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Search Articles Biosafety Level 3 (BSL-3) Facilities June 30, 2011 Biosafety Level 3 is applicable to clinical, diagnostic, teaching, research, or production facilities in which work is done with indigenous or exotic agents which may cause serious or potentially lethal disease as a result of exposure by the inhalation route. Laboratory personnel have specific training in…

Search Articles Aerosol Treatment Chambers June 30, 2011 While the largest amount of filtration business in a healthcare facility is typically found within the air handling system, there are many unique applications where filtration is used as part of a diagnostic or medical treatment procedure. One of these applications is the aerosol treatment chamber. An…

Search Articles Cleanrooms, Minimum Testing Criteria June 30, 2011 (Ed. Note: The largest number of cleanrooms is divided between the semi-conductor industry, driven by increased yield (or decreased cull rates), and the pharmaceutical/ medical device industry driven by health-related concerns of not causing death or illness to the public along with FDA regulatory concerns. In…

Search Articles Dealing With Schools’ Ventilation Problems June 30, 2011 Officials at Keefe Technical School upgraded filter efficiency and found out the improvement keeps the ductwork clean while operating the heating and cooling coils at peak energy efficiency. Statistics from the National Center for Education Statistics are a bit unnerving: 53 million school children and…

Search Articles The Purpose of Paint Arrestors June 30, 2011 It does sound “green” to say overspray collectors keep the environment cleaner, but let’s face facts; keeping the exhaust stack and fan free of overspray build-up ensures that an exhaust system can properly remove VOC’s (volatile organic compounds) and other noxious vapors from a spray…

Search Articles Pressure Drop and Electrical Cost Considerations in Filter Performance June 30, 2011 Running a filter to the final manufacturer’s recommended pressure reading could mean you are squeezing every last penny of cost from the filter. It could also mean you just wasted more money in energy costs because of the extra time it…

Search Articles Selecting Proper Air Filter Efficiencies for Commercial Buildings June 30, 2011 Introduction The information provided here is intended to assist those responsible for making technical decisions to improve air filtration in commercial buildings. These would include offices, retail facilities, schools, churches, transportation terminals, and public arenas such as sports coliseums, and malls. The…

Search Articles Controlled Environments – Explained June 30, 2011 When someone mentions a “controlled environment” most people think of a cleanroom or operating room. In actuality, there are 15 general categories of controlled environments1 and many subcategories under these. One of the most prevalent types of controlled environments, probably right down the street from you…

Search Articles Selling in the New Era June 30, 2011 Make no mistake about it. It is tougher than it used to be for the filter sales professional. It is a different environment than even five years ago. Sales and/or profit margins may be down; companies are reeling. With the new global economy, manufacturers are…

Search Articles Effectiveness of Germicidal UV Radiation for Reducing Fungal Contamination within Air-Handler Units June 29, 2011 This is a summary of research completed on the fungi growing on insulation within air-handling units (AHUs) in an office building and levels of airborne fungi within the AHUs measured before the use of germicidal UV lights and…