| Acronym | Meaning |
| SUS | Saybolt Unit Seconds (viscosity Measurement) |
| ACF | Anticoagulant Factor |
| PDA | Phase Doppler Analysis |
| CBRA | Coastal Barriers Resource Act |
| RNAA | Radiochemical Neutron Activation Analysis |
| RET | Resonance Energy Transfer |
| CCC | Correlated Coupled Cluster (quantum Calcn. Method) |
| PGWDB | Pesticides In Ground Water Database |
| FO-ECP | Frozen Orbital-effective Core Potential |
| IGC | Inverse Gas Chromatog. |