INSIGHTS

Laboratories, biotech companies, and manufacturing facilities across Massachusetts often operate as either Very Small Quantity Generators (VSQGs) or Small Quantity Generators (SQGs) under hazardous waste regulations. While facilities may routinely generate relatively small volumes of hazardous waste, temporary projects can quickly increase waste generation beyond normal monthly limits.

Common examples include:

• Laboratory cleanouts
• Facility moves or decommissioning projects
• Disposal of expired chemicals
• Equipment upgrades or shutdowns
• Research and development changes
• Waste consolidation activities

Under both EPA and Massachusetts hazardous waste regulations, Episodic Generation provisions may allow VSQGs and SQGs to maintain their normal generator status during temporary increases in hazardous waste generation, provided specific requirements are followed.

For facilities in Massachusetts, it is important to understand that hazardous waste activities are regulated through the Massachusetts Department of Environmental Protection under 310 CMR 30.00. Facilities considering episodic generation should evaluate:

• Notification and documentation requirements
• Proper hazardous waste labeling and container management
• Accumulation timelines for episodic waste
• Hazardous waste transporter and manifest requirements
• Generator category thresholds under Massachusetts regulations
• Coordination with Environmental Health & Safety personnel and waste vendors

Episodic generation events are commonly encountered during biotech laboratory closures, tenant improvements, and chemical inventory reduction projects throughout the Greater Boston and Cambridge life science market. Proper planning can help facilities remain compliant while avoiding unnecessary long-term generator category changes.