| Acronym | Meaning |
| RFA | Regulatory Flexibility Analysis |
| XPED | X-ray Photoelectron Diffractometry |
| GW-PG | Gaussian-weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| QET | Quasi-equilibrium Theory |
| PSI | Pollution Standard Index |
| TOCSY | Total Correlation Spectroscopy |
| ATM | Asynchronous Transfer Mode |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| RMLC | Recommended Maximum Contaminant Level |
| UFFI | Urea-formaldehyde Foam Insulation |