| Abbreviation | Definition |
|---|---|
| ERP | Exposure Response and Prevention |
| ERPB | Environmental Review and Preservation Board |
| ERR | Environmental Review Records |
| ERRA | Environmental Risk Resources Association |
| ERRG | Environmental Regulatory Research Group |
| ERRT | Environmental Remediation and Redevelopment Trust |
| ERS | Environmental Record Search |
| ERSC | Environmental Remote Sensing Center |
| ERSD | Environmental Remediation Sciences Division |
| ERSF | Environmental Review Services Form |
| ERSG | Environmental Remote Sensing Group |
| ERSI | Environmental Remediation Services Inc |
| ERSP | Environmental Remediation Sciences Program |
| ERSU | Environmental Remote Sensing Unit |
| ERT | Electronic Recycling and Trading |
| ERT | Electronic Recycling Trading |
| ERT | Energy Reduction Technique |
| ERT | Environmental Remediation Technologies |
| ERT | Environmental Research Tool |
| ERT | Environmental Response Team |