Wikipedia
DEQ
DEQ can refer to
- Delivered Ex Quay, an international commercial Group D term
- Department of Environmental Quality, any of various U.S. state agencies:
- Idaho Department of Environmental Quality
- Louisiana Department of Environmental Quality
- Michigan Department of Environmental Quality
- Oklahoma Department of Environmental Quality
- Oregon Department of Environmental Quality
- Utah Department of Environmental Quality
- Differential equation
- the FAA airport location identifier for J. Lynn Helms Sevier County Airport in De Queen, Arkansas