| Acronym | Meaning |
| LDV | Light Duty Vehicle |
| TC-GME | Time-convolution Generalize Master Equation (in Quantum Tunneling Calcns.) |
| AOX | Adsorbable Organohalogens |
| ASMC | Arterial Smooth Muscle Cell |
| AS | Auger Spectroscopy |
| OSWER BBS | OSWER Electronic Bulletin Board System (see CLU-IN) |
| ABTS | 2,2'-azinobis(3-ethyl-benzthiazoline-6-sulfonic Acid) |
| PXRD | Powder X-ray Diffraction |
| DHFR | Dihydrofolate Reductase |
| OHER | Office Of Health And Environmental Research (US Dept. Of Energy) |