| Acronym | Meaning |
| LTEC | Linear Thermal Expansion Coefficient |
| ASGDI | Atmospheric Sampling Glow Discharge Ionization |
| PEG | Polyethylene Glycol |
| PEN | Polyethylene Naphthalate |
| NBS | Nijmegen Breakage Syndrome |
| PFOE | Polarized First-order Exchange |
| HEAST | Health Effects Assessment Summary Tables |
| MST | Microbial Source Tracking |
| EPRI | Electric Power Research Institute |
| TSSMS | Time Sharing Service Management System |