| Acronym | Meaning |
| COLIWASA | Composite Liquid Waste Sampler |
| NATO | North Atlantic Treaty Organization |
| OTIS | One-dimensional Transport With Inflow And Storage |
| GRNN | Generalized Regression Neural Network |
| NACCA | North American Council Of Chemical Associations |
| PESC | Photoelectrochemical Solar Cell |
| VES | Vapor Extraction System |
| TIRM | Total Internal Reflection Microscopy |
| MRL | Maximum Residue Limit |
| EOX | Extractable Organic Halides |