State Rep. Danielle Friel Otten, D-Chester, and state Sen. Katie Muth are taking steps this week to ensure that residents affected by a proposed route modification to the Mariner East Pipeline in Upper Uwchlan Township have every opportunity to make their voices heard. In the Dec. 14, 2019, PA Bulletin, DEP published notice of a 30-day public comment period on Energy Transfer/Sunoco’s proposed...