| Acronym | Meaning |
| DHMS | Dense Hydrous Magnesium Silicates |
| VPDB | Vienna Peedee Belemnite |
| ISC | Industrial Source Complex |
| ERC | Emissions Reduction Credit |
| GEMI | Global Environmental Management Initiative |
| LSDA | Local Spin Density Approximation |
| IEP | Isoelectric Point |
| TOXLINE | Toxicology Information Online (NLM) |
| ACFM | Actual Cubic Feet Per Minute |
| STM | Scanning Tunneling Microscopy |