| Acronym | Meaning |
| MECS | Manufacturing Energy Consumption Survey (DOE) |
| TPSR | Temp.-programmed Surface Reaction |
| GSA | General Services Administration |
| CAPCOA | California Air Pollution Control Officers Association |
| TTFA | Target Transformation Factor Analysis |
| SMC | Schwinger Multichannel (for Electron-mol. Scattering) |
| COED | Computer Optimized Experimental Design |
| FPM | Fine Particulate Matter |
| OPC | Optical Particle Counter |
| ECF | Electric Crystal Field |