| Acronym | Meaning |
| APWR | Advanced Pressurized Water Reactor |
| CHES | 3-(cyclohexylamino)ethylsulfonic Acid |
| HSC | Health And Safety Commission (UK) |
| EPCE-F2(SIGM | Effective Pair Correlation Energy Method With The Factor-two (f2) Approximation For Sigma-electron Systems |
| CC-DQMC | Clamped-coordinate Diffusion Quantum Monte Carlo |
| SOA | Secondary Organic Aerosols |
| ACTS | Advisory Committee On Toxic Substances |
| PED | Plasma Emission Detector |
| NLPLS | Nonlinear Partial Least Squares |
| SSRI | Selective Serotonin Reuptake Inhibitor |