| Acronym | Meaning |
| ASTHO | Association Of State And Territorial Health Officers |
| ARRP | Acid Rain Research Program |
| RRNA | Ribosomal Ribonucleic Acid |
| LRTI | Lower Respiratory Tract Infection |
| FWPCA | Federal Water Pollution Control Act Of 1972 |
| JCAMP | Joint Committee On Atomic And Molecular Physical Data |
| SPOT | Satellite Pour L'Observation De La Terre |
| BFEM | Bright Field Electron Microscopy |
| LOIS | Loss Of Interim Status |
| ALU | Arithmetic Logic Unit |