| Acronym | Meaning |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| A/CNK | [Al2O3/(CaO + Na2O + K2O)] (Shand's Index) |
| CC-EH | Coupled-cluster Effective Hamiltonian |
| CVG | Chemical Vapor Generation |
| IRI | Industrial Research Institute |
| CGRC | Crop Growth Research Chamber |
| RAST | Radioallergosorbent Test (immunoassay) |
| ISM | Inverse Scattering Method |
| GEWEX | Global Energy And Water Cycle Experiment |
| WQC | Water Quality Criteria |