*Children can be tested for free at any of the City of Philadelphia's eight neighborhood health centers. Or call 215-685-6790 for locations.

*Parents or caregivers can also ask the child's pediatrician to do a blood test for lead.

*Homeowners can have their house tested for lead contamination for about $350 to $600, depending on size. Use state-certified lead-risk assessors.

*Names and numbers of assessors can be found at the city's Lead and Healthy Homes Program website or by calling 215-685-2332.