40 CFR § 180.1220 - 1-Methylcyclopropene; exemption from the requirement of a tolerance.
§ 180.1220 1-Methylcyclopropene; exemption from the requirement of 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]