| Acronym | Meaning |
 | AIC | Acceptable Intake For Chronic Exposure |
| EIB | Environmental Improvement Board |
| E | Epsilon |
| NEPA | National Environmental Policy Act |
| EOR | Emergency Operations Center |
| SLU | Saint Louis University |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| IPC | Instrument Processing Center |
| DEBITS | Deposition Of Biogeochemical Important Trace Species |
| NEWS | National Extreme Weather Systems |
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