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Bill Levinson

Hand Sanitizers are Flammable

“Hand Sanitizers Pose Risks” in Chemical Engineering Progress (September 2020) reminds us that alcohol-based hand sanitizers are flammable and can be ignited by electrostatic discharge. While hand sanitizers are important in the prevention of Covid-19, we must remember that, if…

Don’t Bypass Safety Devices

“Don’t Override Safety Devices” in Chemical Engineering Progress (November 2020) reports that workers intentionally disable one-third of safety interlocks and similar devices. This is particularly dangerous because these devices make accidents impossible–e.g. a skid loader will not operate unless there…
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