Slightly Flammable? Low GWP Refrigerants and PSM

“You can’t get a little bit pregnant, son.”  — Hal Holbrook as Lou Mannheim in Wall Street, (1987) A whole new group of processes are about to become PSM-covered. Maybe. Some HVAC contractors have begun warning their customers that the new low-GWP refrigerants that they must switch to are “slightly flammable”, so may come under [...]

Squeezing the Balloon

“Squeezing a balloon in one place makes it expand in another.”  — Bernd Debusmann Finally. 2020, the worst year in living memory for most of us, is over. 2021 promises to be much, much better. Let’s make it a year when workplace safety gets better as well. To do that, though, we can’t just keep [...]

By |2020-12-31T19:01:28+00:00December 31st, 2020|Gas, Training, Workplace Safety|0 Comments

H21: Is Hydrogen a Safe Fuel?

“The two most common elements in the universe are hydrogen and stupidity.” - Harlan Ellison I first learned about H21, the project to convert the fuel gas distribution system in the North of England from natural gas to hydrogen, at a safety conference where I gave a talk on containing hydrogen deflagrations within pressure vessels. [...]

By |2019-08-08T14:23:25+00:00August 8th, 2019|Chemicals, Gas|0 Comments

External Plant Fires: What’s the Likelihood?

“A spark neglected makes a mighty fire.”  Robert Herrick During a process hazard analysis (PHA) and a layer of protection analysis (LOPA), the scenario of an external plant fire frequently arises. From our experience facilitating PHAs and LOPAs, we’ve found that a common cause for this is a pooling of flammable liquid or oil getting [...]

By |2018-01-30T20:13:52+00:00September 7th, 2017|Chemicals, Gas, PHA, Process Safety, Risk Assessment|1 Comment
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