| Acronym | Meaning |
| OSRD | Office Of Scientific Research And Development |
| CCSD-EH | CCSD-effective Hamiltonian |
| ALAD | Delta-aminolevulinic Acid Dehydratase (lead Poisoning Indicator) |
| CRWQCB | California Regional Water Quality Control Board |
| AE-CI | All Electron-configuration Interaction |
| HRSEM | High Resolution Scanning Electron Microscopy |
| SESFOD | Selective Excitation With Single Frequency Off Resonance Decoupling |
| EPTOX | Extraction Procedure Toxicity Test |
| OSM | Overlapping Sphere Model |
| AACE | American Association Of Coast Engineers |