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3421651 
Technical Report 
2014 Minerals yearbook. Arsenic [advance release] 
Bedinger, GM 
2015 
U.S. Geological Survey 
Reston, VA 
5 
English 
In 2014, the United States produced no arsenic and relied mainly on Morocco and China for arsenic trioxide and China for arsenic metal. No arsenic trioxide or commercial-grade arsenic metal has been produced domestically since 1985 following the closure of the ASARCO Incorporated copper smelter in Tacoma, WA. Arsenic trioxide was used mostly for the production of arsenic acid used in the formulation of chromated copper arsenate (CCA), a pesticide and preservative used to treat wood products for nonresidential applications such as guard rails, pilings, posts, railroad ties, and utility poles. Arsenic compounds were used in fertilizers, fireworks, glassmaking, herbicides, and insecticides. Arsenic metal was used for electronics applications and in nonferrous alloys. In 2014, estimated world production of arsenic trioxide was 36,400 metric tons (t). Production data for arsenic metal were not available 
IRIS
• Chromium VI
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