| Acronym | Meaning |
| IWIC | International Waste Identification Code |
| MIAR | Mass Isotopomer Abundance Ratio |
| TAL | Threshold Ambient Level |
| XRES | X-ray Emission Spectroscopy |
| DART | Developmental And Reproductive Toxicology Database (NLM) |
| PAT | Proficiency Analytical Testing (NIOSH) |
| MONOS | Metal Oxide Nitride Oxide Semiconductor |
| EWS | Engineering Workstation |
| TCC | Thermofor Catalytic Cracking |
| ESEP | Exact Static Exchange (plus) Polarization (potential) |