| Acronym | Meaning |
| BIF | Banded Iron-formation |
| IFD | Industrial Facilities Discharge File (file Within STORET) |
| IWIC | International Waste Identification Code |
| FLAP | 5-lipoxygenase-activating Protein |
| RAM | Random Access Memory |
| RACM | Regional Atm. Chem. Mechanism |
| TSDW | Torsional Spin Density Wave |
| GUGA | Graphical Unitary Group Approach |
| AGA | American Gas Association |
| TURA | Toxics Use Reduction Act 1989 |