| Acronym | Meaning |
| NNLS | Non-negative Least-squares |
| APCI | Atm. Pressure Chem. Ionization |
| DMC | Double Metal Cyanide |
| AQDHS | Air Quality Data Handling System |
| EPFM | Elasto-plastic Fracture Mechanics |
| DOT | Department Of Transportation |
| TRELIBS | Time Resolved Laser Induced Breakdown Spectroscopy |
| PLIRRA | Pollution Liability Insurance And Risk Reduction Act |
| SMDE | Static Mercury Drop Electrode |
| HAISP | High Altitude Interactive Science Platform |