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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":null,"valueText":"<0,02","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-04T00:00:00Z","sampleId":"ZW1211:2025-12-04","nonDetect":true,"upperBound":0.02},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-04T00:00:00Z","sampleId":"ZW1211:2025-12-04","nonDetect":true,"upperBound":0.004},"pfas4DetectedCount":0,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFOA","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":"PFBA","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":"inconclusive"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZW1211:2025-12-04","date":"2025-12-04","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1211"],"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":"ae1bf673d0124d914ad70086e1c19c0e34df5a4adaac013c7f72c5321dbd183a"},{"id":"ZW1388:2025-12-01","date":"2025-12-01","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1388"],"sum20":{"value":0.0086,"valueText":"0,0086","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"4a3dae4a7417b3f5a018715a0d8a00eb3a5e7405a1607c087d8028bf1139c331"},{"id":"ZW1210:2025-09-09","date":"2025-09-09","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1210"],"sum20":{"value":0.0206,"valueText":"0,0206","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"a75419f08e5a4798552fba6837f10709c5f58648f08694919108cb89001edf95"},{"id":"ZW1266:2025-08-26","date":"2025-08-26","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1266"],"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":"68c51328c978df90e890213f8e4b47c197797f58b12ed34dfa5e27fcbbb45e7e"},{"id":"ZW1211:2025-05-07","date":"2025-05-07","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1211"],"sum20":{"value":0.017,"valueText":"0,017","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"50126f99c21f9285f7b25c1dafaa17f98b575c6cc55109e17977297e9422eeca"},{"id":"ZW1232:2025-05-07","date":"2025-05-07","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1232"],"sum20":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"265f02277eb586fbf785814e14c74b4098bf16590b25e7428c02ad97b9139d03"},{"id":"ZW1380:2025-05-07","date":"2025-05-07","commune":"92045","communeName":"Floreffe","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1380"],"sum20":{"value":0.01,"valueText":"0,01","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0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