| Acronym | Meaning |
| SMAW | Shielded Metal Arc Welding |
| DODEC | Department Of Defense Environmental Contamination |
| OMEX | Ocean Margin Exchange |
| OHFS | Optimized Hartree-Fock-Slater |
| ORM | Other Regulated Material (DOT) |
| NRA | National Rivers Authority (UK) |
| ONWI | Office Of Nuclear Waste Isolation |
| COH | Coefficient Of Haze |
| ICPMS | Inductively Coupled Plasma Mass Spectrometry |
| ISCST | Industrial Source Complex Short Term Model (US EPA) |