| Acronym | Meaning |
| ACD | Atmospheric Chemistry Division |
| APLR | Annual Pollutant Loading Rate |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |
| EOTC | European Organization For Testing And Certification |
| EXRHF | Extended Restricted Hartree-Fock |
| RIS | Radiation-induced Segregation |
| GIPQ | Gage Invariant Periodic Quantization |
| COHMED | Cooperative Hazardous Materials Enforcement Development Program |
| CSCF | Complex Self-consistent Field |
| GFRP | Glass Fiber Reinforced Plastics |