| Acronym | Meaning |
| ASDWA | Association Of State Drinking Water Administrators |
| NRM | Natural Remanent Magnetization |
| VOIE | Valence Orbital Ionization Energy |
| TDCC | Time-dependent Close-coupling |
| NL-SCF | Nonlocal (density Functional)-self-consistent Field |
| MESNA | Sodium 2-mercaptoethane Sulfonate |
| VO | Virtual Orbital |
| FDPM | Frequency-domain Photon Migration |
| ULPA | Ultra Low Penetration Air |
| BMR | Basal Metabolic Rate |