ORGANIC NATIONAL LIST
USDA’s National Organic Program (NOP) has issued a fact sheet on its National List of Allowed and Prohibited Substances that may and may not be used in organic crop and livestock production. It also lists substances that may be used in or on processed organic products. The fact sheet is now available at http://1.usa.gov/13N7dcb . Included in the fact sheet are links for more specific information on the substances.