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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":0.007,"valueText":"0,007","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-05-06T00:00:00Z","sampleId":"ZRECH2:2025-05-06"},"pfas4":{"value":0.007,"valueText":"0,007","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"exceeded","sampleDate":"2025-05-06T00:00:00Z","sampleId":"ZRECH2:2025-05-06"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"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":"over"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZRECH1:2025-05-06","date":"2025-05-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZRECH1"],"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":"167e2d5140937ea4603fc223e661813af6fdcfd32b2e07b15382f4b93bd0e733"},{"id":"ZRECH2:2025-05-06","date":"2025-05-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZRECH2"],"sum20":{"value":0.007,"valueText":"0,007","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.007,"valueText":"0,007","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"451baae44ad2eb451131a49788e639302766e2a98bc80c51058d5f55d3a5b3dd"},{"id":"ZRECH3:2025-05-06","date":"2025-05-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZRECH3"],"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":"fb0113bb27118257c855eebabe51b8d86744861df2c931a1c09c6edbed647edd"},{"id":"ZRECH4:2025-05-06","date":"2025-05-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZRECH4"],"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":"540c172434b482a6fc9472dce03b43684d8c4600fb8c811bb241de666158f3f2"},{"id":"ZW1108:2025-03-06","date":"2025-03-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1108"],"sum20":{"value":null,"valueText":"<0,027","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"6e1a5c9b5f2aaf30a58854d8d62c40433dd17bd85abc1ac72ac25a07587fc709"},{"id":"ZW1109:2025-03-06","date":"2025-03-06","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1109"],"sum20":{"value":null,"valueText":"<0,027","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"200fed6d4d3dd6a4abe8c031a04a481490be220a6720ce19118d174fa5815ca7"},{"id":"ZRECH1:2024-11-28","date":"2024-11-28","commune":"56016","communeName":"Chimay","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZRECH1"],"sum20":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0,"valueText":"0","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"9b3282490554561018b2cde7c1f2b35a2678610bcb9244b89f29e6cd717462e2"},{"id":"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