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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":0.0082,"valueText":"0,0082","unit":"µg/L","limit":0.1,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-01T00:00:00Z","sampleId":"ZW1326:2025-12-01"},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","limit":0.004,"limitUnit":"µg/L","status":"ok","sampleDate":"2025-12-01T00:00:00Z","sampleId":"ZW1326:2025-12-01"},"pfas4DetectedCount":1,"lowerBound":true,"sampledAt":null,"qualifiers":[{"name":"PFOS","valueText":"<0,001","unit":"µg/L"},{"name":"PFHxS","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":"over"},"sweden":{"value":0.004,"jurisdiction":"se"},"franceSum20":{"value":0.1,"jurisdiction":"fr"}}},"samples":[{"id":"ZW1326:2025-12-01","date":"2025-12-01","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0082,"valueText":"0,0082","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0014,"valueText":"0,0014","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"0a31bfab05806360fec6b994ff845d488a03457e917a490e60ae4791c223a0ba"},{"id":"ZW1326:2025-10-07","date":"2025-10-07","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0143,"valueText":"0,0143","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0012,"valueText":"0,0012","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"e0ed8cdfd7782c2c52aa0620ca4c9fc46c87db925efbf02c2da22f610412e7cc"},{"id":"ZW1326:2025-09-09","date":"2025-09-09","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"sum20":{"value":0.0109,"valueText":"0,0109","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0016,"valueText":"0,0016","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"70ccda1e0191abb4c9884f9be31837cc6b78fd8146bad81ecadd395a1a521232"},{"id":"ZW1220:2025-08-26","date":"2025-08-26","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1220"],"sum20":{"value":0.0186,"valueText":"0,0186","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.0066,"valueText":"0,0066","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"bb40992979b4b8df640bdd36b6256eeef17299bc9849f92cde443ab5e5c1e52e"},{"id":"ZW1326:2025-07-08","date":"2025-07-08","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"d636c255905ab873fea9cdce80e3555b34a3632896483de47f6bc8171def5aac"},{"id":"ZW1326:2025-05-06","date":"2025-05-06","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1326"],"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":"4b37e62c3d5a76597f44cac0f00fde9be7e70398d1e732691f05d32ecbb053ff"},{"id":"ZW1220:2025-02-25","date":"2025-02-25","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-environnementale/environnement-sante/pfas","networks":["ZW1220"],"sum20":{"value":0.01,"valueText":"0,01","unit":"µg/L","nonDetect":false,"lowerBound":false},"pfas4":{"value":0.002,"valueText":"0,002","unit":"µg/L","nonDetect":false,"lowerBound":false},"revision":"1e84e1482105190e9267989afde4c7cf9accb71ff5dec2283ffd39e4aaaa7133"},{"id":"ZW1326:2025-02-19","date":"2025-02-19","commune":"92142","communeName":"Gembloux","sourceUrl":"https://environnement.wallonie.be/home/gestion-envir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