DHAs: An OSHA Requirement?

“Speed limit 55. It’s not just a good idea. It’s the law.”  — Advertising Council and U.S. Department of Transportation (1977) Ever since the National Fire Protection Association (NFPA) published the 2019 Edition of NFPA 652, Standard on the Fundamentals of Combustible Dust, which states in §7.1.1.2 that a Dust Hazard Analysis (DHA) must be [...]

Don’t Want No Static

“Electricity can be dangerous. My nephew tried to stick a penny into a plug. Whoever said a penny doesn’t go far didn’t see him shoot across that floor. I told him he was grounded.”  — Tim Allen When I was fresh out of grad school, I had a job in process development. One project involved [...]

Combustible Dust Tests: Now What?

“We have first raised a dust and then complain we cannot see.”  — George Berkeley You don’t need to be convinced that combustible dusts are hazardous. You’ve seen the photographs of demolished grain elevators, of the Imperial Sugar plant in Port Wentworth, Georgia looking like the Dresden firebombing in World War II. You’ve heard about [...]

That’s Hazardous? Process Safety in Unexpected Places

“If you do not expect the unexpected you will not find it, for it is not to be reached by search or trail.” –Heraclitus I work for a process safety consulting company and we often participate in community events that bring members of the general public through our door.  The first question we always encounter [...]

By |2018-08-23T14:47:09+00:00August 23rd, 2018|Chemicals, Combustible Dust, Process Safety|0 Comments

Spark Detection

“A mighty flame follows a little spark.”  Dante Alighieri Sparks can cause fires. Good news if you want fire. Bad news if fires, or worse, explosions, are something you want to avoid. So, it should come as no surprise that the National Fire Protection Association takes a dim view of sparks. The Dust Hazard Analysis [...]

Settling for More: Will a Grain Explosion Lead to Greater Safety?

“Issuance of this Citation does not constitute a finding that a violation of the Act has occurred.”  —from OSHA Citation and Notification of Penalty On October 29, 2011, a grain elevator explosion in Atchison, Kansas killed six men—four employees and two grain inspectors. OSHA cited the Bartlett Grain Company’s facility and proposed a fine of [...]

By |2018-01-19T13:56:54+00:00January 11th, 2018|Combustible Dust, Current Events|0 Comments
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