HARRISBURG – State legislators representing parts of Chester County have signed a letter to PA DEP Secretary Patrick McDonnell and other state officials calling for an immediate halt to Mariner East pipeline construction and a revocation of Energy Transfer’s permits in the county. In the letter, the lawmakers called for an immediate halt to construction on the Mariner East project; independent testing of private wells in Upper Uwchlan  Township, with costs covered completely by Energy Transfer; and a requirement that Energy Transfer attend public meetings upon the request of any impacted municipality to hear directly from and respond directly to residents. They also called for an independent investigation into environmental impacts of the spill at Marsh Creek State Park; the immediate remediation of current violations to “as good or better condition” ; and the payment of all outstanding fines and any new fines on these and previous permit violations.