{"id":4541,"date":"2010-09-08T12:01:33","date_gmt":"2010-09-08T10:01:33","guid":{"rendered":"https:\/\/asso.graie.org\/portail\/?p=4541"},"modified":"2025-12-08T09:00:23","modified_gmt":"2025-12-08T08:00:23","slug":"fiche-methodologique-n5-calcul-masses-de-polluants","status":"publish","type":"post","link":"https:\/\/asso.graie.org\/portail\/fiche-methodologique-n5-calcul-masses-de-polluants\/","title":{"rendered":"Fiche m\u00e9thodologique Autosurveillance n\u00b05 : Calcul des masses de polluants"},"content":{"rendered":"<div>Les masses de MES et DCO d\u00e9vers\u00e9es dans les cours d\u2019eau peuvent \u00eatre calcul\u00e9es pour l\u2019autosurveillance des d\u00e9versoirs d\u2019orages, gr\u00e2ce \u00e0 un d\u00e9bitm\u00e8tre pour les volumes et \u00e0 un pr\u00e9leveur automatique (<a href=\"https:\/\/asso.graie.org\/portail\/fiche-technique-n6-preleveur-automatique\/\">voir fiche technique pr\u00e9leveur<\/a>) pour les concentrations moyennes de ces polluants<\/div>\n<p><em>Cette fiche pr\u00e9sente les diff\u00e9rentes strat\u00e9gies pouvant \u00eatre mise en oeuvre , les pr\u00e9cautions a prendre et les v\u00e9rification a effectuer.<\/em><\/p>\n<a href=\"http:\/\/www.graie.org\/graie\/graiedoc\/reseaux\/autosurv\/F5_calculmasseprelevtYB.pdf\" target=\"_blank\" class=\"shortc-button big blue \"><span class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/span> Outil (3p)<\/a>\n","protected":false},"excerpt":{"rendered":"<p>Les masses de MES et DCO d\u00e9vers\u00e9es dans les cours d\u2019eau peuvent \u00eatre calcul\u00e9es pour l\u2019autosurveillance des d\u00e9versoirs d\u2019orages, gr\u00e2ce \u00e0 un d\u00e9bitm\u00e8tre pour les volumes et \u00e0 un pr\u00e9leveur automatique (voir fiche technique pr\u00e9leveur) pour les concentrations moyennes de &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"footnotes":""},"categories":[38,29],"tags":[184,730,216,387,724],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fiche m\u00e9thodologique Autosurveillance n\u00b05 : Calcul des masses de polluants | Graie<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/asso.graie.org\/portail\/fiche-methodologique-n5-calcul-masses-de-polluants\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche m\u00e9thodologique Autosurveillance n\u00b05 : Calcul des masses de polluants | Graie\" \/>\n<meta property=\"og:description\" content=\"Les masses de MES et DCO d\u00e9vers\u00e9es dans les cours d\u2019eau peuvent \u00eatre calcul\u00e9es pour l\u2019autosurveillance des d\u00e9versoirs d\u2019orages, gr\u00e2ce \u00e0 un d\u00e9bitm\u00e8tre pour les volumes et \u00e0 un pr\u00e9leveur automatique (voir fiche technique pr\u00e9leveur) pour les concentrations moyennes de &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/asso.graie.org\/portail\/fiche-methodologique-n5-calcul-masses-de-polluants\/\" \/>\n<meta property=\"og:site_name\" content=\"Graie\" \/>\n<meta property=\"article:published_time\" content=\"2010-09-08T10:01:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-08T08:00:23+00:00\" \/>\n<meta name=\"author\" content=\"adriengervet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@asso_graie\" \/>\n<meta name=\"twitter:site\" content=\"@asso_graie\" \/>\n<meta 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