Operation LAC
…from 1953 into the mid-1960s. In St. Louis in the mid 1950s, and again a decade later, the army sprayed zinc cadmium sulfide via motorized blowers atop Pruitt-Igoe, at schools, from the backs of station wagons, and via planes. Operation LAC was undertaken in 1957 and 1958 by the U.S. Army Chemical Corps. The…