{
  "rows": [
    {
      "type": "Potable-water PEX",
      "measure": "PPI minimum extrapolated chlorine-resistance time-to-failure",
      "value": "50",
      "value_high": "",
      "unit": "years (test extrapolation)",
      "source": "Plastics Pipe Institute, TN-53 (October 2025)",
      "url": "https://www.plasticpipe.org/common/Uploaded%20files/Technical/PPI-TN-53.pdf",
      "data_years": "October 2025 note; measured data years not published",
      "read": "2026-11-04",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ppi-pex-extrapolated-life"
    }
  ]
}
