| Acronym | Meaning |
| SEMPI | Singly Excited Modified Perturbation Theory |
| DBE | Distorted-wave Born Exchange |
| APXPS | Appearance Potential X-ray Photoemission Spectroscopy |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |
| MMVF | Man Made Vitreous Fibers |
| CRLAS | Cavity Ringdown Laser Absorption Spectroscopy |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| IDL | Instrument Detection Limit |
| SCAQS | Southern California Air Quality Study |
| AUSST | Automatic Synthesis Of Symptom Tree Model |