For how long should warning signs be posted during lead abatement?

Warning signs should be posted throughout the duration of the abatement project until clearance is achieved because this ensures that all individuals in proximity to the work area are aware of the ongoing lead hazards. Maintaining visibility of these warnings helps protect workers, residents, and visitors from potential exposure to lead dust and debris during the entire process.

Lead abatement involves hazardous activities that can release lead particles into the environment, thus making it critical to communicate the presence of these risks continuously. Posting warning signs until clearance is achieved aligns with safety regulations and ensures that the area remains secure until all lead-based hazards have been effectively managed and the space has passed any necessary clearance testing.

Other timeframes mentioned, such as only posting signs until the project starts or only during risk assessments, do not provide adequate protection throughout the potentially hazardous work period. Just having signs during initial stages would not be sufficient to keep individuals informed of ongoing risks during the actual work phase when lead exposure could occur.