Possible Clues:

• Tainted with maggots or eggs
• Tainted by eggs and maggots
• Annoying sort gets local drugs to policeman - ultimately, it's all contaminated
• Fan comes in to pelt Pole with eggs, repulsively?
• It's dirty and unpleasant to travel by air with barrister on own
• In a dirty condition
• Fled, circling back by lake that's contaminated