What are common sources of lead exposure in homes?

Lead exposure in homes often stems from lead-based paint and contaminated soil, particularly in properties built before 1978 when the use of lead-based paints was banned for residential properties. Lead-based paint can deteriorate over time, creating dust and chips that can be ingested or inhaled, posing significant health risks, especially to young children. Additionally, soil can be contaminated with lead from various sources, including the previous use of leaded gasoline and the erosion of lead-based exterior paint.

While fluorescent light bulbs can contain small amounts of mercury and other substances, they are not common sources of lead exposure. Wood paneling might not inherently contain lead, and though older homes may have lead in some types of finishes, it is not a primary source of lead exposure. Old electrical wiring, while it presents other hazards, does not contribute significantly to lead exposure in the home environment.

Therefore, the identification of lead-based paint and soil as common sources of lead exposure aligns with the historical context of lead use in residential settings and its ongoing impact on public health.