| Acronym | Meaning |
| SI | Scale Index |
| AIPI | Ab Initio Perturbed Ion (calcn. Method) |
| LSRA | Least-squares Regression Analysis |
| ETV | Electrothermal Vaporization |
| DIMPP | Differential Integrated Multiple Pulse Polarography |
| WFGD | Wet Flue Gas Desulfurization |
| NCEA | National Center For Environmental Assessment |
| MD/MC-CEM | Molecular Dynamics/Monte Carlo-corrected Effective Medium |
| RESOLVE | Research On Operations Limiting Visual Extinction |
| GWRTAC | Groundwater Remediation Technologies Analysis Center |