Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. EPA Reverses Approval for Poison Traps Used by Ranchers Associated Press The Environmental Protection Agency on Thursday reversed its preliminary decision allowing continued use of deadly sodium cyanide traps, blamed for injuring people and pets as well as their intended targets of coyotes and other predators. EPA head Andrew Wheeler said in a statement he had decided the agency needed to do more analysis and consulting regarding the so-called M-44 traps, devices embedded in the ground that look like lawn sprinklers but spray cyanide when triggered by animals attracted by bait. .