The Salt Storage Handbook - Illinois Department of
Use of salt and plowing prevents 7 of every 8 crashes that would occur on untreated snow and ice-covered winter roadways. Approximately 33 million tons of dry salt are produced each year in the United States and Canada. Some 15-25 million tons of it are used as deicing salt, the largest single usage. Salt has been used since the 1940s as a
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