| Acronym | Meaning |
| EMR | Electromagnetic Radiation |
| APA | Administrative Procedure Act |
| NIWA | National Institute For Water And Atm. Research [New Zealand] |
| NADP | National Atmospheric Deposition Program |
| OSWSV | Osteryoung Square Wave Stripping Voltammetry |
| INDO/2-AHP | INDO/2-average Hole Potential |
| SULEV | Super Ultra-low Emission Vehicle |
| IGF | Inert Gas Fusion |
| THG | Third Harmonic Generation |
| CSF | Catalyzed Soot Filter |