| Acronym | Meaning |
| PPH | Parts Per Hundred |
| TNRCC | Texas Natural Resource Conservation Commission |
| RNN | Recurrent Neural Network |
| ATECT | Acetyl Triethyl Citrate |
| DEGBAC | Diethylene Glycol-bis(allyl Carbonate) |
| REM | Reservoir Eutrophication Model |
| CMF | Colloid Metal Film |
| CAEAL | Canadian Association For Environmental Analytical Laboratories |
| BDA | Biotinylated Dextran Amine |
| HATR | Horizontal Attenuated Total Reflection |