[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR180.1091] [Page 561] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 180_TOLERANCES AND EXEMPTIONS FROM TOLERANCES FOR PESTICIDE CHEMICALS IN FOOD--Table of Contents Subpart D_Exemptions From Tolerances Sec. 180.1091 Aluminum isopropoxide and aluminum secondary butoxide; exemption from the requirement of a tolerance. Aluminum isopropoxide (CAS Reg. No. 555-31-7) and aluminum secondary butoxide (CAS Reg. No. 2269-22-9) are exempted from the requirement of a tolerance when used in accordance with good agricultural practices as stabilizers in formulations of the insecticide amitraz [N'-(2,4- dimethylphenyl)-N-[[(2,4-dimethylphenyl)imino]-N-methylmethanimidamide] applied to growing crops or animals. [53 FR 34509, Sept. 7, 1988; 53 FR 36696, Sept. 21, 1988]