| Acronym | Meaning |
| SLEEP | Scanning Low Energy Electron Probe |
| LCGTO-LDF | Linear Combination Of Gaussian-type Orbitals-local Density Functional |
| ETAAS | Electrothermal Atomic Absorption Spectrometry |
| PEEM | Panel Of Experts On Environmental Management |
| CLAMP | Center For Laser Aided Materials Processing |
| ENR | Endogenous Nitrate Respiration |
| ACWA | American Clean Water Association |
| RINDO | Rydberg Intermediate Neglect Of Differential Overlap |
| ZOAO | Zero Overlap Of Atomic Orbital Approxn. |
| GAC | Granular Activated Carbon |