Quality Reference Material

Excess material from our proficiency testing program may be purchased as quality reference material once reports have been released (while supplies last).

The Certificate of Analysis is based on participant results.



ground hempHemp --- 2025 Program Year
$110 each
Approximately 20 grams
Sample Number Certificate of Analysis Order
HM25SEP-1 COA Order Form
HM25SEP-2 COA Order Form
HM25NOV-1 Available January 2026 Preorder
HM25NOV-2 Available January 2026 Preorder

hemp oilOil --- 2025 Program Year
$100 each
Approximately 10 milliliters
Sample Number Certificate of Analysis Order
OL25SEP-1 COA Order Form
OL25Nov-1 Available January 2026 Preorder


ground hempHemp --- 2024 Program Year
$110 each
Approximately 20 grams
Sample Number Certificate of Analysis Order
HM24SEP-2 COA Order Form
HM24NOV-1 COA Order Form
HM24NOV-2 COA Order Form

hemp oilOil --- 2024 Program Year
$100 each
Approximately 8 milliliters
Sample Number Certificate of Analysis Order
OL24SEP-1 COA Order Form
OL24NOV-1 COA Order Form


ground hempHemp --- 2023 Program Year
$110 each
Approximately 20 grams
Sample Number Certificate of Analysis Order
HM23NOV-1 COA Order Form
HM23NOV-2 COA Order Form

hemp oilOil --- 2023 Program Year
$100 each
Approximately 15 milliliters
Sample Number Certificate of Analysis Order
OL23SEP-1 COA Order Form
OL23NOV-1 COA Order Form
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