How should lead-contaminated surfaces be disposed of?

Proper disposal of lead-contaminated surfaces is critical due to the toxic nature of lead and its potential impact on human health and the environment. The correct answer involves labeling and treating these surfaces as hazardous waste, adhering to regulations set forth by local, state, and federal agencies.

This approach ensures that lead is handled safely and in compliance with the law, as improper disposal can lead to widespread contamination. By classifying lead-contaminated materials as hazardous waste, specific disposal protocols must be followed, which usually involve using licensed hazardous waste facilities that can manage and dispose of such materials responsibly to avoid any environmental harm.

The other methods mentioned would not adequately mitigate the risk posed by lead contamination. Washing with soap and water or covering with paint may lead to the re-suspension of lead particles or create a false sense of safety without actually addressing the underlying contamination. Furthermore, disposing of these materials in municipal landfills is not suitable due to regulations preventing hazardous waste from entering such sites, as it can pose serious risks to public health and the environment.