| Acronym | Meaning |
| GEF | Guanine Nucleotide Exchange Factor |
| CMLS | Chemical Movement In Layered Soils |
| BID | Background Information Document |
| SWRRB | Simulation For Water Resources In Rural Basins |
| STXM | Scanning Transmission X-ray Microscope |
| RSKERL | Robert S. Kerr Environmental Research Laboratory |
| RRPA | Relativistic Random Phase Approximation |
| ZRL | Zero Risk Level |
| SWV | Square Wave Voltammetry |
| FFA | Flammable Fabrics Act |