| Acronym | Meaning |
| NTU | Nephelometric Turbidity Unit |
| OTLC | Open Tubular Liquid Chromatography |
| SUMP | Spin-constrained Unrestricted Moeller-Plesset |
| WEFT | Water Elimination By Fourier Transform |
| OSWER | Office Of Solid Waste And Emergency Response (USEPA) |
| ATTIC | Alternative Treatment Technology Information Center (US EPA) |
| LHRH | Luteinizing Hormone-releasing Hormone |
| BA + P | Best Atom + Polarization Function |
| ITER | International Thermonuclear Experimental Reactor |
| RMLC | Recommended Maximum Contaminant Level |