| Acronym | Meaning |
| SEN | Submerged Entry Nozzle |
| MAC | Methyl Allyl Chloride |
| SASS | Source Assessment Sampling System |
| PMIRRAS | Polarization Modulation Infrared Reflection Absorption Spectroscopy |
| CTM | Conditional Test Method |
| SLE | Solid-liquid Equilibria |
| LAAS | Laser Atomic Absorption Spectrometry |
| YSGG | Yttrium Scandium Gallium Garnet |
| CTAB | Cetyl Trimethyl Ammonium Bromide (cationic Surfactant) |
| SEIRA | Surface-enhanced Infrared Absorption |