| Acronym | Meaning |
| USP | United States Pharmacopeia |
| MPMMG | Marine Pollution Monitoring Management Group (UK) |
| ENR | Endogenous Nitrate Respiration |
| CAI | Compression After Impact |
| ESR | Electroslag Refining |
| LSND | Liquid Scintillator Neutrino Detector |
| NCCCS | Northern California Coastal Circulation Study |
| BIV | Bovine Immunodeficiency Virus |
| DOJ | U.S. Department Of Justice |
| DDIM | Dry Deposition Inferential Monitoring |