Call for medical aid. Dust irritating to eyes, nose, and throat. If inhaled will cause coughing, or difficult breathing. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen. Solid irritating to skin, and eyes. Harmful if swallowed. Remove contaminated clothing and shoes. Flush affected areas with plenty of water. If in eyes, hold eyelids open, and flush with plenty of water. If swallowed and victim is conscious, have victim drink water, or milk, and have victim induce vomiting. If swallowed and victim is unconscious or having convulsions, do nothing except keep victim warm.
Prager, J.C. Environmental Contaminant Reference Databook Volume 1. New York, NY: Van Nostrand Reinhold, 1995., p. 727