| Acronym | Meaning |
| VSMOW | Vienna Standard Mean Ocean Water |
| EBPR | Enhanced Biol. Phosphorus Removal |
| PDU | Process Development Unit |
| UMDE | Ultramicrodisk Electrode |
| BEWS | Biological Early Warning Systems |
| SIRS | Systemic Inflammatory Response Syndrome |
| SPHINCS | Sequential PHoton Interrogation And Neutron Counting Signatures |
| PDE | Partial Differential Equation |
| ARP | Angle-resolved Photoemission |
| ERP | Environmental Review Process |