| Acronym | Meaning |
| CEMS | Continuous Emissions Monitoring System |
| AQSM | Air Quality Simulation Model |
| CESE | Complex Eigenvalue Shroedinger Equation |
| NCP | National Contingency Plan (Superfund) |
| HSC | Health And Safety Commission (UK) |
| IAEH | International Association For Environmental Hydrology |
| COSPAR | Committee On Space Research |
| QCDL | Quenched Cavity Dye Laser |
| BPL | Bone Phosphate Of Lime (phosphate Content As Calcium Phosphate) |
| MRS | Micro-Raman Spectroscopy |