Chemical accidents rise as Trump administration proposes weakening safety rules
Physicist Ronald Koopman appeared at a Southern California Air District meeting in 2018 to talk about what seemed like an arcane scientific topic: hydrofluoric acid dispersion and water mitigation testing. Hydrofluoric acid, also known as hydrogen fluoride or HF, is used to manufacture a range of…
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Appeared in: 2026-07-01 (#14)