Complex sentence: In October 2006, MEPC 55 approved an Action Plan to tackle the alleged inadequacy of port reception facilities-seen as a major hurdle to overcome in order to achieve full compliance with MARPOL.
Split into simpler sentences: In October 2006, MEPC 55 approved an Action Plan to help the problems faced by port reception facilities. This was seen as a major challenge to overcome in order to achieve full compliance with MARPOL.