Radiation Safety Articles

568 Results found
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  • Subcategory: Radiation Safety ×

Department of Energy and Decommissioning and Decontamination (D&D) - Case Study

by METIS Scientific  (Jun. 29, 2015)

Customers Include: Department of Energy National Labs: Lawrence Livermore, Los Alamos, National Energy Technology Laboratory, National Security Technologies, Oakridge, Sandia, Savannah River Service/Product Companies: Energy Solutions, Safety & Ecology Corp. (SEC), Environmental Dimensions Inc., RADeco Applications Include: ...

Commercial Nuclear Power Plants Decontamination - Case Study

by METIS Scientific  (Jun. 29, 2015)

Customers Include: Nuclear Power Plants: Perry, Ontario Power Generation, Peach Bottom, Savanna River, etc. Service/Product Providers: Alaron, RADeco, UniTech Applications Include: Decontamination of waxed concrete and painted diamond plate, with DFs of 100 percent in a single pass on surfaces with 100-200k dpm/100 cm2 ...

Effect of 10 different TiO2 and ZrO2 (nano)materials on the soil invertebrate Enchytraeus crypticus

by John Wiley & Sons, Ltd.  (May 27, 2015)

Nearly 80% of all the nano‐powders produced worldwide are metal oxides, and among these materials titanium dioxide (TiO2) is one of the most produced. TiO2 toxicity is estimated low to soil organisms, but some studies have shown that TiO2 nanoparticles (NPs) can cause oxidative stress. Additionally, it is known that TiO2 is activated by UV ...

Biodiesel from wastewater: lipid production in high rate algal pond receiving disinfected effluent

by IWA Publishing  (Apr. 27, 2015)

The production of different species of microalgae in consortium with other micro-organisms from wastewaters may represent an alternative process, to reduce the costs, for obtaining biofuels. The aim of this study was to evaluate the influence of pre-ultraviolet disinfection (UV) in the production of lipids from biomass produced in high rate ...

New Guidance Helps LM Manage Institutional Controls

by EarthSoft, Inc  (Apr. 21, 2015)

The official Guidance for Developing and Implementing Institutional Controls for Long-Term Surveillance and Maintenance at DOE Legacy Management Sites, was issued in January as a supplemental directive within the U.S. Department of Energy (DOE) Office of Legacy Management (LM), to reinforce our commitment to using institutional controls (IC) ...

Comparison of ultraviolet light emitting diodes with traditional UV for greywater disinfection

by IWA Publishing  (Mar. 13, 2015)

The current technological status of ultraviolet light emitting diodes (UV-LEDs) has reached a point where small-scale ultraviolet (UV) water disinfection applications, that is, for greywater reuse appear increasingly promising. This study compares the germicidal and economical aspects of UV-LEDs with traditional UV. Pure cultures and ...

Proven Protection In The World`s First Antimicrobial Classroom

by Waterlogic International Ltd  (Mar. 10, 2015)

The scientists at BioCote® recently ran a live test to measure and compare the number of bacteria in two classrooms in the same primary school. This was a world first as never before had an antimicrobial classroom been put under the microscope. The objective was to see how well BioCote antimicrobial protection performs in the classroom ...

Experimental determination of dose uniformity in the CDTN gamma irradiator

by Inderscience Publishers  (Mar. 6, 2015)

This paper describes an experimental study of dose uniformity within a container used for products irradiation, in the gamma irradiation facility at Nuclear Technology Development Center (CDTN). The CDTN is a research institute of the National Nuclear Energy Commission (CNEN), Brazil. Polymethylmethacrylate (PMMA) dosimeters were used in order to ...

Responses of wheat (Triticum aestivum) and turnip (Brassica rapa) to the combined exposure of carbaryl and ultraviolet radiation

by John Wiley & Sons, Ltd.  (Mar. 5, 2015)

The increase of ultraviolet radiation reaching the Earth's surface due to the increase of ozone layer depletion have affected crop production systems, and in combination with pesticides used in agricultural activities can lead to greater risks to the environment. The impact of ultraviolet radiation and carbaryl singly and in combination on ...

Disinfection of an advanced primary effluent using peracetic acid or ultraviolet radiation for its reuse in public services

by IWA Publishing  (Feb. 27, 2015)

The disinfection of a continuous flow of an effluent from an advanced primary treatment (coagulation-flocculation-sedimentation) with or without posterior filtration, using either peracetic acid (PAA) or ultraviolet (UV) radiation was studied. We aimed to obtain bacteriological quality to comply with the microbiological standard established in ...

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