| Acronym | Meaning |
| HETA | Hazard Evaluation Technical Assistance Branch (NIOSH) |
| CERCLIS | Comprehensive Environmental Response |
| RPA | RNase Protection Assay |
| ACFB | Atmospheric Circulating Fluidized Bed |
| CENP | Centromere-associated Protein |
| HIRIS | High Resolution Imaging Spectrometer |
| SMBR | Submerged Membrane Bioreactor |
| BTGA | Best Technology Generally Available |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| BARITT | Barrier Injection Transient Time |