| Acronym | Meaning |
| WLA | Waste Load Allocation |
| BSRT | Biological Solids Retention Time |
| PXRF | Polarized X-ray Fluorescence |
| NORS | National Organics Reconnaissance Survey (US EPA 1974-1975) |
| BO | Bond Orbital |
| GOD | Glucose Oxidase |
| IDDB | Investigational Drugs Database |
| RCT | Reference Control Technology |
| SSA | Spherical Sector Analysis |
| FMD | Foot And Mouth Disease |