The pesticide foramsulfuron is exempted from the requirement of a tolerance in corn, field, grain/corn, field, forage/ corn, field, stover/corn, pop, grain/corn, pop, forage/corn, pop, stover; corn, sweet, forage; corn, sweet, kernel plus cob with husks removed; corn, sweet, stover when applied as a herbicide in accordance with good agricultural practices. [74 FR 26535, June 3, 2009] Sec. 180.1220 1-Methylcyclopropene; exemption from the requirementof a tolerance.
An exemption from the requirement of a tolerance is established for residues of the 1-Methylcyclopropene in or on fruits and vegetables when:
(a) Used as a post harvest plant growth regulator, i.e., for the purpose of inhibiting the effects of ethylene.
(b) Applied or used outdoors for pre-harvest treatments. [73 FR 19150, Apr. 9, 2008]