Show URANIUM STUDY SaUDY DENIES INJURY BY RADIOACTIVITY Washington Washington The The U. U S. S Pub Pub- lid Ill H Health alth Service reported yesterday yesterday yes I that a study of more than 1100 uranium mine and milt mill workers worker showed shO no e evidence c of physical injury caused by by radioactivity ra ta radioactivity The health service the Colorado Colo Cob rado Public Health Department and the industry have studied since 1950 the health of ot II urn urn um workers In Colorado Utah New Mexico and Arizona Surgeon General Leonard A. A said several potential health hazards were discovered and that uranium mine and and ana mill operators already have instituted in recommended remedies The recommendations included ed cd adequate ate ventilation to minimize minimize min radiation dust suppressive sive measures to minimize dust concentration in the air and nd dally dailY showers and frequent changes of clothes for the workers work work- ers to minimize contact with radioactive dust and other sub sub- stances |