| Acronym | Meaning |
| PEL | Permissible Exposure Limit |
| ICLS | Intracavity Laser Spectroscopy |
| ICRMS | International Chemical Regulatory Monitoring System |
| FOPIM | First Order Perturbation Iteration Method |
| PEXAFS | Photoemission Extended X-ray Absorption Fine Structure |
| PMP | Powder Melting Process |
| NAMA | National Air Monitoring Audits |
| AGB | Asymptotic Giant Branch (stars) |
| AMPS | 2-acrylamido-2-methylpropanesulfonic Acid [15214-89-8] |
| FIRST | Faint Images Of The Radio Sky At Twenty Centimeters |