| Acronym | Meaning |
| EMEG | Environmental Media Evaluation Guides |
| CAAA | Clean Air Act Amendments (of 1990) |
| ESEDD | Excited State Electron Density Differential Method |
| VSFS | Vibrational Sum Frequency Spectroscopy |
| NBSB | National Biomonitoring Specimen Bank |
| MITE | Miniature Inverted-repeat Transposable Element |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| ENAA | Epithermal Neutron Activation Analysis |
| CEPP | Chemical Emergency Preparedness Plan |
| COLIWASA | Composite Liquid Waste Sampler |