| Acronym | Meaning |
| CBLM | Cluster-bethe-lattice Method (for Electronic-structure Calcns. On Crystals) |
| TPO | Temperature-programmed Oxidiation |
| ICS | Intermittant Control Strategy |
| EASOE | European Arctic Stratospheric Ozone Expt. |
| NADP | National Atmospheric Deposition Program |
| EIS | Emissions Inventory System (US EPA Air Database) |
| SPDM | Single-particle Density Matrix |
| CCOI | Coupled-channel Optical (potential Method With Only The) Imaginary (part Of The Complex Polarization Potential) |
| MOPS | 3-(N-morpholino)propanesulfonic Acid |
| PICT | Pollution-induced Community Tolerance |