One would not think it looking at the juicy green meadow. But beneath this a time-bomb is ticking away. 80 years ago a limestone quarry was shut down here. Then, 50 years ago, the old quarry suffered the fate that befell many other such places at that time, namely that it was filled up over many years with refuse, namely domestic refuse, bulky refuse, industrial wastes, construction rubble and somewhere along the line highly poisonous industrial sludges.