| Acronym | Meaning |
| HRBS | High Resolution Rutherford Backscattering |
| IABO | International Association Of Biological Oceanography (ICSU) |
| PERT | Program Evaluation And Review Technique |
| NOI | Notice Of Intent |
| OSW | Office Of Solid Waste (US EPA) |
| ERIS | Electrochemically Regenerated Ion Suppressors |
| PFA | Principal Factor Analysis |
| SNIF | Site-specific Natural Isotope Fractionation |
| IGCAR | Indira Gandhi Center Atomic Research |
| VGAO | Variable Gage Atomic Orbital |