| Acronym | Meaning |
| PTM | Perturbation Trajectory Method (in Gas-surface Collision Dynamics) |
| NARSTO-NE-OP | North American Research Strategy For Tropospheric Ozone-Northeast Oxidant And Particle Study |
| FTD | Flame Thermionic Detector (gas Chromatography) |
| PDF | Planar Deformation Feature |
| TSDRF | Treatment, Storage, Disposal, And Recycling Facilities |
| LDR | Land Disposal Restriction(s) |
| MBTS | 2-mercaptobenzothiazyl Disulfide |
| FRES | Forward Recoil Emission Spectrometry |
| HSC | Hyperspherical Coordinate (representation In Calcns. On Electron-atom Scattering) |
| ICES | International Council For The Exploration Of The Sea |