SANDY CITY IS LOCATED 15 MILES SOUTH OF SALT LAKE CITY AND HAS A POPULATION OF APPROXIMATELY 80,000. SANDY CITY WAS HOME TO 3 SMELTERS AND ONE SAMPLING WORKS IN THE LATE 1800S. SMELTING OPERATIONS TYPICALLY PRODUCES STACK EMISSIONS WITH ELEVATED METAL CONTENT. ALL OF THE SMELTERS, WHICH HAVE NOT OPERATED FOR MANY YEARS ARE LOCATED IN WHAT ARE NOW RESIDENTIAL AREAS. ELEVATED CONCENTRATIONS OF LEAD ARE FOUND IN AND AROUND PRIVATE PROPERTIES AND PLAY AREA, EXPOSING CHILDREN TO LEAD.