The Mineral Policy Center has published a 16-page pamphlet on the hazards of mining with cyanide. For a free copy of Cyanide Uncertainties: Observations on the Chemistry, Toxicity, and Analysis of Cyanide in Mining Related Waters, contact Mineral Policy Center, 1612 K St. NW, Suite 808, Washington, DC 20006, 202/887-1872, or email: mpc-us@msn.com.

This article appeared in the print edition of the magazine with the headline Cyanide Uncertainties: Observations on the Chemistry, Toxicity, and Analysis of Cyanide in Mining Related Waters.

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