surface contamination Articles
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Monitoring radioactivity in nuclear and radiological emergency in a European perspective: aims and means
After the Chernobyl nuclear power plant accident, European countries have further enhanced their capacity and infrastructure for monitoring radioactivity in their environment. This paper gives a summary of the most commonly used techniques relevant to routine and nuclear and/or radiological emergency conditions, followed by a discussion of the various network types (routine, emergency ...
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Evolution of the Smart Probe
STS have been working on the next evolution of our ionising radiation contamination simulators! Our customers love the basis of our simulation technology which allows artificial contamination to be applied to a surface, spread, transferred and cleaned up -all whilst being monitored with a simulated meter and probe behaving as you would expect surface radioactive contamination to behave. Our ...
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NORMs contamination treatment using Ivey-sol technology
NORMs (naturally occurring radioactive materials) are found almost everywhere, and many natural materials, such as the earth’s crust, contain such radioactive materials. So what happens when oil and gas activities such as petroleum refining and natural gas extraction, disturb such radioactive material? They can alter the natural background radiation — the radiation that we are ...
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Nuclear reactor coolant removal monitored by hydrogen measurements provided by Systech`s 542 programmable gas analyzers
NNC Limited is using Systech's 542 programmable gas analyzers to monitor hydrogen off-gas in test rig for Dounreay Fast Breeder Reactor decommissioning. Decommissioning nuclear reactors is not only a matter of dealing safely with the radioactivity issues, non-nuclear contamination can be equally difficult to remove safely and economically. NNC Limited is currently developing a system to remove ...
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Measuring hydrogen off-gas in nuclear reactor - Case Study
Nuclear reactor coolant removal monitored by hydrogen measurements provided by Systech's 542 programmable gas analyzers NNC Limited is using Systech's 542 programmable gas analyzers to monitor hydrogen off-gas in test rig for Dounreay Fast Breeder Reactor decommissioning. Decommissioning nuclear reactors is not only a matter of dealing safely with the radioactivity issues, ...
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Depth of the biologically active zone in upland habitats at the Hanford Site, Washington: Implications for remediation and ecological risk management
Soil invertebrates, mammals, and plants penetrate and exploit the surface soil layer (i.e., the biologically active zone) to varying depths. As the U.S. Department of Energy remediates radioactive and hazardous wastes in soil at the Hanford Site, a site‐specific definition of the biologically active zone is needed to identify the depth to which remedial actions should be taken to protect the ...
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Application of Monte Carlo Analysis for Assessing Radiation Doses and Risks to Humans
ABSTRACTThis BIOMASS Theme 2 report has been produced by the Remediation Working Group, which is concerned with the evaluation of the reliability of dose and risk assessment methodologies applied in support of decisions related to the cost-effectiveness of risk reduction measures within an environmental remediation programme. Scenarios have been developed concerning the site contaminated by an ...
By Oracle
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What classifies as water pollution and why is it an issue?
The UN declared 2005-2015 as the International Decade for Action ‘Water for Life’. Yet each day thousands of people still die as a result of contaminated water. This does not even take into account the millions of organisms that perish every year thank to polluted water sources. Water pollution is a huge issue that is made more so by the fact that unfortunately, water is easily ...
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Why use purge air? And what practicalities to consider.
Many AMETEK Land instruments use purge air, in the post I am going to explain the purpose and some of the practicalities surrounding this technology. In general, purge air is used on optical instruments such as emissions monitors and pyrometers which are mounted on industrial processes. It is important to keep the optical surfaces of such instruments clean, as contamination can affect their ...
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Why Use Purge Air? And What Practicalities to Consider.
Many AMETEK Land instruments use purge air, in the post I am going to explain the purpose and some of the practicalities surrounding this technology. In general, purge air is used on optical instruments such as emissions monitors and pyrometers which are mounted on industrial processes. It is important to keep the optical surfaces of such instruments clean, as contamination can affect their ...
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Surfactant enhanced bioremediation (SEB)
Surfactant Enhanced Bioremediation (SEB®) using Ivey-sol® involve the use of Ivey-sol formulations which are patented non-ionic surfactant mixtures used in the in-situ and ex-situ treatment of petroleum hydrocarbons, heavy metals, and more recently radioactive type contaminated waste. These surfactant formulations have the ability to enhance soil biodegradation. During In-situ and ...
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