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]