The Environmental Protection Agency has funded the program for the past two school years. The youngsters learn how to collect samples, which are later tested for lead content. A final project is the development of a brochure about the dangers of lead, which Shaw's students distribute around their neighborhoods. In Philadelphia alone, one in three children tested were found to have elevated levels of lead in their blood. Children in inner-city neighborhoods are most at risk for exposure to environmental lead.
Lead poisoning can slow a child's development and cause learning and behavioral problems.