| Acronym | Meaning |
| FTP | US Federal Test Procedure (for Exhaust Catalysts) |
| POM | Polarized Optical Microscopy |
| APHA | American Public Health Association |
| PMPIN | Pre-Manufacturing And Pre-Importation Notification |
| CSD | Crystal Size Distribution |
| FLIR | Forward-looking Infrared |
| TSD | Treatment, Storage, Or Disposal |
| CDRH | Center For Devices And Radiological Health |
| ALS | Amyotrophic Lateral Sclerosis |
| SPEM | Scanning Photoemission Microscopy |