| Acronym | Meaning |
| PRISM | Parameter-related Internal Standard Method |
| PSII | Plasma Source Ion Implantation |
| QHE | Quantum Hall Effect |
| CALUX | Chemical-activated Luciferase Expression |
| ONDOR | Optical Nuclear Double Resonance |
| NES | Neurobehavioral Evaluation System |
| FILTER | Filtration And Irrigated Cropping For Land Treatment And Effluent Reuse |
| AMU | Atomic Mass Unit |
| DCO | Delayed Compliance Order |
| CIH | Certified Industrial Hygienist |