Current Year Samples, Reports & Data
| JAN 2024 | 240111 COA Analyte Report Method Report MAP/Zn |
| FEB 2024 | 240213 COA Analyte Report Method Report Urea (shared) |
| MAR 2024 | 240311 COA Analyte Report Method Report Organic with Humic Acids |
| APR 2024 | 240411 COA Analyte Report Method Report Macro-Micro-Humic |
| MAY 2024 | 240511 COA Analyte Report Method Report Mg thiosulfate |
| JUN 2024 | 240611 COA Analyte Report Method Report Calcium nitrate |
| JUL 2024 | 240714 COA Analyte Report Method Report 18-46-0 DAP (shared) |
| AUG 2024 | 240811 COA Analyte Report Method Report 21-7-14 |
| SEP 2024 | 240911 COA Analyte Report Method Report Urea + inhibitor 46-0-0 |
| OCT 2024 | 241011 COA Analyte Report Method Report liquid NH4 polyphosphate |
| NOV 2024 | 241111 COA Analyte Report Method Report P with aluminum |
| DEC 2024 | 241215 COA Analyte Report Method Report K-Mg-SO4 (shared) |
N scheme
| FEB 2024 | 240213 COA Analyte Report Method Report Urea (shared) |
| JUN 2024 | 240631 COA Analyte Report Method Report 32-0-0 UAN |
| OCT 2024 | 241031 COA Analyte Report Method Report Amm Sulfate |
P scheme
| MAR 2024 | 240341 COA Analyte Report Method Report MAP + Zn |
| JUL 2024 | 240714 COA Analyte Report Method Report 18-46-0 DAP (shared) |
| NOV 2024 | 241141 COA Analyte Report Method Report P rock |
K scheme
| APR 2024 | 240451 COA Analyte Report Method Report 0-0-50 |
| AUG 2024 | 240851 COA Analyte Report Method Report K-Mg-SO4 |
| DEC 2024 | 241215 COA Analyte Report Method Report KCl (shared) |
- Future samples scheduled subject to change.
- Click on COA to view the Certificate of Analysis based on participant results
- Click on analyte report or method report to open proficiency reports.
- Click on the Sample Description (Eg: DAP) to view guarantees and SDS.
- Colored cells denote samples shared across sample schemes
- For older reports, go to Past Reports page.