Reducing Lead Dust Exposure in Older Housing

Inclusion Criteria: * child under seven years of age with BLL \>5 µg/dL, * child must reside in housing built before 1978, and * child must sleep at home during participation in the two month-long study. Exclusion Criteria: * anything in child's health history that could affect the study results, or * any circumstance that could interfere with guardian's/parent's ability to consent and/or participate in the study.