| Acronym | Meaning |
 | LORAN-C | Long Range (aid To) Navigation-C |
| IFAW | International Fund For Animal Welfare |
| UNIDATA | UNIDATA Program Center |
| IUGS | International Union Of Geological Sciences |
| AIRFA | American Indian Religious Freedom Act |
| DOW | Defenders Of Wildlife |
| SPL | SLATEC Plotting Library |
| CCHW | Citizens Clearinghouse For Hazardous Wastes |
| ANS | American Nuclear Society |
| FWQC | Federal Water Quality Criteria |
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