Choosing the Right Sampling Cyclone for Silica Dust ...
In 10 Quick Facts on OSHA's New Silica Dust Rules, we explained how OSHA is cracking down on airborne crystalline silica. In a concerted effort to eliminate the numerous health problems linked to the dangerous dust, OSHA is reducing silica's permissible exposure limit (PEL) to 50 micrograms per cubic meter of air over 8 hours – a considerable change to the original limit.
Equipment Piece #1: The CycloneAirborne silica dust is measured by using a device called a sampling cyclone. This is a relatively small piece of equipment that clips on to a work...Equipment Piece #2: The PumpThe pump draws a measured amount of air into the cyclone. It is imperative to use a pump that has "constant flow control" functionality. This allow...United States vs. European Flow RatesOne of the most important aspects of air sampling is the cyclone's flow rate. The flow rate allows the cyclone to mimic the human respiratory syste...Top Sampling Cyclone OptionsThe old OSHA rules actually called out three specific cyclones. We'll refer to these as "The Big Three" from now on: 1. Dorr-Oliver cyclone 2. Higg...Which Cyclone Should You use?Since OSHA's rules don't limit you to a specific cyclone, you're probably wondering which one is best for your situation. Although The Big Three ar...
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