| Acronym | Meaning |
 | NABSA | Nucleic Acid Based Sequence Amplification |
| OHER | Office Of Health And Environmental Research (US Dept. Of Energy) |
| PSM | Process Safety Management |
| CCME | Canadian Council Of Ministers Of The Environment |
| MCRPA | Multiconfigurational Random Phase Approxn. |
| NSF | Near-surface Fractionated (mantle) |
| PAE | Postantibiotic Effect |
| EXPRESSO | Experiment For Regional Sources And Sinks Of Oxidants |
| WSD | Water Saturation Deficit |
| RILS | Regulatory Interpretation Letters |
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