| Acronym | Meaning |
| TADAP | Transport And Deposition Of Acidifying Pollutants (European Environmental Model) |
| CITAC | Cooperation On International Traceability And Analytical Chemistry |
| ZHE | Zero-headspace Extractor (used In TCLP Determinations) |
| LATS | Long-Acting Thyroid Stimulator |
| SEHF | Spin-extended Hartree-Fock |
| EMBL | European Molecular Biology Laboratory |
| TCPTP | T-cell Protein Tyrosine Phosphatase |
| PEMS | Predictive Emission Monitoring System |
| OCP | Organochlorine Pesticide |
| QDPT | Quasi-degenerate Perturbation Theory |