April 3, 2017--Six residents of Middletown Township, Delaware County, have now notified Middletown Township that they believe it has a duty to enforce the Township Code’s provisions relating to minimum setback distances required from residential housing units to petroleum product pipelines. The six residents claim that, while the Township previously saw fit to grant easements to Sunoco Pipeline L.P. for its Mariner East 2 hazardous liquids pipeline project, Middletown has n