In late April, the U.S. Environmental Protection Agency issued a ban on most uses of methylene chloride, a toxic solvent used for paint stripping and linked to over 85 deaths in the last 45 years. The ban forbids all consumer use of the substance, as well as most industrial and commercial uses. TheEPA did not completely ban all uses — it did allow some exemptions for the military, in addition to makers of climate-friendly coolants and electric-vehicle components.
Users often employ methylene chloride to refinish bathtubs …
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