| Abbreviation | Definition |
|---|---|
| ERT | Environmental Review Tribunal |
| ERTC | Environmental Release To Construction |
| ERTC | Environmental Resources Training Center |
| ERTD | Environmental Research and Technology Division (BNL) |
| ERTF | Exposure Reduction Task Force |
| ERTP | Environmental Response Training Program |
| ERTR | Environmental Resources Technical Report |
| ERV | Energy Recovery Ventilator |
| ERW | Explosive Remnants of War |
| ERWDA | Environmental Research And Wildlife Development Agency |
| ERWM | Environmental Restoration and Waste Management |
| ERWM | Environmental Restoration Waste Management |
| ES | Emission Standard |
| ES | Environment Security |
| ES | Environmental Sampling |
| ES | Environmental Services |
| ES | Environmental Stewardship |
| ESA | Environmental Science Associates |
| ESA | Environmentally Significant Area |
| ESAA | Environmental Services Association of Alberta |