| Acronym | Meaning |
| RPDWR | Revised Primary Drinking Water Regulations |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| FIMDA | Fluorescence Intensity Multiple Distributions Analysis |
| APUD | Amine Precursor Uptake And Decarboxylation |
| CNTF | Ciliary Neurotrophic Factor |
| FDM | Field Desorption Microscopy |
| EBDC | Ethylenebis(dithiocarbamate) (fungicide) |
| NGDC | National Geophysical Data Center |