"No leaks were discovered in either examination, " Metro told the superintendents pertaining to Downingtown, West Chester and Rosetree Mass media school districts who wrote in order to him in October. " ' safety concerns around the cross-state Mariner East pipelines have recently been devoted to the 12-inch line after Sunoco said in July it would temporarily repurpose the line to hold natural gas liquids along uncompleted sections of the route. "If a pipeline successfully passes a hydrostatic stress test, it can be assumed that no hazardous defects are present in the tested pipe.A 12-inch pipeline that Sunoco plans make use of as a temporary part belonging to the Mariner East project has flushed state and federal safety inspections, reported by a letter from the Pennsylvania Public Utility Commission's head associated with pipeline safety. Paul Metro, manager from the safety division in the PUC's Agency of Investigation and Enforcement, described the end result of safety tests in any letter to three school centre superintendents who asked whether the actual 12-inch pipe was safe to carry natural gas liquids, and whether valves along the line will help ensure it has the safety
