| Acronym | Meaning |
| OCE | One-center Expansion (SCF MO Method) |
| SHED | Sealed Housing For Evaporative Detn. |
| HGH | Human Growth Hormone |
| ECT | Emission-Computed Tomography |
| BHT | Brinell Hardness Test |
| CARCA | Computer-assisted Rocking Curve Analysis |
| PHT | Pulmonary Hypertension |
| CBA | Cost-Benefit Analysis |
| EAAS | Electrothermal Atomic Absorption Spectrometry |
| OAR | Office Of Air And Radiation (USEPA) |