| Acronym | Meaning |
| HAN | Halogenated Acetonitrile(s) |
| KHN | Knoop Hardness |
| AUBF | Anaerobic Upflow Biofilter |
| EFLE | Enhanced-fluidity Liquid Extraction |
| CSWRCB | California State Water Resources Control Board |
| NPOC | Nonpurgeable Organic Carbon |
| APA | Alkaline Phosphatase Activity |
| HCMV | Human Cytomegalovirus |
| CCV | Continuing Calibration Verification |
| MOX | Mixed Oxide |