{"title":"Metal discharges from municipal wastewater treatment plants by treatment method/major drainage region, substance, observations and every other year","variables":[{"code":"RenAvr","text":"treatment method/major drainage region","values":["40","42","44","46","48","50","80","82","84","86","88","90"],"valueTexts":["Bothnian Bay","Bothnian Sea","Baltic Sea","Öresund","Kattegatt","Skagerrak","biological","chemical","bio-chem (conv.)","bio-chem (compl.)","bio-chem (nitrogen)"," Total"]},{"code":"Substans","text":"substance","values":["Pb","Cd","Cu","Cr","Hg","Ni","Zn"],"valueTexts":["lead in kilograms","cadmium in kilograms","copper in kilograms","chromium in kilograms","mercury in kilograms","nickel in kilograms","zink in kilograms"]},{"code":"ContentsCode","text":"observations","values":["00000216"],"valueTexts":["Metal discharges from municipal wastewater treatment plants"]},{"code":"Tid","text":"every other year","values":["2014","2016","2018","2020","2022"],"valueTexts":["2014","2016","2018","2020","2022"],"time":true}]}