| Acronym | Meaning |
| HAPEMS | Hazardous Air Pollutant Enforcement Management System |
| LC-ESI-MS/MS | Liq. Chromatog.-electrospray Ionization-tandem Mass Spectrometry |
| DCBX | Distorted Coulomb-Born Exchange Approxn. |
| CRF | Chromatographic Response Function |
| SVI | Sludge Volume Index |
| OCIS | Optics Classification And Indexing Scheme |
| NSTC | National Science And Technology Council |
| RMP | Radon Measurement Proficiency |
| SIR | Statutory Invention Registration |
| NURSA | Nuclear Receptor Signaling Atlas |