{"title":"Incoming and outgoing discharges from municipal wastewater treatment plants by recipient/treatment method/size, substance, observations and every other year","variables":[{"code":"Renmetstrlrec","text":"recipient/treatment method/size","values":["36","38","40","42","44","46","48","50","70","72","74","76","78","80","82","84","86","88","90"],"valueTexts":["Inland","Coastal","Bothnian Bay","Bothnian Sea","Baltic Sea","Öresund","Kattegatt","Skagerrak","2 001–10 000","10 001–20 000","20 001–50 000","50 001–100 000","100 001–","biological","chemical","bio-chem (conv.)","bio-chem (compl.)","bio-chem (nitrogen)"," Total"]},{"code":"Substans","text":"substance","values":["Tot-P","Tot-N","BOD7","CODCr","QV"],"valueTexts":["total phosphorous","total nitrogen","BOD7 (organic compounds)","CODCr (organic compounds)","water volume, 1000 cubic metres"]},{"code":"ContentsCode","text":"observations","values":["000000P9","000000P8","000000P6","000000P7"],"valueTexts":["Incoming amounts, tonnes, m3","Outgoing amounts, tonnes, m3","Treatment efficiency, percent","Concentration averages, mg/l"]},{"code":"Tid","text":"every other year","values":["2014","2016","2018","2020","2022"],"valueTexts":["2014","2016","2018","2020","2022"],"time":true}]}