Hydrogen fluoride Fumes are highly irritating, corrosive, and - TopicsExpress

Hydrogen fluoride Fumes are highly irritating, corrosive, and poisonous. Repeated ingestion over time can lead to hardening of the bones, and contact with liquid can produce severe burns. A lethal dose is 1.5 grams. Absorption of substantial amounts of hydrogen fluoride by any route may be fatal. One of the hydraulic fracturing companies used 67,222 gallons of two products containing hydrogen fluoride in 2008 and 2009.

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