| Acronym | Meaning |
| QWASI | Quantitative Water Air Sediment Interaction |
| EDC | Ethylene Dichloride |
| ETSAP | Energy Technology Systems Analysis Program |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| POC | Purgeable Organic Carbon |
| NCLAP | National Crop Loss Assessment Program |
| XEAPS | X-ray Excited Electron Appearance Potential Spectroscopy |
| HANS | Heavy Aromatic Naphtha Solvent |
| POX | Particulate Organic Halogen(s) |