| Acronym | Meaning |
| XDBP | Halogenated Disinfection By-product |
| ASDWA | Association Of State Drinking Water Administrators |
| LCGO | Linear Combination Of Gaussian Orbitals |
| ARRP | Acid Rain Research Program |
| CSF | Catalyzed Soot Filter |
| ALWR | Advanced Light Water Reactor |
| RITE | Research Institute Of Innovative Technology For The Earth (Japan) |
| NQR | Nuclear Quadrupole Resonance |
| NRCC | National Research Council Of Canada |
| ESDIM | Earth System Data And Information Management |