Acronyms
| API | American Petroleum Institute |
| AS | air sparging |
| ASTM | American Society for Testing Materials |
| ATSDR | Agency for Toxic Substance and Disease Registry |
| BTEX | benzene, toluene, ethylbenzene, and xylenes |
| CFR | Code of Federal Regulations |
| CL:AIRE | Contaminated Land: Applications in Real Environments |
| COC | constituents of concern |
| CPT | cone penetrometer testing |
| CSM | conceptual site model |
| CSU | Colorado State University |
| DCC | dynamic closed chamber |
| DNAPL | dense, non-aqueous phase liquid |
| DO | dissolved oxygen |
| DPE | dual-phase extraction |
| DPLE | dual pump liquid extraction |
| DRO | diesel range organics |
| EPA | Environmental Protection Agency |
| EPRI | Electric Power Research Institute |
| ERI | electrical resistivity imaging |
| ERT | electrical resistivity tomography |
| ESA | environmental site assessment |
| FID | flame ionization detector |
| FRGT-MST | Fractured Rock Geophysical Toolbox Method Selection Tool |
| GPR | ground penetrating radar |
| GSI | groundwater-surface water interface |
| ISC | Institute for Sustainable Communities |
| ITRC | Interstate Technology and Regulatory Council |
| LCSM | LNAPL Conceptual Site Model |
| LIF | laser induced fluorescence |
| LNAPL | light, non-aqueous phase liquid |
| LUST | leaking underground storage tank |
| MCL | maximum contaminant level |
| MPCA | Minnesota Pollution Control Agency |
| MIP | membrane interface probe |
| MNA | monitoring natural attenuation |
| MPE | multi-phase extraction |
| MW | monitoring well |
| NAPL | non-aqueous phase liquid |
| NOAA | National Oceanographic and Atmospheric Administration |
| NRC | National Response Center |
| NSZD | natural source zone depletion |
| OBB | oleophilic biobarrier |
| O&M | operations and maintenance |
| ORP | oxidation-reduction potential |
| OSC | on-scene coordinator |
| PAH | polycyclic aromatic hydrocarbons |
| PHC | petroleum hydrocarbon compound |
| PID | photoionization detector |
| PVI | petroleum vapor intrusion |
| RCM | reactive core mat |
| RCRA | Resource Conservation and Recovery Act |
| RTDF | Remediation Technologies Development Forum |
| SESR | surfactant-enhanced subsurface remediation |
| SMART | specific, measurable, attainable, relevant, and timely |
| SVE | soil vapor extraction |
| SVOC | semi-volatile organic compound |
| TEA | terminal electron acceptor |
| TI | technical impracticability |
| Tn | transmissivity |
| TPE | two-phase extraction |
| TPH | total petroleum hydrocarbon |
| TPHCWG | Total Petroleum Hydrocarbon Criteria Working Group |
| USACE | U.S. Army Corps of Engineers |
| USAEC | U.S. Army Environmental Center |
| USEPA | United States Environmental Protection Agency |
| USGS | United States Geological Survey |
| UST | underground storage tank |
| UV | ultraviolet fluorescence |
| VEFR | vacuum enhanced fluid recovery |
| VOC | volatile organic compound |
