| Acronym | Meaning |
| LHSF | Local Hyperspherical Surface Functions (in Quantum Calcns. On Reactive Scattering) |
| TSM | Total Suspended Material |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |
| INP | Initial Notification Plan |
| DPSV | Differential Pulse Stripping Voltammetry |
| MADIX | Macromolecular Design Via The Interchange Of Xanthates (polymn. Using Xanthates As Chain Transfer Agents) |
| ETGAO | Even-tempered Gaussian Atomic Orbital |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |
| LDC | Less Developed Countries |
| NBS | Nucleotide-binding Site |