| Acronym | Meaning |
 | RTKNET | Right-to-Know Network |
| WSDA | Weighted Spin-density Approxn. |
| LSIMS | Liquid Secondary Ion Mass Spectrometry |
| MAESA | Measurements For Assessing The Effects Of Stratospheric Aircraft |
| OPDIN | Ocean Pollution Data And Information Network |
| HPA | Hybridization Protection Assay |
| GWPS | Groundwater Protection Standard |
| AAPM | American Association Of Physicists In Medicine |
| CSHO | Compliance Safety & Health Officer |
| MERD | Mine Emergency Responsiveness Development |
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