| Abbreviation | Definition |
|---|---|
| DNR | Department of Natural Resources |
| DNR | Deplete Natural Resources |
| DNR | Destruction of Nature Resources |
| DNREC | Department of Natural Resources and Environmental Control |
| DNZCB | Designing Net Zero Carbon Building |
| DOA | Date Of Accident |
| DOC | Documentation Of Compliance |
| DOEHRS | Defense Occupational and Environmental Health Readiness System |
| DOEHRS | Defense Occupational and Environmental Health Reporting System |
| DOEHRS | Defense Occupational Environmental and Health Readiness System |
| DOER | Dredging Operations and Environmental Research |
| DPCC | Delhi Pollution Control Committee |
| DPCC | Discharge Prevention, Containment, and Countermeasure |
| DPEA | Directorate for Planning and Environmental Appeals |
| DPEA | Draft Programmatic Environmental Assessment |
| DPEH | Department of Public Environmental Health |
| DPER | Department of Permitting and Environmental Review |
| DPL | Dayton Power & Light Company |
| DPR | Diesel Particulate Reduction |
| DR | Disaster Response |