- Aboveground Storage Tank
- Asbestos Disposal Sites
- Auto Salvage Yards – NH Green Yards Program
- Brownfields
- Department of Defense Sites
- Financial Oversight Section
- Hazardous Waste Compliance Section
- Hazardous Waste Coordinator Certification Program
- Hazardous Waste Management Bureau
- Hazardous Waste Remediation (State Sites)
- Hazardous Waste Transporter Program
- Petroleum Reimbursement Fund
- Petroleum Remediation
- Groundwater Remediation Permitting – Release Detection Permits
- Reporting and Information Management Section
- Small Quantity Generator Self-Certification Program
- Solid Waste Compliance Subsection
- Solid Waste Management Bureau
- Solid Waste Permitting & Design Review Section
- Solid Waste Technical Assistance Section
- Spill Response and Complaint Investigation Section – Petroleum or Hazardous Waste
- Superfund Sites Management
- Underground Storage Tanks
- Used Oil Management
Programs, Bureaus and Units