21 U.S.C. § 864a: Grants to reduce production of methamphetamines from anhydrous ammonia

a producer of agricultural commodities; a cooperative association, a majority of the members of which produce or process agricultural commodities; or selling an agricultural product (including an agricultural chemical) at retail, predominantly to farmers and ranchers; or aerial and ground application of an agricultural chemical. The term “nurse tank” shall be considered to be a cargo tank (within the meaning of section 173.315(m) of title 49, Code of Federal Regulations, as in effect as of the date of the enactment of this Act). The Secretary may make a grant to an eligible entity to enable the eligible entity to obtain and add to an anhydrous ammonia fertilizer nurse tank a physical lock or a substance to reduce the amount of methamphetamine that can be produced from any anhydrous ammonia removed from the nurse tank. an amount not less than $40 and not more than $60, as determined by the Secretary; and the number of fertilizer nurse tanks of the eligible entity. There is authorized to be appropriated to the Secretary to make grants under this section $15,000,000 for the period of fiscal years 2008 through 2012.