| Acronym | Meaning |
| SWTR | Surface Water Treatment Rule |
| MR-MP | Multireference Moeller-Plesset (perturbation Theory) |
| ELKM | Extended Lumped Kinetic Model |
| NOAA | National Oceanic And Atmospheric Administration |
| UERPIC | Underground Excavation And Rock Properties Information Center |
| AMEL | Active-matrix Electroluminescent |
| UNDS | Uniform National Discharge Standards |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| SDGUGA | Shape-driven Graphical Unitary Group Approach |
| CARBASHD | Carbon-relayed Band-selected Homonuclear-decoupled |