Why aren’t all natural organic materials OMRI listed?
The Organic Materials Research Institute (OMRI) has two lists, a generic list and a brand name list. The generic list contains materials by generic name that are allowed, restricted or prohibited. If the material is allowed with restrictions, those restrictions are described. The generic list can be viewed at http://www.omri.org/OMRI_generic_list.html. The brand name list contains only the names of products reviewed by OMRI at the manufacturer’s request. The application for OMRI review can be lengthy and expensive so manufacturers have to weight cost against gain when they apply. Just because a product is not OMRI listed does not preclude it from use on a certified organic farm. There are other reviewing agencies that can determine whether a product should be allowed, restricted, or prohibited. A manufacturer may choose not to apply for OMRI listing because their product is inappropriate for used on organic farms but is nonetheless organic. The OMRI brand name list can be viewed at the
