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Valeurs publiées en ng/L, converties en µg/L ; un « < » indique que tous les composés étaient sous la limite de quantification. Licence de réutilisation non vérifiée pour ce document (les données ouvertes du SPW sont normalement CC BY 4.0) ; attribution SPW-ARNE et SWDE en attendant confirmation."},"pfas":{"status":"measured","sum20":{"value":0.0067,"valueText":"0,0067","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-27T00:00:00Z","sampleId":"ZW1088:2025-11-27"},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-11-27T00:00:00Z","sampleId":"ZW1088:2025-11-27"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHxS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHxA","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpA","valueText":"<0,001","unit":"µg/L"},{"name":"PFPeA","valueText":"<0,001","unit":"µg/L"},{"name":"PFNA","valueText":"<0,001","unit":"µg/L"},{"name":"PFDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFUnDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFDoDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFTrDA","valueText":"<0,001","unit":"µg/L"},{"name":"PFBS","valueText":"<0,001","unit":"µg/L"},{"name":"PFPeS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpS","valueText":"<0,001","unit":"µg/L"},{"name":"PFNS","valueText":"<0,001","unit":"µg/L"},{"name":"PFDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFUnDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFDoDS","valueText":"<0,001","unit":"µg/L"},{"name":"PFTrDS","valueText":"<0,001","unit":"µg/L"}],"comparison":{"proposed":{"value":0.0005,"period":"annual_mean","official":false,"state":"over"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZW1088:2025-11-27","date":"2025-11-27","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1088"],"sum20":{"value":0.0067,"valueText":"0,0067","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"d747cffefba3f6ea544aa9824a99ca1bcdb65a0553e095f8df2de86559613347"},{"id":"ZW1002:2025-11-03","date":"2025-11-03","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1002"],"sum20":{"value":0.0044,"valueText":"0,0044","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"f9e52abbb47644da57cd9009e4b32d104f0aa8dc53ab30d75c1ac63b4c072b7d"},{"id":"ZW1088:2025-09-16","date":"2025-09-16","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1088"],"sum20":{"value":0.0012,"valueText":"0,0012","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"9a1d90f7bb797168c077cce234712bb417e86fc86db4cef3f48200de4b308d3c"},{"id":"ZW1002:2025-08-07","date":"2025-08-07","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1002"],"sum20":{"value":null,"valueText":"<0,0205","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"50dc063383bd7d6f5bf11bdf46b8300afa104ee4802973aef8901644a7be99db"},{"id":"ZW1002:2025-06-12","date":"2025-06-12","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1002"],"sum20":{"value":0.004,"valueText":"0,004","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"9731f5f7a44f3bf46604c9a7db1d13e7ed76fb3daf4b52c86adefc8856706553"},{"id":"ZW1088:2025-04-29","date":"2025-04-29","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1088"],"sum20":{"value":null,"valueText":"<0,02","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"02f6696219a62b3bbeedd3a305dfae648b2294a1cb765a3242d5b2ac881d1c91"},{"id":"ZW1002:2025-02-10","date":"2025-02-10","commune":"63020","communeName":"Dison","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1002"],"sum20":{"value":null,"valueText":"<0,026","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"f63fdbba5261a4db92c5f8edc5300f2443348fd24f154f97cd2fe1a6ec60c2e2"},{"id":"ZW1088:2025-01-28","date":"2025-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