{"data":{"id":"us/7-cfr-205.602","jurisdiction":"us","citation":"7 CFR 205.602","heading":"Nonsynthetic substances prohibited for use in organic crop production.","body":"The following nonsynthetic substances may not be used in organic crop production:\n(a) Ash from manure burning.\n(b) Arsenic.\n(c) Calcium chloride, brine process is natural and prohibited for use except as a foliar spray to treat a physiological disorder associated with calcium uptake.\n(d) Lead salts.\n(e) Potassium chloride—unless derived from a mined source and applied in a manner that minimizes chloride accumulation in the soil.\n(f) Rotenone (CAS # 83-79-4).\n(g) Sodium fluoaluminate (mined).\n(h) Sodium nitrate—unless use is restricted to no more than 20% of the crop's total nitrogen requirement; use in spirulina production is unrestricted until October 21, 2005.\n(i) Strychnine.\n(j) Tobacco dust (nicotine sulfate).","path":["Title 7—Agriculture","Subtitle B—Regulations of the Department of Agriculture","CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE","SUBCHAPTER M—ORGANIC FOODS PRODUCTION ACT PROVISIONS","PART 205—NATIONAL ORGANIC PROGRAM","Subpart G—Administrative"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-7.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:01Z","sha256":"968a159fc8b2343d71b41bda59831464c302259644b424409a09c91ae052a33f","source_id":"us-cfr","stale":true,"prev":"us/7-cfr-205.601","next":"us/7-cfr-205.603"},"notice":"GroundRules: Original legal text. Not legal advice."}