| Acronym | Meaning |
| NELAC | National Environmental Laboratory Accreditation Conference |
| TDRH | Time-dependent Rotated Hartree (theory) |
| CME | Center For Marine Exploration |
| NPAR | Nonbinding Preliminary Allocation Of Responsibility |
| HDS-MAT | Hydrodesulfurization Micro-activity Test |
| RMM | Relative Molecular Mass |
| SEP | Solar Energetic Particle (event) |
| APT | Atomic Polar Tensor (in Ir Spectra Calcn.) |
| STORMS | Nevada Study And Tests Of The Release Of Mercury From Soils |
| TRPH | Total Recoverable Petroleum Hydrocarbons |