We are currently experiencing some service outages and portions of our website may not be functioning properly at this time. Thank you for your understanding.

Happy Holidays! OMRI will be closed from December 21 to January 1 for winter break.

OMRI Generic Materials List with OMRI Standards Manual©

The 2022 OMRI Generic Materials List with the OMRI Standards Manual contains the requirements your product and its ingredients must meet before being eligible for listing in the OMRI Products List©. Please carefully review this manual prior to submitting your application.