| Acronym | Meaning |
| TRS | Total Reduced Sulfur |
| LOAEL | Lowest Observed Adverse Effect Level |
| GDP | Glow Discharge Plasma (for Atomic Emission Spectrometry) |
| ROS | Restricted (or Roothaan) Open-shell (Hamiltonian) |
| TSETG | Two-step Excitation Transient Grating |
| FRSW | Finite Range Scattering Wave Function |
| MCPB | (4-(2-methyl-4-chlorophenoxy)butyric Acid |
| IUCN | International Union For Conservation Of Nature And Natural Resources |
| SGTF | Spherical Gaussian-type Function |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |