| Acronym | Meaning |
| AQCS | Analytical Quality Control Services |
| NZRPA | Normalized Zero-range Potential Approxn. |
| SAA | Serum Amyloid A |
| GCOS | Global Climate Observing System (WMO |
| ESI | Electrospray Ionization |
| HMQC | Heteronuclear Multiple-quantum Coherence |
| HLNCC | High Level Neutron Coincidence Counter |
| RHF | Restricted Hartree-Fock |
| PITT | Partitioning Interwell Tracer Test |
| VSTEP | Vertical-to-surface Transmission Electrophotonic Device |