EPA issued a final rule in the Federal Register of April 9, 2008 (73 FR 19147) (FRL-8357-5), concerning 1-methylcyclopropene (1- MCP); amendment to an exemption from the requirement of a tolerance. This document is being issued to correct a technical error, specifically the omission of addressing the comments received after the publication of the notice of filing on August 8, 2007 (72 FR 44520) (FRL-8138-9).