CDPH Lead Inspector/Assessor California State Practice Exam

How long may large-quantity generators store hazardous waste?

1. 60 days

2. 90 days

3. 120 days

4. 180 days

The correct answer is: 90 days

Large-quantity generators of hazardous waste are permitted to store their waste on-site for up to 90 days without needing to obtain a storage permit, as long as they comply with the requirements outlined in the Resource Conservation and Recovery Act (RCRA). This timeframe allows generators to safely manage and store their waste while ensuring proper procedures are in place for disposal or treatment. Storing hazardous waste for longer than 90 days typically requires specific permitting and compliance with more stringent regulations, which is why options indicating shorter or longer storage periods are not applicable for large-quantity generators. The 90-day limit strikes a balance between allowing sufficient time for waste management decisions and ensuring that hazardous materials do not pose a risk to health and the environment.