Modeling Subsurface Petroleum Hydrocarbon Transport
| BTEX | An acronym that represents benzene, toluene, ethylbenzene and xylene. |
| ERD | Ecosystems Research Division, National Exposure Research Laboratory, Office of Research and Development, United States Environmental Protection Agency. |
| Immiscible | Liquids that don't mix are said to be immiscible. Oil and water are often cited as an example. |
| MTBE | methyl tert-butyl ether. |
| NERL | National Exposure Research Laboratory, Office of Research and Development, United States Environmental Protection Agency. |
| LUST | leaking underground storage tank. |
| Nonaqueous phase liquid (NAPL) | A water-immiscible liquid that can cause ground water contamination. This term is unique to ground water contaminant hydrology. The common examples are fuels, chlorinated solvents, creosote and coal tar. A NAPL may be less dense than water--a Light Nonaqueous Phase Liquid (LNAPL), or it may be denser than water--a Dense Nonaqueous Phase Liquid (DNAPL). |
| UST | underground storage tank. |
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