Science Memes

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fossilesque

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[OC] Acetone: A Thread (lemmy.dbzer0.com)

submitted 3 months ago* (last edited 3 months ago) by fossilesque to c/[email protected]

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I'm dying chat.

Credit: An anonymous labrat friend. Thank you.

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[–] [email protected] 40 points 3 months ago* (last edited 3 months ago) (7 children)

Y'all have a sink in your fume hood? We just had waste bottles.

[–] [email protected] 19 points 3 months ago (5 children)

Cup sinks in fume hoods used to be more common, but as a lab planner they are pretty rare requests nowadays. If I had to guess, it's probably to do with the move away from central acid-waste neutralization systems towards procedural controls dictating neutralization/dilution prior to disposal.

[–] [email protected] 9 points 3 months ago (1 children)

Wait, industry is moving away from central neutralization? My wife is the facilities manager for an R1 engineering department and they commissioned a building two years ago with a central acid collection tank -_-

[–] [email protected] 12 points 3 months ago* (last edited 3 months ago)

It varies from place to place, but the trend is away from them. I recently did a basis-of-design study for another R1 institution, and they said in no uncertain terms that they wanted to decommission the existing central system in their circa-1990 lab tower. Facilities departments often find them to be a PITA to manage and maintain, versus just requiring researchers to neutralize their acid waste before putting it down the sink, or collecting other hazardous waste to be taken away by a service

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