NOP Petitioned Substances Index

This index is non-exhaustive and is for reference use only. See the National List webpage for a full explanation of this index.

Contact us with any questions and learn more about NOP.

Scope Substance Sort descending Status Related Terms
Crops Anaerobic Digestate Complete
Handling Animal Enzymes Complete
Crops Aquatic Plant Extracts On Hold
Crops Aqueous Potassium Silicate Complete
Handling Arachidonic Acid Single-Cell Oil Closed
Crops Arsenate Treated Lumber Complete
Crops Arsenic Complete
Handling Ascorbic Acid Complete
Handling Ascorbyl Palmitate Complete
Crops Ash from Manure Burning Complete