contaminated air Articles
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Lead (Pb) on Surfaces by a Portable X-Ray Fluorescence (XRF) Analyzer
This surface sampling method was developed to provide a reliable, portable procedure that will provide prompt measurement of surface contamination levels of lead. Information gained from samples taken during an initial walk-through portion of an inspection may influence decisions regarding the next steps to take, making the inspection more productive. Immediate clearance of clean areas such ...
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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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Ground Zero Air Quality Has A Long Way To Go! A Summary of Air Quality Testing in Surrounding Buildings
There are still a wide range of concerns about air quality in the vicinity of Ground Zero. Many commercial and residential spaces have yet to be re-occupied. In only a few cases has any sort of inspection or testing been done to determine if they are safe to occupy. The greatest concerns are asbestos and the very irritating concrete dust that spread throughout lower Manhattan during the collapse ...
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Reduction in MRSA environmental contamination with a portable HEPA-filtration unit
Summary There is renewed interest in the hospital environment as a potentially important factor for cross-infection with methicillin-resistant Staphylococcus aureus (MRSA) and other nosocomial pathogens. The aim of this study was to evaluate the effectiveness of a portable high-efficiency particulate air (HEPA)-filtration unit (IQAir Cleanroom H13, Incen AG, Gold-ach, Switzerland) at reducing ...
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Large eddy simulation modelling of the dispersion of radioactive particulate matter
Field experiments with a Radioactive Dispersion Device (RDD) were performed by the National Radiation Protection Institute (NRPI) of the Czech Republic. We present the results of computer simulations of these experiments using a new microscale model, Charles University Large Eddy Microscale Model (CLMM). The model was first validated using wind tunnel data for the dispersion of continuous passive ...
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Do I need a Phase I Environmental Site Assessment (Phase I ESA) and What do they cost?
A Phase I Environmental Site Assessment, often called a Phase I ESA, is generally performed on a commercial property usually as part of a sale/purchase or commercial financing by a broker or other lending institution. The objective is to protect a prospective buyer, property owner, or lending institution from some unforeseen aspect of the property that could affect the value or saleability of ...
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Who needs a Phase I Environmental Site Assessment (Phase I ESA) and What do they cost?
Phase I Environmental Site Assessment A Phase I Environmental Site Assessment, often called a Phase I ESA, is generally performed on a commercial property usually as part of a sale/purchase or commercial financing by a broker or other lending institution. It is intended to protect a prospective buyer, property owner, or lending institution from some unforeseen aspect of the property that could ...
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I need a Phase I Environmental site assessment (Phase I ESA) Who do I call?
A Phase I Environmental Site Assessment (Phase I ESA) A Phase I Environmental Site Assessment (Phase I ESA) is used to determine the liability to property buyers or financial institutions during mergers and acquisitions, refinancing of commercial real estate, and other situations in order to identify the environmental risks of a site and satisfy the “due diligence” efforts to ...
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