| Acronym | Meaning |
 | ZRPA | Zero-range Potential Approximation |
 | ADDC | Ammonium Diethyldithiocarbamate |
 | VLE | Vapor-liquid Equilibrium |
 | EPAAR | EPA Acquisition Regulation Manual |
 | UAM | Urban Airshed Model |
 | MLCPA | Maximum Likelihood Principal Component Analysis |
 | ICSU | International Council Of Scientific Unions |
 | TCF | Totally Chlorine-free [in Pulp Industry] |
 | RID | Recrystn. Induced Diffusion |
 | MOD | Metalorganic Decomposition |