| Acronym | Meaning |
 | WPAC | Working Party On Analytical Chemistry |
 | HERV | Human Endogenous Retrovirus |
 | DI | Direct Injection (engine; Diesel) |
 | MAK | Maximale Arbeitplatz Konzentration; Maximum Allowed Concentration At Workplace |
 | DPUMPN | Double-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
 | UCAR | University Corporation For Atmospheric Research |
 | CPOM | Coarse Particulate Organic Matter |
 | MBT | Many-body Theory |
 | QRM | Quadratic Rubinow Method (variational Method For Scattering) |
 | SULEV | Super Low Emission Vehicle |