| Acronym | Meaning |
| NCP | National Contingency Plan (Superfund) |
| GEM | Gene Expression Microarray |
| CORR | Chemicals On Reporting Rules |
| MALS | Multi-angle Light Scattering |
| ROBK1 | Relativistic First-order Oppenheimer-Brinkman-Kramers |
| CBO | Corrected Born-Oppenheimer (in Calcns. For Mol. Complexes) |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| IRRAS | Integrated Reliability And Risk Analysis System |
| TIP | Temperature-independent Paramagnetism |
| DTGS | Deuterated Triglycine Sulfate |