| Acronym | Meaning |
| PNP | Purine Nucleoside Phosphorylase |
| COC | Contaminants Of Concern |
| NATA | National Air Toxics Assessment |
| CINDAS | Center For Information And Numerical Data Analysis And Synthesis |
| MAER | Maximum Allowable Emission Rate |
| PAS | Photoacoustic Spectroscopy |
| DIM | Dissolved Inorganic Matter |
| EPOCA | Environmental Project On Central America |
| NERAC | New England Research Applications Center |
| TESS | Transform Method For Extinction-scattering With Spatial Resoln. |