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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":0.0186,"valueText":"0,0186","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1478:2025-12-17"},"pfas4":{"value":0.001,"valueText":"0,001","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1478:2025-12-17"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFOA","valueText":"<0,001","unit":"µg/L"},{"name":"PFHpA","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":"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":"ZW1147:2025-12-17","date":"2025-12-17","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"sum20":{"value":0.0108,"valueText":"0,0108","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"5fabeebdef2ac4a1b949404059db974f259b45f1a42063ef6e6479f50df93a7d"},{"id":"ZW1478:2025-12-17","date":"2025-12-17","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1478"],"sum20":{"value":0.0186,"valueText":"0,0186","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.001,"valueText":"0,001","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"7d23b97862cdcca05dd976cd7ab4ca96c22640c059aa5489925511e9e74da7f6"},{"id":"ZW1147:2025-12-11","date":"2025-12-11","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"sum20":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"6a189bf3ba7dcc212d12f4fe72960a253449a221fe91ebf1aacf76325266e70b"},{"id":"ZW1147:2025-12-01","date":"2025-12-01","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"sum20":{"value":0.01,"valueText":"0,01","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"8df42957682598cdb7ba6f1075d19c3e656b9d2cdb36ffccf2532d67effb9df4"},{"id":"ZW1147:2025-11-14","date":"2025-11-14","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"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":"87ae4098c9ae97e35cbbea8cac3191bfe7b418c774b7e78aeb29939b3bae1038"},{"id":"ZW1147:2025-11-14#2","date":"2025-11-14","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"sum20":{"value":0.0015,"valueText":"0,0015","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"6fdb763bf96c8998ccbe653c6f032fb21a07e95d97063fcbdd47dbc4529319fb"},{"id":"ZW1147:2025-11-14#3","date":"2025-11-14","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1147"],"sum20":{"value":0.0122,"valueText":"0,0122","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"65b005448c92c87db51195cffcf3194f893d61f0764dc6d3f74bf93a4f3babc4"},{"id":"ZW1147:2025-11-14#4","date":"2025-11-14","commune":"25044","communeName":"Ittre","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas"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