| Acronym | Meaning |
| EPA | United States Environmental Protection Agency |
| HI | Hydrogen Index |
| LDS | Leak Detection System |
| ONBI | Oligonucleotide Bridge Intercalator |
| LOPC | Laser Optical Particle Counter |
| FWPCA | Federal Water Pollution Control Administration |
| AMSR | Advanced Microwave Scanning Radiometer |
| FECAP | Ferroelectric Capacitor |
| ICCP | International Committee For Coal Petrology |
| PAM | Peptidylglycine Alpha-amidating Monooxygenase |