| EPA/RCRA | Environmental Protection Agency Resource Conservation and Recovery Act |
|---|---|
| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
| ETIBACK | Environmental Teratology Information Center Backfile |
| ETICBACK | Environmental Toxicology Information Center Backfile |
| HEEP | health effects of environmental pollutants |