Liz Chudoba, water quality program manager for the Alliance for the Chesapeake Bay (left), and Annie Bronez, volunteer coordinator for the Potomac Riverkeeper Network (right), show a group of volunteers how to measure the pH of the Potomac River at National Harbor during a training session in May. (Whitney Pipkin)

Bacterial monitoring goes mobile in and around the District

Boat-based lab and swimming app let public know when it’s safe to go in the water Whitney Pipkin, BayJournal.com When

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June Black, organic chemistry chief of the Pennsylvania Department of Environmental Protection’s Bureau of Laboratories, demonstrates equipment that will be used to extract PFAS from water samples. The lab acquired new equipment to enable DEP to identify and measure concentrations of PFAS in drinking water being sampled across the state. (Timothy B. Wheeler)

Chesapeake states grapple with ‘forever chemical’ contaminating drinking water

Widely used in consumer and industrial products, including fire-fighting foam, PFAS are now cropping up in groundwater near military bases,

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