| Acronym | Meaning |
| LAP | Latency-associated Peptide |
| LIS | Lightning Imaging Sensor |
| MDO | Max. Degree Of Order |
| OAR | Office Of Air And Radiation (USEPA) |
| MDLC | Multidimensional Liquid Chromatography |
| FFCA | Federal Facility Compliance Act |
| APPI | Atmospheric Pressure Photoionization |
| BEBO | Bond Energy Bond Order Method |
| TDS | Total Dissolved Solids |
| MEVVA | Metal Vapor Vacuum Arc |