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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":0.0073,"valueText":"0,0073","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1163:2025-12-17"},"pfas4":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-17T00:00:00Z","sampleId":"ZW1163:2025-12-17"},"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":"ZW1163:2025-12-17","date":"2025-12-17","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0073,"valueText":"0,0073","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"ac0091c97da32c02dcf7213f0789ebdaa3d88120786893b58bf87db73a5a220e"},{"id":"ZW1163:2025-12-16","date":"2025-12-16","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.006,"valueText":"0,006","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"172d608d1ccca26cfb20a93c5bb9088f9af14531acb5aefb208240ec0437bd17"},{"id":"ZW1163:2025-12-16#2","date":"2025-12-16","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0044,"valueText":"0,0044","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"0f870c32a96bf7a0e137daf0638b1cd8d35db4052c95191025408141a0cf5dde"},{"id":"ZW1163:2025-11-17","date":"2025-11-17","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0054,"valueText":"0,0054","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0024,"valueText":"0,0024","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"706c9312669d0f4b755c0fb30c7b637f7aa055110340b41f616b559b072c847a"},{"id":"ZW1163:2025-09-24","date":"2025-09-24","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0053,"valueText":"0,0053","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"fdd07ae0e65d589b1cadab334789cb9ce20635fcfffe437b0fba61441899fc50"},{"id":"ZW1163:2025-08-28","date":"2025-08-28","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0056,"valueText":"0,0056","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0013,"valueText":"0,0013","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"f387b0b64c9c3f0f425e7453b7041e0b413dedf3cac3be9808e19ead5b679d56"},{"id":"ZW1163:2025-07-28","date":"2025-07-28","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1163"],"sum20":{"value":0.0063,"valueText":"0,0063","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.003,"valueText":"0,003","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"b21a10b8bca416147bb0390d07faef83e762dcc637b966c090b1dce2e29e9f13"},{"id":"ZW1163:2025-06-27","date":"2025-06-27","commune":"52025","communeName":"Gerpinnes","sourceUrl":"https://environnement.wallonie.be/hom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