Delaware Hazmat Transportation regulations & environmental compliance analysis

Delaware Hazmat Transportation: What you need to know

Governing Law and Regulations

Hazardous materials transporters: 29 Delaware Code (Del. C.) 8225

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Gasoline transporters: 7 Delaware Administrative Code (DE Admin Code) 1124.27

Regulatory Agencies

Department of Public Safety

Department of Safety and Homeland Security (DSHS)

Delaware Department of Natural Resources and Environmental Control (DNREC) Division of Air and Waste Management (DAWM)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Generally, Delaware follows the federal hazardous materials transportation regulations as they apply to motor carriers. The state has not adopted the requirements for immediate notice of hazardous materials incidents or for detailed hazardous materials reports (49 CFR 171.15 and 49 CFR 171.16).

Delaware has specific requirements that apply to the transportation of gasoline in tanker trucks.

Administration and enforcement. DAWM administers and enforces the gasoline transport rules. DPS issues commercial driver's licenses. DHSH enforces the hazardous materials transportation regulations.

State Requirements


7 DE Admin Code 1124.27

Gasoline tanker truck owners and operators are subject to delivery vessel permitting and testing requirements. The regulations ensure that tankers delivering to gasoline stations with Stage I controls are vapor controlled and vapor tight.

Each year, owners are required to:

  • Have each tanker truck tested for vapor-tight integrity.
  • Submit the test results to DNREC.

DNREC will review the test results to ensure vapor-tight compliance and issue a permit for each tanker. The permit is in letter form, and explains all ...

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