Kansas Administrative Regulations
Agency 4 - DEPARTMENT OF AGRICULTURE
Article 4 - COMMERCIAL FERTILIZERS
Section 4-4-903 - Prohibited materials
Current through Register Vol. 43, No. 52, December 26, 2024
(a) Storage containers, elephant rings, and appurtenances shall not be constructed of copper, brass, zinc, or copper-base alloys unless recommended in writing by the manufacturer.
(b) Storage containers, elephant rings, and appurtenances used for the storage of fluid fertilizers containing phosphates or chlorides shall not be constructed of aluminum or aluminum alloys unless recommended in writing by the manufacturer.
(c) Storage containers, elephant rings, and appurtenances used for the storage of fertilizers or fluid fertilizer materials which have a pH of five or less shall not be constructed of ferrous materials other than stainless steel unless the ferrous materials have been coated or treated with protective substances adequate to prevent corrosion caused by the substance being stored or unless recommended in writing by the manufacturer.
(d) Storage containers, elephant rings, and appurtenances used for the storage of aqueous solutions of anhydrous ammonia shall not be constructed of galvanized brass or bronze materials and shall not be constructed of mild steel, stainless steel, aluminum, fiberglass, polyolefins or plastic unless recommended by the manufacturer.
(e) Storage containers, elephant rings, and appurtenances used for the storage of phosphoric acid shall not be constructed of ferrous materials other than stainless steel unless the container is lined with a suitable substance to prevent corrosion caused by the substance being stored unless recommended in writing by the manufacturer.
(f) Storage containers, elephant rings, and appurtenances used for the storage of fluid fertilizers containing potassium chloride shall not be constructed of ferrous materials other than stainless steel or mild steel, unless: