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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":"<0,0235","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-02T00:00:00Z","sampleId":"ZW1017:2025-12-02","nonDetect":true,"upperBound":0.0235},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-02T00:00:00Z","sampleId":"ZW1017:2025-12-02","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":"<0,0015","unit":"µg/L"},{"name":"PFDoDA","valueText":"<0,0015","unit":"µg/L"},{"name":"PFTrDA","valueText":"<0,0015","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":"<0,0015","unit":"µg/L"},{"name":"PFUnDS","valueText":"<0,0015","unit":"µg/L"},{"name":"PFDoDS","valueText":"<0,0015","unit":"µg/L"},{"name":"PFTrDS","valueText":"<0,0015","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":"ZW1017:2025-12-02","date":"2025-12-02","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1017"],"sum20":{"value":null,"valueText":"<0,0235","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"d63a2fcef8f2b19d928f9607baae41cf58a4c2a7d37b37aebba609c69e5604f3"},{"id":"ZW1022:2025-12-02","date":"2025-12-02","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1022"],"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":"22645a8e866787c579611468756050eadf51f84b66af93f6ee96762acd0fc32e"},{"id":"ZW1241:2025-10-29","date":"2025-10-29","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1241"],"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":"635e68a05c5cb02b2ad7dc9b1e3b883a506cd82d2af9e24fce9d467ccac6547f"},{"id":"ZW1241:2025-10-20","date":"2025-10-20","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1241"],"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":"4a6d367d7a019f7927ecf6015b8963f0c450c499f5c67b2862d225bef37d1723"},{"id":"ZW1022:2025-09-02","date":"2025-09-02","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1022"],"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":"2b2d09c6aca1d5fa593bb14a7832e680d1edc29f5163afd80a9471afcd3ca16f"},{"id":"ZW1022:2025-07-23","date":"2025-07-23","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1022"],"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":"fd3632e73460c36cf17c23f4f941e95224124b9f7f5086389377b3faaf529149"},{"id":"ZW1241:2025-07-14","date":"2025-07-14","commune":"64015","communeName":"Braives","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1241"],"sum20":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"va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