| Acronym | Meaning |
| PRPP | Phosphoribosyl Pyrophosphate |
| EIP | Economic Incentive Program |
| ABES | Alliance For Balanced Environmental Solutions |
| ERP | Effective Refractory Period |
| N-BOD | Nitrogenous Biochemical Oxygen Demand |
| INTECOL | The International Association Of Ecology |
| SAACGS | State Ambient Air Concentration Guidelines Or Standards |
| RQDO | Relativistic Quantum Defect Orbital (method In Calcns. Of Oscillator Strengths) |
| JWKB | Jeffreys-Wentzel-Kramers-Brillouin (scattering Potential) |
| PMO | Perturbational Molecular Orbital |