Acronyms
| 3TMO | 3-Tiered Monitoring and Optimization Tool |
| AIC | Akaike information criterion |
| AFCEC | Air Force Civil Engineer Center (formerly AFCEE) |
| AFCEE | Air Force Center for Engineering and the Environment (changed to AFCEC) |
| ASTM | American Society for Testing and Materials (now known just as ASTM International) |
| BIC | Bayesian information criterion |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
| CES | cost-effective sampling |
| CSM | conceptual site model |
| DQO | data quality objective |
| EDA | exploratory data analysis |
| ERIS | Environmental Restoration Information System |
| FIELDS | |
| GRASS | Geographic Resources Analysis Support System |
| GRO | Geostatistics for Remediation Optimization |
| GSMC | Groundwater Statistics and Monitoring Compliance |
| GTS | Geostatistical Temporal-Spatial optimization software |
| GUI | graphical user interface |
| GWSDAT | Groundwater Spatiotemporal Data Analysis Tool |
| IDW | Inverse Distance Weighting |
| ISM | Incremental Sampling Methodology |
| i.i.d. | independent and identically distributed |
| LNAPL | light nonaqueous phase liquid |
| LTM | long-term management |
| LTMO | long-term monitoring optimization |
| MAROS | Monitoring and Remediation Optimization Software |
| MNA | monitored natural attenuation |
| MSE | mean squared error |
| NAPL | nonaqueous phase liquid |
| NDMA | nitrosodimethylamine |
| PCB | polychlorinated biphenyl |
| Q-Q | quantile-quantile |
| RBF | radial basis function |
| RCRA | Resource Conservation and Recovery Act |
| RMSE | Root mean squared error |
| SADA | Spatial Analysis and Decision Assistance |
| SAS | Statistical Analysis System |
| USACE | U.S. Army Corps of Engineers |
| USEPA | United States Environmental Protection Agency |
| UST | underground storage tank |
| VBA | Visual Basic for Applications |
| VSP | Visual Sampling Plan |


