Chicago:
Hundreds of residents have used free lead testing kits from the city to determine if their drinking water is contaminatÂed. A
Chicago Tribune analysis found that 30% of homes had concentratÂions above the federal limit.
Hundreds of residents have used free lead testing kits from the city to determine if their drinking water is contaminatÂed. A
Chicago Tribune analysis found that 30% of homes had concentratÂions above the federal limit.