| Acronym | Meaning |
| SFA | Segmented Flow Analysis |
| SCAB | South Coast Air Basin |
| GGA | Generalized Gradient Approxn. |
| ISRA | Image-space Reconstruction Algorithm |
| PPD | Purified Protein Derivative |
| LDFT | Local Density-functional Theory |
| BCP | Bromocresol Purple |
| NTP | National Toxicology Program |
| CNPGAA | Cold Neutron Prompt Gamma-ray Activation Analysis |
| ACIS | Advanced CCD Imaging Spectrometer |