Division of Air and Waste Management

NOTE: DNREC's Tank Management Section held three public workshops for the Proposed Changes to the Notification and Soil Sampling Guidance in June 2012. If you missed the workshops, the proposed changes to Notification and Soil Sampling Guidance can be found in the documents below:

• Change in service
• Overexcavation requirements
• Change in substance stored
• Closure in place
• Removal
• Retrofit, repair, upgrade

 Read more about it in the Tank Management Section’s Think Tank newsletter!  

Regulation 

•  Regulations Governing Aboveground Storage Tank Systems (AST Regulations) or (Printable Version)
•  Regulations Governing Underground Storage Tank Systems (UST Regulations) or (Printable Version)
•  Regulations Governing the Control of Volatile Organic Compound Emissions (Vapor Recovery Regulations)
•  Regulations Governing Permits (Vapor Recovery Permit Regulations)
•  Regulations Order Form for UST or AST Regulations

Guidance

• Compliance Assistance Manual 
• Delaware Risk-Based Corrective Action
• Hydrogeologic Investigation Guide
• Sampling Requirements for Cathodic Protection Upgrade
• Sampling Requirements for Change in Service
• Sampling Requirements for Change in Substance Stored
• Sampling Requirements for Closure in Place 
• Sampling Requirements for Dispenser or Sump Upgrades
• Sampling Requirements for Internal Lining
• Sampling Requirements for Removal
• Sampling Requirements for Retrofit