Comment submitted by John Schacht
AnonymousOtherIndividual
Summary: John Schacht, a wastewater utility engineer, provides professional feedback on the practical challenges of implementing PFAS treatment technologies. He emphasizes the need for robust manufacturing qualifications, traceability, and documentation to ensure that treatment systems are reliable and maintainable at full scale.
Please see the attached comment submitted in response to Docket EPA–HQ–OW–2025–0654. The attachment discusses wastewater utility implementation concerns, including hidden membrane-fiber defects, manufacturing qualification, integrity verification, acceptance testing, and deployment readiness. I submit the comment in my individual professional capacity.