Current Samples, Reports and Data

Regular Scheme

JAN 2025 250111 COA Analyte Report Method Report MAP
FEB 2025 250213 COA Analyte Report Method Report Urea (shared)
MAR 2025 250311 COA Analyte Report Method Report Gypsum
APR 2025 250411 COA Analyte Report Method Report DAP
MAY 2025 250511 COA Analyte Report Method Report 5-0-20
JUN 2025 250611 COA Analyte Report Method Report Calcium Nitrate
JUL 2025 250714 COA Analyte Report Method Report 19-19-19 (shared)
AUG 2025 250811 COA Analyte Report Method Report NPK 21-7-14 w/S
SEP 2025 250911 COA Analyte Report Method Report Urea
OCT 2025 251011 COA Analyte Report Method Report Liquid Ammonium Polyphospate
NOV 2025 251111 COA Analyte Report Method Report 16-16-16
DEC 2025 251215 COA Analyte Report Method Report Potash (shared)

N Scheme

FEB 2025 250213 COA Analyte Report Method Report Urea (shared)
JUN 2025 250631 COA Analyte Report Method Report UAN
OCT 2025 251031 COA Analyte Report Method Report Ammonium Sulfate

P Scheme

MAR 2025 250341 COA Analyte Report Method Report MAP/DAP
JUL 2025 250714 COA Analyte Report Method Report 19-19-19 (shared)
NOV 2025 251141 COA Analyte Report Method Report Phosphate Rock

K Scheme

APR 2025 250451 COA Analyte Report Method Report Potash 0-0-60
AUG 2025 250851 COA Analyte Report Method Report K-Mg-SO4
DEC 2025 251215 COA Analyte Report Method Report Potash (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, visit the Past Reports page, or for historical data (2021 and previous years) visit the Archived Data Page.