A. In this chapter, the following terms have the meanings indicated.
B. Terms Defined.
(1) "Ammonium nitrate fertilizer" means a fertilizer that is chiefly the ammonium salt of nitric acid that contains not less than 33 percent nitrogen, 1/2 of which is in the ammonium form and 1/2 of which in the nitrate form.
(2) "Secretary" means the Secretary of Agriculture or the Secretary's designee.