For all of the semiconductor industry’s legendary reputation for cleanliness, the actual processes that go into making chips use some of the nastiest stuff imaginable. Silicon oxide is comes from ...

Hydrofluoric acid (HA) and Hydrogen Fluoride (HF) are very poisonous, highly irritating and corrosive. Hydrofluoric acid or Hydrogen Fluoride is fatal if inhaled, if swallowed or in contact with skin.

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Hydrofluoric acid is highly dangerous because it can immediately penetrate the skin and destroy tissue. The Torrance refinery is one of only two in the state that still use the acid. Critics say that ...

State officials have fined the 3M Co. $80,000 for improper handling of hazardous chemicals in Cottage Grove. The Minnesota Pollution Control Agency said 3M did not correctly store barrels of ...