| Acronym | Meaning |
| NARS | National Asbestos Registry System |
| OAQPS | Office Of Air Quality Planning And Standards |
| SPLP | Synthetic Pptn. Leaching Procedure |
| HGH | Human Growth Hormone |
| DESPOT | Driven-equilibrium Single-pulse Observation Of T1 |
| AKAP | A-kinase Anchoring Protein |
| FEL | Fixed Emission Limit |
| G2 | Gaussian-two (an Ab Initio Mo Theory For Mol. Energies Calcn.) |
| RKHS | Reproducing Kernel Hilbert Space |
| ETF | Exponential-type Function (an Ao) |