| Acronym | Meaning |
| GCAM | Global Change Assessment Modeling |
| PEMFC | Proton Exchange Membrane Fuel Cell |
| L2MS | Laser-desorption Laser-ionization Mass Spectrometry |
| I AND C | Instrumentation And Control |
| MCE | Multichannel Eikonal (method For Scattering Calcns.) |
| AO | Office Of The Administrator |
| MTDNA | Mitochondrial DNA |
| DEHP | Bis(2-ethylhexyl) Phthalate |
| ESP | Exchangeable Sodium Percentage (soils) |
| DWPL | Drinking Water Priority List |