples from the facility exhaust system indicated that 99.4 percent of the tritium was in elemental form and 0.6 percent was in the more biologically active oxide (water) form. The maximum potential dose to a person (from inhalation and skin absorption) at the puff centerline on the plant boundary was calculated to be 0.014 mrem, or about 0.01 percent of the annual dose received from natural radioactivity. The integrated dose to the population under the release path was calculated to be 0.2 man-rem before the tritium passed out to sea. Over 300 environmental samples were collected and analyzed following the release. These samples included air moisture, atmospheric hydrogen, vegetation, soil, surface water, milk, and human urine. Positive results were obtained in some onplant and plant perimeter samples; these results aided in confirming the close-in puff trajectory. Tritium concentrations in nearly all samples taken beyond the plant perimeter fell within normal ranges; no urine samples indicated any tritium uptakes as a result of the release. Two milk samples did indicate a measurable tritium uptake; the maximum potential dose to an individual drinking this milk was calculated to be about 0.1 mrem. Because calculated doses from assumed exposure to the tritium are low and analyses of environmental samples indicated no significant accumulation of tritium, it is concluded that no significant environmental effects resulted from the December 31, 1975, tritium release. (auth).
Author : Canadian Nuclear Safety Commission
Publisher :
ISBN 13 : 9781100139180
Total Pages : 103 pages
Book Rating : 4.1/5 (391 download)
Download or read book Investigation of the Environmental Fate of Tritium in the Atmosphere written by Canadian Nuclear Safety Commission and published by . This book was released on 2009 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the various anthropogenic and natural sources of tritium in the atmosphere, the chemical forms of tritium in the atmosphere, and the physical and chemical behaviour of tritium in the atmosphere. This includes discussion of atmospheric dispersion processes and modeling approaches to estimating dispersion in the context of public dose assessment. The report also describes the dynamic behaviour of tritium in the hydrological cycle, including transfer of tritium from air to soil water and surface water, tritium transport from soil water to groundwater, and tritium behaviour in lake and river receiving environments. Beyond this literature review of tritium behaviour in atmospheric and hydrological environments, this report considers available tritium monitoring data for a number of licensed nuclear facilities releasing tritium, examines model predictions of environmental concentrations of tritium, and compares predicted and observed concentrations. The report is organized as follows: Section 2.0 describes the various sources of tritium, Section 3.0 describes the physical and chemical behaviour of tritium in the atmosphere, and Section 4.0 describes the behaviour of tritium in the hydrological cycle, and Section 5.0 compares predicted and observed behaviour at various release sites.--Includes text from document.
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (683 download)
Download or read book Baseline Tritium Concentrations in Soils and Vegetation written by and published by . This book was released on 1998 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: In compliance with Department of Energy (DOE) Order 5400.1, a preoperational environmental survey was conducted for the Tshirege woodland site--an experimental area managed by the Earth and Environmental Science Group (EES-15)--where radioactive tritium (3H) will be injected ten cm deep in and around the base of pinyon (Pinus edulis) and one-seeded juniper (Juniperus monosperma) trees during the summer of 1990. The site is located at the lower end of Canada del Buey close to the intersection of Pajarito and State Road 4. Baseline values of 3H were measured in soil and plant samples from five locations immediately surrounding the study area. Mean values of 3H in soils collected from the 0--5 and 25--30 cm depths were 1.24 ("0.22) and 1.08 ("0.41) pCi mL−1, respectively. Pinyon needles averaged 1.68 ("0.18) pCi mL−1 and blue grama grass (Bouteloua gracilis) averaged 1.16 ("0.95) pCi mL−1.
Author : Frank Owen Hoffman
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (359 download)
Download or read book Environmental Behavior of Technetium in Soil and Vegetation written by Frank Owen Hoffman and published by . This book was released on 1982 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nvestigation of the Environmental Fate of Tritium in the Atmosphere written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alfred J. Garrett
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (239 download)
Download or read book Environmental Effects of a Tritium Release from the Savannah River Plant written by Alfred J. Garrett and published by . This book was released on 1981 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 726 pages
Book Rating : 4.3/5 (555 download)
Download or read book New Tritium Production Reactor Capacity Facilities, Siting, Construction and Operation written by and published by . This book was released on 1991 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. C. McFarlane
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (265 download)
Download or read book Tritium in Plants and Soil written by J. C. McFarlane and published by . This book was released on 1976 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. R. Jacobsen
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.3/5 (91 download)
Download or read book Environmental Effects of a Tritium Gas Release from the Savannah River Plant on October 31, 1975 written by W. R. Jacobsen and published by . This book was released on 1976 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. S. Nakayama
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (121 download)
Download or read book Application of Tritium Tracer in Soil and Plant Water Investigations written by F. S. Nakayama and published by . This book was released on 1960 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. C. McFarlane
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (31 download)
Download or read book Tritium Fractionation in Plants written by J. C. McFarlane and published by . This book was released on 1975 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (84 download)
Download or read book Environmental Effects of a Tritium Gas Release from the Savannah River Plant on May 2, 1974 written by and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (555 download)
Download or read book The Production of Tritium in a Commercial Light Water Reactor (TN, AL) written by and published by . This book was released on 1999 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (923 download)
Download or read book Tritium in the Environment written by and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christina Amanda Garcia
Publisher :
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (14 download)
Download or read book Vertical Tritium Transport from the Shallow Unsaturated Zone to the Atmosphere, Amargosa Desert Research Site, Nevada written by Christina Amanda Garcia and published by . This book was released on 2007 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the impact of desert vegetation on tritium transport and fate is essential when considering radioactive waste isolation in the western United States. This study uses filed data to estimate the magnitude and spatio-temporal variability of tritiated-water vapor tritium transport from the shallow unsaturated zone to the atmosphere adjacent to a radioactive waste facility and numerical modeling to clarify tritium transport mechanisms beneath desert vegetation. A 2-year tritiated-water vapor mass was released within the study area and quantified using evaporation, transpiration, and tritiated-water vapor concentrations in plants and shallow soil. Numerical simulation results indicate that root uptake by desert vegetation can lead to upward water movement below the root zone. This can increase the upward tritiated-water vapor flux. Amplified upward fluxes prevent long term shallow subsurface moisture accumulation, limiting moisture penetration below the root zone and the potential for groundwater contamination.--Adapted from the abstract.
