| Acronym | Meaning |
| ZPE | Zero-point Energy |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |
| EMTS | Environmental Monitoring Testing Site |
| NPO | National Program Office |
| ESW | Equivalent Slab Waveguide |
| NSOM | Near-field Scanning Optical Microscopy |
| COADS | Comprehensive Ocean-Atmosphere Data Set |
| NSF | National Sanitation Foundation |
| MW | Molecular Weight |
| UPW | Ultrapure Water |