| Acronym | Meaning |
| UASBR | Upflow Anaerobic Sludge Blanket Reactor |
| HSW | Health And Safety At Work Act 1974 |
| DELPHI | Detector With Lepton |
| UHIPI | Ultrahigh Intensity Post-ionization |
| CGI | Combustible Gas Indicator |
| IFCC | International Federation Of Clin. Chem. |
| APECED | Autoimmune Polyendocrinopathy-candidiasis-ectodermal Dystrophy |
| DOE | Department Of Energy |
| IOSRR | Infinite Order Sudden Rigid-rotor Approximation |
| PCNA | Proliferating Cell Nuclear Antigen |