| Acronym | Meaning |
| NTNCWS | Nontransient, Noncommunity Water Supplies |
| KEDF | Kinetic-energy Density Functional |
| LOVA | Lowest-order Variational Approxn. (for Electron-phonon Interactions In Metals) |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| TOXFP | Total Organic Halide Formation Potential |
| FTVS | Fourier Transform Visible Spectroscopy |
| DIPPR | Design Institute For Physical Property Data |
| SABS | South African Bureau Of Standards |
| AEE | Adverse Environmental Effect |
| APTIC | Air Pollution Technical Information Center |