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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":"ZW1478:2025-12-17","date":"2025-12-17","commune":"55004","communeName":"Braine-le-Comte","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":"21965c2fcb6af32cfe9eb5ece526acaba2cab11861648b38768089e734388806"},{"id":"ZW1102:2025-12-01","date":"2025-12-01","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1102"],"sum20":{"value":0.0114,"valueText":"0,0114","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"98d5835d3d7e12bd7ddc2c86d532b4544e006cd9ba4c69806776ea9a13863e9b"},{"id":"ZW1478:2025-11-14","date":"2025-11-14","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1478"],"sum20":{"value":0.0242,"valueText":"0,0242","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"ceab3664c5031973fe63f64151e886f4702c0c0f1700123dcf68e018cb30a0ea"},{"id":"ZW1478:2025-11-14#2","date":"2025-11-14","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1478"],"sum20":{"value":0.0249,"valueText":"0,0249","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"7559334c2a2e6d189030a1c5089ea7652c94249c081d305786fecb2b03907cb8"},{"id":"ZW1102:2025-11-10","date":"2025-11-10","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1102"],"sum20":{"value":0.02,"valueText":"0,02","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"e27b9bc709ebeaadc575cc38499ddea593f1e5409754295f7210a1755a265ff1"},{"id":"ZW1102:2025-11-10#2","date":"2025-11-10","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1102"],"sum20":{"value":0.0178,"valueText":"0,0178","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"496cdfb0c49589b5d55b0b2652776f357c8d9cc1d144aae1d592ed923bdd76fc"},{"id":"ZW1102:2025-11-07","date":"2025-11-07","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1102"],"sum20":{"value":0.0207,"valueText":"0,0207","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"1c244c81944ece5629cc49b229b3a2e20479da5738aec2f45ab84beb88b40847"},{"id":"ZW1478:2025-11-07","date":"2025-11-07","commune":"55004","communeName":"Braine-le-Comte","sourceUrl":"https://e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