| AAFCO | Association of American Feed Control Officials. |
| AAPCO | Association of American Pesticide Control Officials. |
| AAPFCO | Association of American Plant Food Control Officials. |
| AGLABS | Aglabs |
| AOAC | AOAC International. |
| CAP | College of American Pathologists. |
| CDC | Centers for Disease Control and Prevention. |
| EPA | United States Environmental Protection Agency. |
| Eurachem | A Focus For Analytical Chemistry In Europe. |
| FDA | United States Food and Drug Administration. |
| HHS | United States Dept. of Health and Human Services. |
| MDA | Minnesota Dept. of Agriculture Manure Testing Laboratory Certification Program. |
| NFTA | National Forage Testing Association. |
| SDSU | South Dakota State University. |
| SDSU, AES | SDSU,Agricultural Experiment Station. |
| SDSU, AGBIO | SDSU, Agriculture and Biological Sceinces. |
| SDSU, Vet Sci & ADRDL | SDSU Veterinary Science Department & South Dakota Animal Disease Research & Diagnostic Laboratory. |
| SD Dept. of Agriculture | South Dakota Department of Agriculture. |
| State of South Dakota | State of South Dakota. |
| USDA | United States Department of Agriculture. |
| USDA, ARS | USDA, Agricultural Research Service. |
| USDA, FSIS | USDA, Food Safety and Inspection Service. |
| WRI | Water Resource Institute. |
| Water Quality Problems | Water Quality Problems. |