| Acronym | Meaning |
| NVFEL | National Vehicle And Fuel Emissions Laboratory |
| CNPGAA | Cold Neutron Prompt Gamma-ray Activation Analysis |
| NHF | Numerical Hartree-Fock |
| EPR | Electrochemical Potentiokinetic Reactivation |
| IRIS | Integrated Risk Information System |
| PI | Pollution Index |
| CASS | Cyclic Activated Sludge System |
| DOCA | Deoxycorticosterone Acetate |
| PEK | Poly(ether Ketone) |
| NAPIAP | National Agricultural Pesticide Impact Assessment Program |