| Acronym | Meaning |
| NHEJ | Nonhomologous End Joining |
| GLOSS | Global Sea Level Observing System (of IOC) |
| BPT | Best Practical Technology |
| PEMFC | Proton Exchange Membrane Fuel Cell |
| MIKES | Mass-analyzed Ion-kinetic Energy Spectrometry |
| CB2 | Second-order Coulomb Born |
| CCSR | Calcium Carbonate Saturation Ratio |
| NAEP | National Association Of Environmental Professionals |
| WQAS | Water Quality Analysis System (file Within STORET) |
| NACCA | North American Council Of Chemical Associations |