| Acronym | Meaning |
| CARRI | Computerized Assessment Of Relative Risk Impacts |
| NADH | Reduced Nicotinamide Adenine Dinucleotide |
| NSF | National Sanitation Foundation |
| CCC | Correlated Coupled Cluster (quantum Calcn. Method) |
| GAXRD | Glancing Angle X-ray Diffraction |
| SCF | Spherical Convergent Flap |
| FMCW | Frequency Modulated Continuous Wave |
| AUSM | Advanced Utility Simulation Model |
| CSDW | Centrifugal Sudden (or Coupled States) Distorted Wave (methodfor Reactive Mol. Collisions) |
| STPD | Short Ton/day |