| Acronym | Meaning |
| RCM | Rotated-coordinate Method |
| MEHT | Modified Extended Hueckel Theory |
| PPBA | Plane-wave Plane-wave Born Approximation |
| LCDA MO | Linear Combination Of Donor-acceptor Molecular Orbital Theory |
| SDSL | Site-directed Spin Labeling |
| GRGL | Groundwater Residue Guidance Level |
| ILTJ | Iodine-Laser Temperature Jump |
| MLVA | Multiple-locus Variable-number Tandem Repeat Analysispar |
| MSF | Multi-stage Flash Distillation Plant |
| CA | Corrective Action |