| Acronym | Meaning |
| DIN | Dissolved Inorganic Nitrogen |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) |
| MACSIMS | Measurement Of Atmospheric Constituents By Selective Ion Mass Spectrometry |
| EPCE | Effective Pair Correlation Energy Method |
| CIOS | Complex Infinite Order Sudden (approxn. In Quantum Calcns.) |
| CWM | Chemical Waste Management |
| ISBN | International Standard Book Number |
| BST | Barium Strontium Titanate |
| DRPA | Direct Random Phase Approximation |