| Acronym | Meaning |
| CCM | Cyclic Cluster Model (in CNDO For Deep Levels In Solids) |
| PMDL | Practical Method Detection Limit |
| NBS | Nucleotide-binding Site |
| SPARC | Stratospheric Processes And Their Role In Climate |
| PILC | Pillar Interlayered Clays |
| COI | Constituents Of Interest |
| WTE | Waste-To-Energy Facility |
| APOE | Apolipoprotein E |
| DIBAL | Diisobutylaluminum Hydride |
| ESD | Environmental Services Division (US EPA) |