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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":"2025-10-29T00:00:00Z","sampleId":"ZW15085:2025-10-29","nonDetect":true,"upperBound":0.02},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-10-29T00:00:00Z","sampleId":"ZW15085:2025-10-29","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":"ZW15085:2025-10-29","date":"2025-10-29","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW15085"],"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":"84f689d2df0d9c43fd443e518c906efa4ba31b3b8b1bc093d78ed97d9be3484a"},{"id":"ZW1351:2025-10-08","date":"2025-10-08","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1351"],"sum20":{"value":0.0011,"valueText":"0,0011","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"241f52ab397fd1c49ba9f20137b03a0fca4d5dc6c320606dc2b7843d2673f81a"},{"id":"ZW1332:2025-06-02","date":"2025-06-02","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1332"],"sum20":{"value":null,"valueText":"<0,0205","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"6481b8b25b3a824234f22d1566fa81d0fdc6450b780cde0ac3eff13c808c4579"},{"id":"ZW1336:2025-04-28","date":"2025-04-28","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1336"],"sum20":{"value":null,"valueText":"<0,023","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"62ec0c065a81e754dcda9c59dd586bfd3f742fd982012716e010b28cd4926bc3"},{"id":"ZW15085:2025-04-14","date":"2025-04-14","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW15085"],"sum20":{"value":null,"valueText":"<0,026","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"27221b2d1c1d12b9983597240d27c6a1732084d39987de42121178d790781d10"},{"id":"ZW1329:2025-03-31","date":"2025-03-31","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1329"],"sum20":{"value":null,"valueText":"<0,023","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":null,"valueText":"<0,004","unit":"µg/L","nonDetect":true,"lowerBound":false},"revision":"d9f69b2de3e07a5ff6371eb658a28760896117e971c7d48b69d6fc7398483724"},{"id":"ZW1477:2025-03-31","date":"2025-03-31","commune":"81015","communeName":"Messancy","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1477"],"sum20":{"value":null,"valueText":"<0,023","unit":"µg/L","nonDetect":true,"lowerBound":false},"pfas4":{"value":nu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