| Acronym | Meaning |
| NDBEPR | Nitrification-denitrification Biological Excess Phosphorus Removal |
| CDW-IA | Continuum Distorted Wave-impulse Approxn. |
| IEE | Institution Of Electrical Engineers |
| ABO | Antibonding Bond Orbital |
| CTOF | Charge Time-of-Flight Spectrometer |
| MDH | Malate Dehydrogenase |
| NMDS | Nonmetric Multidimensional Scaling |
| WQR | Waste Form Qualification Report |
| CUSMAP | Conterminous United States Mineral Assessment Program |
| MPA | Multipurpose Additive |