What is the difference between a single ingredient product and a multi-ingredient product?
Only products that contain a single substance in the final product are single ingredient products. For example, a microbial product composed of a single microorganism without any media in the final product is a single ingredient product. You would still list the growth media on the Total Ingredient List, but you would enter 0% in the amount column to indicate the growth media is completely removed from the final product. Water (or moisture) does not count as an ingredient while calculating the fee. A multi-ingredient product has more than one ingredient in the final product. This means the Total Ingredient List will have two or more ingredients that are greater than 0% in the final product. For example, a blended fertilizer with blood and bone meals is a multi-ingredient product because the product contains multiple ingredients. OMRI product review fees are based on the ingredients listed on the Total Ingredients List (or on the EPA CSF Form 8570-4 for pesticides). If your product is s
