Barriers for radon in uranium mines by John C Franklin

Cover of: Barriers for radon in uranium mines | John C Franklin

Published by Dept. of the Interior, Bureau of Mines in [Washington] .

Written in English

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Subjects:

  • Radon,
  • Uranium mines and mining -- Safety measures,
  • Uranium mines and mining -- Shielding (Radiation),
  • Epoxy coatings

Edition Notes

Bibliography: p. 24

Book details

Statementby John C. Franklin, Thomas O. Meyer, and Robert C. Bates
SeriesReport of investigations - Bureau of Mines ; 8259
ContributionsMeyer, Thomas O, Bates, Robert C, United States. Bureau of Mines
The Physical Object
Pagination[3], 24 p. :
Number of Pages24
ID Numbers
Open LibraryOL14914861M

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Barriers for radon in uranium mines. [Washington]: Dept. of the Interior, Bureau of Mines, (OCoLC) Online version: Franklin, John C. Barriers for radon in uranium mines. [Washington]: Dept. of the Interior, Bureau of Mines, (OCoLC) Material Type: Government publication, National government publication: Document.

@article{osti_, title = {Barriers for radon in uranium mines. Report of investigations }, author = {Franklin, J C and Meyer, T O and Bates, R C}, abstractNote = {Water-based epoxy sealants were examined during a 2-year period to determine their effectiveness as barriers to radon release in uranium mines.

Barriers for radon in uranium mines book emanation rates from uranium ore samples were. Water-based epoxy sealants were examined during a 2-year period to determine their effectiveness as barriers to radon release in uranium mines.

Radon emanation rates from uranium ore samples were monitored for extended periods in the laboratory before and after sealant application. Reduction of radon flux due to the coating of laboratory. Inside a Radioactive 'Health' Mine. There are only half a dozen radon health mines in the United States, and all six of them are located.

The application of polymeric coatings to uranium mine openings can prevent radon gas from entering the mine atmosphere, thereby reducing miners' exposure to radon daughter products.

Of the 46 coating materials tested on uranium ore samples, three were found to be pct efficient as radon barriers, and 22 materials were judged at least 50 pct.

Radon Room: 24 hours for registered guests Office Hours: Daily, 9 a.m. to 2 p.m. JANUARY, FEBRUARY & MARCH, NOVEMBER & DECEMBER. Call first for availability. Radon Room - by advance reservation only Full Therapy purchase required, no minimum stay required Underground Gallery closed for Winter RV Campground closed for Winter.

Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in amounted to 60, tonnes. Kazakhstan, Canada, and Australia are the top three producers and together account for 70% of world uranium production.

Other important uranium producing countries in excess of 1, tons per year are Niger, Russia. Radon is a chemical element with the symbol Rn and atomic number It is a radioactive, colorless, odorless, tasteless noble occurs naturally in minute quantities as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead and various other short-lived radioactive elements; radon itself is the immediate decay Pronunciation: /ˈreɪdɒn/ ​(RAY-don).

uranium itself, or from radon or other confounding factors. (2) EPA has not classified radium, radon or uranium for carcinogenicity. () Physical Properties Natural uranium is a silver-colored radioactive metal that contains three forms (isotopes) of.

Concentrations of radon in uranium mines and mills and uranium processing fuel fabrication facilities are strictly controlled Barriers for radon in uranium mines book must be monitored in air to protect workers.

Controls include sophisticated detection and ventilation systems that effectively protect Canadian uranium workers. Figure 2 illustrates the nuclear fuel cycle in Canada. Uranium is a riveting journey to the heart of this eerie mineral, taking us from slave camps in Africa, to desert mesas, war councils, smugglers’ routes, doomsday cults, jungle mines and secret enrichment plants over five continents in a narrative that is equal parts history, investigative journalism and nonfiction thriller.

Myth: Uranium exploration causes dangerous levels of radiation to be released. Fact: Uranium exploration methods used in Canada, such as drilling small core samples, pose a negligible to zero risk of increasing exposure to radiation, including radon.

Far more radiation exposure comes from sunlight and natural background radiation. Uranium mining exploration is governed. Radon test kits can be used to check the radon levels in homes and other buildings. Radon is a radioactive gas that is released from the normal decay of the elements uranium, thorium, and radium in rocks and soil.

The invisible, odorless gas seeps up through the ground and diffuses into the air. In a few areas, depending on local geology, radon.

Sources of radon at uranium mining and processing sites include tailings, uranium ore, waste rock, open cuts or underground mines, the processing facility, and water retention ponds (Mudd, ). In many cases, tailings represent the predominant source of radon emission (i.e., off-gassing) from a mining site.

Radon is a radioactive gas associated with uranium mining, but also with other metal nonmetal underground mines and tunneling operations. Radon is attached to fine dust particles in air that result from breaking uranium, thorium or radium-bearing.

In Comparative Dosimetry of Radon in Mines and Homes, an expert committee uses a new dosimetric model to extrapolate to the home environment the risk relationships found in the miner studies. Important new scaling factors are developed for applying risk estimates based on miner data to men, women, and children in domestic environments.

This paper presents an extensive literature review on the various sources of radon such as ore body, backfill mill tailings, broken ore and mine water in underground uranium mines. This review also comprehensively investigates the influence of intrinsic factors such as ore grade, Ra content, water content, porosity and surface area of the materials and the extrinsic Cited by: 5.

The accurate measurement of radon exhalation in underground uranium mines can be made by choosing the optimum size of accumulation chamber and a suitable radon build-up period in the chamber. A half-dozen defunct gold and uranium mines south of Helena, Montana, attract ailing tourists, who bask in radioactive radon gas and drink radioactive water to improve their health.

Each summer, hundreds of people, many of them Amish and Mennonites, come to the radon health mines to relax and treat arthritis, lupus, asthma and other chronic Location: Depot Hill Rd, Boulder, MT. MANUAL ON RADIOLOGICAL SAFETY IN URANIUM AND THORIUM MINES AND MILLS Particularly in underground uranium mines, efficient control of radon and its daughters in the mine atmosphere is a somewhat difficult task.

same time as the present book File Size: 3MB. As would be expected, the problem of radon is greatest in uranium mines and particular precautions have to be taken in order to protect personnel from the development of lung cancers caused by the inhalation and possible alveolar retention of radon daughters.

Linsley, in Nuclear Fuel Cycle Science and Engineering, Uranium mining and milling. The hazards to workers in uranium mines are due mainly to the presence of radon gas (Rn) and its short lived progeny (Po, Pb, Bi and Po). Radon gas is inert but its daughter nuclides become attached to particles in the air and can deposit in the lungs of.

Defense‐ Related Uranium Mines radioactive elements) that are typically associated with uranium mines. Radon inhalation was the largest contributor to the risk estimates for all receptors, followed by exposure to external gamma radiation. This book is the collection of papers from the latest International Uranium Mining and Hydrogeology Conference (UMH VII) held in Septemberin Freiberg, Germany.

It is divided to five sessions: Uranium Mining, Uranium and Phosphates, Clean-up technologies for water and soil. Uranium and daughter nuclides and basic research and modeling.

Examples of radon other than uranium Tourist Caves and Mines Open to Visitors - in some caves as high as 20, Bq/m3. Graphite mines - radon concentrations vary winter and summer but levels up to Bq/m3 Fluorspar - radon concentration in Newfoundland mine averaged around Bq/m3 Oil shale mines - average radon concentrations oFile Size: 1MB.

This paper presents an extensive literature review on the various sources of radon such as ore body, backfill mill tailings, broken ore and mine water in underground uranium mines.

Uranium mines and mining. See also what's at Wikipedia, your library, or elsewhere. Broader terms: Mines and mineral resources; Uranium industry; Used for: Uranium mining; Filed under: Uranium mines and mining Analysis of aquifer tests conducted at boreholes USW WT, UE WT#12, and USW SD-7,Yucca Mountain, Nevada / (Denver, Colo.: U.S.

Dept. of. RDS Environmental is the oldest Radon testing and mitigation company in Colorado with over 40 years in business. BeforeRDS was known as MINCO, and provided radon testing for mines and uranium exploration during the s and s.

Environmental Radon Levels Close To and Far from Uranium Mines/Mills 10 Radon Levels in Underground Uranium Mines 10 Radon Levels in Homes in Different Parts of the Country CONCLUSIONS 13 GLOSSARY LIST OF ACRONYMS AND ABBREVIATIONS 14 REFERENCES LIST OF TABLES.

Radon. Radon is a colorless, odorless, radioactive gas derived from the decay of uranium along with thorium, radium, and other radioactive elements that naturally occur in granites as well as some metamorphic and sedimentary rocks.

As radon gas is released from bedrock, it migrates upward through the soil and can seep into the basements of. Underground Non-Uranium Mines. Screening Frequency - Annually sample all metal and nonmetal mines where radon daughters have exceeded WL in the past, per 30 CFR § (a).

Sample remaining nonmetal and stone mines every three years. Sample new or reopened mines as soon as possible. Sample exhausts (return airways) and poorlyFile Size: 1MB.

Uranium Mines on the National Priorities List DOE Report on Costs of U.S. Uranium Mine Environmental Restoration. Geographic Analysis on the Location of Uranium Annual Exposure from Radon Decay Product Emissions from Model Uranium. INTRODUCTION. Radon is a naturally occurring radioactive gas generated by the decay of uranium bearing minerals in rocks and soils.

Lung cancer caused by exposure to radioactive radon gas and its decay products is the most common type of radiation induced injury among occupationally exposed workers (1, 2).The history of lung cancer in uranium miners is Cited by: 2. Technical Note ORP/TAD Technical Assessment of Radon Control Technology for Underground Uranium Mines B.

Kown V. Van der Mast K. L Ludwig Prepared under Contract No. Task No. 9 April Project Officer M. Gottlieb Office of Radiation Programs (ANR) U.S.

Environmental Protection Agency Washington, D.C. The radon emanation rate from the backfilled tailings was measured at 16 locations of the backfilled stopes using a cylindrical accumulator of 17 cm diameter and 30 cm height (∼7 L capacity) as shown in Fig. end of the accumulator was closed with a circular disk provided with a stopcock for sucking air samples into the scintillation cells through the filter paper to Cited by:   Radiation in uranium mines Uranium mines present another hazard to workers and to members of the public.

That is a radiation hazard. There are three types of exposure paths in the surrounding of uranium mine. 4Uranium mining and milling operations produce dust and gas (radon) having radioisotopes that are inhaled by miners and deliver Author: Arun Mitra. This is clipped from the the United States Bureau of Mines film, Radiation Protection in Uranium Mines, produced during the s.

Uranium mining occurred mostly in the southwestern United States. Nevertheless, high concentrations of radon also exist in non-uranium mines and caves, in various underground excavation works and other underground workplaces.

In this regard, in its publication, the ICRP recommended that high exposures to radon in workplaces should be regarded as the responsibility of the operating management and should Cited by: The uranium was mined in open pits and in underground mines.

The largest open pit called "Lichtenberg" is located near Ronneburg. Its initial depth was meters; after being partly refilled, the depth was still meters at an open volume of 80 million m 3 in After depletion of the ore deposits located near the surface, mining continued at this place to depths of.

In that case is it just the digging of the Uranium mines that put the workers at risk. Like you said the problem with radon gases arise when its inhaled. From what ive learned there were alot more risks for Uranium miners 50 years ago since they didnt take adequate precautions against radiation.

CONTENTS (continued) Methods for Preventing Radon From Entering the Ventilation Air Sealants Backfilling Bulkheads Mine Pressurization for Radon Control References Appendices A - List of Underground Uranium Mines B - Data for Use in Estimating Risks to Individuals Near Underground Uranium Mines C - Calculations on .Radon, Radium, and Uranium in Drinking Water - CRC Press Book Radon, Radium, and Uranium in Drinking Water 1st Edition.

C. Richard Cothern. Hardback $ eBook $ eBook Rental from $ CRC Press Published July 2, Reference - Pages ISBN - CAT# Lenvironmental contamination from uranium production facilities and their remediation proceedings of an international workshop on environmental contamination from uranium production facilities and their remediation organized by the international atomic energy agency and held in lisbon, 11–13 february international atomic energy agency.

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