surface contaminant Articles
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SAGE Advice on Air Cleaners
The UK’s Scientific Advisory Group for Emergencies (SAGE) Advice on Virus Air Cleaners The UK’s Scientific Advisory Group for Emergencies (SAGE) has produced timely advice on the effectiveness and safety (or otherwise) of air cleaning technologies and devices in the context of fighting COVID-19. While the advice focusses on pre-Airora technologies, it is a valuable contribution as ...
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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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Air Duct Cleaning: Chemicals used in HVAC systems
Introduction: There is a lot of diversity of information regarding the use of chemicals, cleaners, sealants and coatings inside air handling systems. NADCA recognized the need to provide some direction in this complicated and evolving area and developed the “Chemical Product Application in HVAC Systems” white paper. This article is an overview of NADCA’s white paper and as ...
By Vac Systems
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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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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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Evaluating the efficiency of DeconGel 1101 for removal of Cs-137, Co-60, and Eu-164 on common commercial construction materials
Decon Gel 1101 sanuncomplicated, lowodor, peelable polymer hydrogel for use with radiological decontamination, manufactured by Cellular Bioengineer Inc†. The gelallows for single or repeated material applications to contaminated surfaces. As the gel dries it binds the contaminant by encapsulating and lifting the contaminant into the gel.The result is a non-sticky rubber-like substance that ...
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Demonstration of DeconGel at Oak Ridge National Laboratory building 2026
Challenge In 2003 an area behind the hot cells in Building 2026 at the Oak Ridge National Laboratory (ORNL) was flooded with highly contaminated liquids when a liquid low level waste pipe became clogged. The main contaminants of concern are uranium and plutonium. Transferrable contamination levels are in the 1,000,000 disintegrations per minute range. The area is posted as an airborne ...
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