| Acronym | Meaning |
| SSMS | Spark Source Mass Spectrometry |
| TSD | Technical Support Document |
| PSD | Passive Sampling Device(s) (for Air Pollution) |
| AIBS | American Institute Of Biological Sciences |
| NTI | Negative Thermal Ionization (for Mass Spectrometry) |
| PMO | Perturbed Morse Oscillator (model Potential) |
| TSCATS | Toxic Substances Control Act Test Submissions Online Database |
| SF CC | Space-fixed Close-coupled (equation |
| ESD | Equiv. Spherical Diam. |
| FIIAA | Flow Injection Immunoaffinity Analysis |