For buildings built before 1960, what percentage of units should be tested if there are more than 1040 total units?

In buildings constructed before 1960, if there are more than 1,040 total units, the recommended percentage of units to be tested is 5.8%. This figure is based on regulatory guidelines aimed at determining the prevalence of lead-based paint hazards in larger housing complexes. The rationale behind this percentage is to ensure that a statistically significant sample of units is analyzed to accurately reflect conditions throughout the entire property while balancing the need to limit costs and logistical challenges associated with testing a too-large number of units.

Testing a percentage of units instead of the entire population allows for a thorough evaluation of potential lead risks without the impracticalities of testing every single unit, which can be costly and time-consuming. This approach helps property owners or managers identify areas in need of remediation and provides necessary data to develop appropriate hazard control measures.

Other percentages do not align with the established guidelines for lead testing in larger buildings, which emphasizes the importance of adhering to recommended practices for health and safety assessments.