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Monthly Archives: July 2015

Keep Confined Spaces Safe With Air Ventilation Systems

air ventilation systemsBy definition, confined spaces come with a number of hazards, and one common hazard is air. If the air in a confined space is toxic, combustible or low in oxygen, it can be extremely dangerous.

Consequently, OSHA has standards, fact sheets and bulletins on the topic, including Procedures for Atmospheric Testing in Confined Spaces, Asphyxiation Hazard in Pits and Suffocation Hazards in Flat Storage Building and Tanks. OSHA standard 20 CFR 1910.146 applies to confined spaces and includes specifics on forced air ventilation.

Note also that OSHA recently issued its Final Rule on Confined Spaces in Construction (May 4, 2015). You can learn more about managing confined space hazards on our blog.

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Home and Emergency Thermostatic Mixing Valves: A Comparison

thermostatic mixing valvesIf you search for thermostatic mixing valves, you might be surprised at the huge divergence in price. While thermostatic mixing valves designed for emergency use are priced anywhere from $400 to $3000, you can pick up a thermostatic mixing valve for home use at any hardware store for around $100-$200. What gives?

What Are Thermostatic Mixing Valves?

Before we get into price, let’s review what a thermostatic mixing valve is. Whether used at home or with an emergency shower or eyewash station, thermostatic mixing valves serve the same purpose: to mix hot and cold water to make the output a comfortable temperature.

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Should You Choose Portable Eyewash Stations?

portable eyewash stationWe’ve written about eyewash stations before, specifically choosing the right eye wash station for your workplace and how to operate emergency eyewash stations.

In this blog post, we review the many reasons why you might choose portable instead of a plumbed unit (tied into your water supply) for your workplace.


Portability is an obvious benefit of portable eyewash stations. You can easily move them from place to place because they don’t require plumbing or drainage pipes.

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What Kind of Gas Detector Do You Need?

gas detectorIf you’re only familiar with home and office carbon monoxide (CO) detectors, you might be surprise at the wide variety and sophistication of gas detectors on the market. In this blog post, we’ll quickly review where gas detectors are typically deployed as well as some of the more popular options.

Does Your Workplace Need Gas Detectors?

Generally, gas detectors are used anyplace with potential gas hazards. This includes plants where hazardous vapors are produced, such as wastewater treatment plants. It also includes welding shops and other facilities where combustible gases could be present. Less obviously, it also includes confined spaces where gasses can accumulate.

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