| Acronym | Meaning |
| LCIA | Life Cycle Impact Assessment |
| ACRS | Applied Computational Research Society |
| EMTIC | Emission Measurement Technical Information Center |
| NSSN | National Standards Systems Network |
| APHEA2 | Air Pollution And Health: A European Approach 2 |
| SBAR | Sequencing Batch Anaerobic Reactor(s) |
| ACA | American Crystallographic Association |
| CIH | Certified Industrial Hygienist |
| PHF-OCE | Perturbative Hartree-Fock One-center Expansion |
| EPA | Environmental Protection Authority (Australia) |