| Acronym | Meaning |
| PPR | Projection Pursuit Regression |
| PACS | Physics And Astronomy Classification Scheme |
| ERT | Environmental Response Team |
| MOZAIC | Measurement Of Ozone And Water Vapor By Airbus In-Service Aircraft |
| CEEM | Center For Energy And Environmental Management |
| HRT | Hydraulic Retention Time |
| MMLV | Moloney Murine Leukemia Virus |
| SSAO | Semicarbazide-sensitive Amine Oxidase |
| TNRCC | Texas Natural Resource Conservation Commission |
| XANES | X-ray Absorption Near Edge Structure |