| Acronym | Meaning |
| PA-FTIR | Photoacoustic Fourier Transform Infrared Spectroscopy |
| APPH | Auger Peak To Peak Height |
| PCSFC | Packed Column Supercritical Fluid Chromatography |
| MLCFA | Maximum Likelihood Common Factor Analysis |
| PHRED | Public Health Risk Evaluation Data |
| ASEAN | Assocn. Of South-East Asian Nations |
| NAEG | Nevada Applied Ecology Group (of US Department Of Energy) |
| HESP | Human Exposure To Soil Pollutants |
| SS | Split-shell (gaussian Basis Set) |
| GISNET | Geographic Information Systems Bulletin Board |