| Acronym | Meaning |
| NDC | National Data Center |
| ARM | Atmospheric Radiation Measurement Program |
| UWI | Uniform Window Interface |
| AFP | Approved Funding Program |
| AOP | Abnormal Operating Procedure |
| INFOTERRA | International Environmental Research And Referral Service Of UNEP |
| WIMPS | Weakly Interacting Massive Particles |
| EPROM | Electronically Programmable Read Only Memory |
| ASTHO | Association Of State & Territorial Health Officials |
| SND | Skewed Normal Distribution |