Under what condition must an employer report the use of ACCM to Cal/OSHA?

The requirement for an employer to report the use of Asbestos Containing Construction Material (ACCM) to Cal/OSHA is particularly relevant when the amount being used is less than 100 square feet. This threshold is established to ensure that even smaller, potentially hazardous activities involving asbestos are properly monitored and reported, thereby aiming to protect worker health and safety.

Using less than 100 square feet of ACCM can still pose significant risks, given the known dangers associated with asbestos exposure. Reporting this usage allows for appropriate oversight and regulatory measures to take place, helping to manage any potential asbestos-related risks on the job site.

In contrast, other options suggest reporting thresholds that either do not align with regulatory requirements, such as reporting for any construction activity or for amounts greater than the allowable threshold, leading to an inconsistency with established safety regulations. Options related to emergency situations also fail to capture the preventive measures that reporting less than 100 square feet can provide. This focus on the specific and lower threshold reinforces the importance of diligence in environments where asbestos is present.