The federal government has proposed limiting PFAS chemicals to the lowest levels tests can detect.
"Currently, we would be below the limits they have just set out," said Rod Dunn, manager of the city's Water Quality Assurance Lab.
In a statement, Columbus' Division of Water said"there was some ambiguity" about when and where the Environmental Group took its samples, so the department cannot confirm they were taken from the city's distribution system. "This highlights that not all PFAS are the same, and cannot be lumped together as a sum total. The unknowns, and the complicating factors of trying to relate those earlier samples to U.S. EPA’s complex proposed limits, makes an apples-to-apples comparison very difficult."
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