§ 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.