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The Schuylkill river at dusk in Philadelphia. The river is a popular fishing spot. In 2018, the New Jersey DEP began testing fish for the family of chemicals known as PFAS and issued fish advisories. New Jersey has stricter limits on PFAS exposure than Pennsylvania.

New Jersey sues companies over PFAS contamination

The lawsuit alleges eight companies engaged in consumer and environmental fraud
By Susan Phillips

Sunoco's Mariner East 2 pipeline construction on Pennell Road in Middletown Township. (Emma Lee/WHYY)

Higher operating pressure prompts new safety concerns over Sunoco’s Mariner East 2X pipeline

Documents indicate Sunoco has a new maximum operating pressure for the line, which is under construction. An engineer who conducted a risk assessment of the Mariner East project said a higher pressure increases risk.

By Susan Phillips

Tree-clearing in Delaware County to prepare for the construction of the Mariner East 2 pipeline project. The builder, Sunoco Logistics, rejected an attempt by a township in neighboring Chester County to block the installation of a valve along the line.

State attorney general, Delaware County district attorney launch criminal investigation into Sunoco, Energy Transfer

Chester County’s district attorney is already investigating the Mariner East pipeline project. The company said it will “aggressively” defend itself.

By Susan Phillips

Crews worked on Monday Jan. 21 to stabilize a new sinkhole that opened up at Lisa Drive, a suburban development in West Whiteland Township, Chester County where Sunoco operates its Mariner East pipelines.

Chester County investigation of pipeline builder Energy Transfer now includes grand jury

District attorney's probe of Mariner East project began in December
By Susan Phillips

Crews worked on Monday Jan. 21 to stabilize a new sinkhole that opened up at Lisa Drive, a suburban development in West Whiteland Township, Chester County where Sunoco operates its Mariner East pipelines.

Mariner East 2 construction to restart in area of Chester County where water damage occurred

Drilling for the pipeline along Shoen Road in West Whiteland Township destroyed private drinking water wells nearby
By Susan Phillips

In this Aug. 1, 2018 photo shown on the former grounds of Naval Air Warfare Center Warminster is the Ann's Choice Retirement Community and the Warminster Community Park in Warminster, Pa. In Warminster and surrounding towns in eastern Pennsylvania, and at other sites around the United States, the foams once used routinely in firefighting training at military bases contained per-and polyfluoroalkyl substances, or PFAS. EPA testing between 2013 and 2015 found significant amounts of PFAS in public water supplies in 33 U.S. states.
Updated: February 15, 2019 | 4:43 pm

Pa. to begin its own process of setting health limit for two PFAS chemicals

As EPA launches national PFAS plan, Pennsylvania says its people ‘can’t wait’ for federal government
By Jon Hurdle and Susan Phillips

The Horsham Air Guard Station in Bucks County, Pa. where the use of PFAS chemicals in firefighting foam has been linked with contamination of local water supplies.
Updated: February 14, 2019 | 4:02 pm

EPA says it will start process to regulate PFOA and PFOS this year

Critics say long-awaited Action Plan on PFAS represents the latest delay in protecting public health
By Jon Hurdle and Susan Phillips

A photo of a Delmarva bay in spring shows the wetland flooded. In summer and fall this same wetland is dry. This isolated wetland fell under Obama's Waters of the U.S. Rule. Under a Trump administration proposal, federal protection for many wetlands would be removed.

Energy Transfer, the parent company of Mariner East 2 pipeline builder, Sunoco, works at Snitz Creek in West Cornwall Township, Lebanon County after a drilling mud spill during the summer.

Residents urge PUC to halt Mariner East operation, hold hearing on emergency plans

Petition says Sunoco has not done enough to prepare communities for any leak of natural gas liquids
By Jon Hurdle

Mariner East 2 pipeline construction crews work in the backyards of homes on Lisa Drive in West Whiteland Township, Chester County, on May 2. Sinkholes that opened in the area prompted the state's Public Utility Commission to order that an existing pipeline nearby, the Mariner East 1, be shut down until it could be determined that the sinkholes didn't threaten its safety. PUC on May 3 approved a re-start of Mariner East 1.
Updated: October 23, 2018 | 5:21 pm

Sunoco: Mariner East 2 delayed to 2020, so company will join three pipes as substitute

The cross-state natural gas liquids pipeline Mariner East 2 was supposed to begin operation by the end of September. Now, the company has come up with a workaround after acknowledging another lengthy delay in its pipeline project.

By Jon Hurdle
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