"Approximately three-quarters of the homes built before 1978 contain some lead-based paint. It may be on any surface, but is mostly found on exterior-painted surfaces, interior woodwork, doors, and windows. The use of lead-based paint in housing was banned in 1978 by the U.S. Consumer Product Safety Commission."
"Lead is highly toxic metal. It is particularly dangerous to children, whose growing bodies absorb more of the metal and whose brains and nervous systems are more sensitive to its damaging effects. Even low levels of lead in children reduce IQ, cause learning disabilities and behavioral problems, reduce attention span and retard physical development."
"Lead poisoning in adults can increase blood pressure, cause irritability, poor muscle coordination, and damage the kidneys, nerves and brain. Fetal development can also be affected.
"In general, any activity that disturbs paint in housing and child-occupied facilities built before 1978, including remodeling, repair, maintenance, electrical work, plumbing, painting, carpentry and window replacemnet, is subject to the requirements [of the Lead-Based Paint Renovation, Repair and Painting Rule]."
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