| Acronym | Meaning |
| TAC | Toxic Air Contaminant |
| SPEED | Selective Potentiostatic Etching By Electrolytic Dissolution |
| OAQPS | Office Of Air Quality Planning And Standards |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| BCRLM | Bending-corrected Rotating Linear Model (for Reactive Scattering) |
| QMD | Quantum Molecular Dynamics (for Calcns. On The Dynamics Of A Quantum Particle Coupled To A Classical Many-body System) |
| NLLSQ | Nonlinear Least Squares |
| IAETL | International Association Of Environmental Testing Laboratories |
| GHD | Growth Hormone Deficiency |
| ACFB | Atmospheric Circulating Fluidized Bed |