| Acronym | Meaning |
| SMSI | Strong Metal-support Interaction |
| ELAS | Electro Acoustic Spectrometry |
| NPS | Nonpoint Source |
| HAZ | Heat-affected Zone |
| TRSERS | Time-resolved Surface Enhanced Raman Spectroscopy |
| LASS | Laser-assisted Spark Spectroscopy |
| BPH | Benign Prostatic Hyperplasia |
| SVC | Saturated Vapor Concentration (air Sampling) |
| BTCA | Best Technology Currently Available |
| CAR | Computer Aided Retrieval |