Author: sentryair

EPA releases final risk assessment on Trichloroethylene (TCE)

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In 2012, the Environmental Protection Agency (EPA) released a list of 83 chemicals identified for further investigation under the Toxic Substances Control Act (TSCA). Of those chemicals, Trichloroethylene (TCE) received a hazard rating of 3, meaning high level hazard concern for both human health and environmental toxicity. The EPA chose to review TCE because of… Learn More

Acid gas and chemical fume control during beer bitterness testing

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Home brewers, microbreweries and large-scale production plants often perform quality assurance tests throughout the brewing process to ensure a consistent, exceptional product. One of the tests in particular determines a beer’s bitterness ratio. Various measurement techniques can be performed to acquire this rating. The American Society of Brewing Chemists’ (ASBC) Method of Analysis Beer –… Learn More

Comparing Solder Fume Extractors: It’s all about the filter

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Whether you suffer from headaches after soldering or are trying to comply with OSHA regulations, certain considerations should be made before purchasing a solder fume extractor. There is a wide range of solder fume extractors on the market priced from $45 to several hundred dollars. Before you are tempted by the price tag, consider why… Learn More

Nobody wants to talk about it: a brief chronicle of feces fumes in labs

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Every day fecal matter goes under the microscope. There, lab technicians examine it for evidence of disease and parasites. Relatively recently, fecal matter transplants and pills have made medical news. Despite our squeamish reactions to this topic, fecal matter deserves respect – after all, it can force an airliner to go off course. Why do… Learn More

Reducing hexavalent chromium exposure with cleanable filter media

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Sentry Air Systems is excited to publish our Industrial Hygiene Report on the Control of Welding Fume Particulates using Cleanable Filter Media as it relates to Hexavalent Chromium. Hexavalent chromium [Cr(VI)] is highly regulated by the Occupational Safety and Health Administration (OSHA) due to the fact that Cr(VI) fume is a known human carcinogen. Cr(VI)… Learn More

Digital dentistry: Are you properly filtering those 3D printer fumes?

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As the price tag decreases and the precision and accuracy increases, the incorporation of 3D printers in dental and orthodontic practices are becoming more prevalent. For decades, dental professionals have been trained on the art of making molds, splints, partials, surgical drill patterns and a variety of other oral apparatuses. The easiest way to describe… Learn More

Respirable coffee dust extraction and filtration

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According to a publication from the World Health Organization, dust is considered to be a solid particle ranging in size from below 1 µm (micrometer or micron) up to at least 100 µm, which may become airborne, depending on origin, physical characteristics and ambient conditions. Below is a reference chart comparing the size of common… Learn More

Controlling formalin fumes during histology fixative process

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Histology is a branch of anatomy that deals with the minute structure of animal and plant tissue as discernible with a microscope. It is commonly performed by examining cells and tissues by sectioning and staining, followed by examination under a light microscope or electron microscope.1 An important step during this process is what is known… Learn More

Fume Extraction for Electrical Potting and Encapsulating Compounds

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Electrical components including PCBs, wires, and other assemblies require a form of “seal” to protect them from environmental exposures that could result in electrical shorts, sparks or complete electrical failure. There are a variety of products and techniques on the market used to create these seals. For today’s discussion we will focus on the product… Learn More