| Acronym | Meaning |
| NCAP | Noncriteria Air Pollutants |
| APO B | Apolipoprotein B |
| PTCA | Percutaneous Transluminal Coronary Angioplasty |
| EEW | Epoxy Equivalent Weight |
| ASECS | Antigen-specific Electrophoretic Cell Separation |
| MED | Mean Effective Dose |
| PVR | Pulmonary Vascular Resistance |
| FIRMR | Federal Information Resources Management Regulations |
| RMO | Rotated Morse Oscillator (function For Potential Surface) |
| SMR | Standardized Mortality Ratios |