{
  "id-zmienna": 774,
  "nazwa": "Sewage sludge from industrial and municipal wastewater treatment plants landfilled up to now",
  "nazwa-skrocona": "Sewage sludge from industrial and municipal wastewater treatment plants landfilled up to now",
  "tagi": [
    {
      "id-tag": 707,
      "nazwa-tag": "municipal wastewater treatment plants"
    },
    {
      "id-tag": 708,
      "nazwa-tag": "industrial wastewater treatment plants"
    }
  ],
  "pojecia": [
    {
      "id-pojecie": 279,
      "nazwa-pojecie": "Sewage sludge from wastewater treatment and pre-treatment plants generated",
      "definicja": "<p>Sludge from wastewater treatment plants coming from fermentation tanks and other equpment used for treatment municipal sewage. Sewage sludge is the product of sewage treatment and is formed through a series of physical, physico-chemical and biological processes occuring in wastewater treatment and pre-treatment plants.</p>",
      "uwagi": "<p>In facilities for wastewater treatment, the following types of hydrated sewage sludge are generated:</p>\n<ul>\n<li>sludge pumped from putrid settling tanks,</li>\n<li>sludge removed from Imhoff's tanks,</li>\n<li>excessive sludge removed from activated sludge devices and rinsed from biofilters,</li>\n<li>polluted sand filers, so called fen soils.</li></ul>",
      "data-poczatku-pojecie": "1999-07-01",
      "data-konca-pojecie": "9999-12-31"
    }
  ],
  "wyjasnienia-metodologiczne": {
    "notki": []
  },
  "przekroje": [
    {
      "id-przekroj": 2,
      "nazwa-przekroj": "Poland, voivodeships",
      "szereg-czasowy": "2010 - 2025",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2025-10-27",
      "aktualizacja-kolejna": "2026-10-27"
    }
  ],
  "zestawy": [
    {
      "id-zestaw": 356,
      "symbol-zestaw": "OS-3",
      "nazwa-zestaw": "report on water, wastewater and pollutant load management",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 366,
      "symbol-zestaw": "OS-5",
      "nazwa-zestaw": "report on urban and rural wastewater treatment plants",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    },
    {
      "id-zestaw": 1414,
      "symbol-zestaw": "OS-5",
      "nazwa-zestaw": "report on municipal wastewater treatment plants",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    }
  ],
  "badania": [
    {
      "id-badanie": 5,
      "symbol-badanie": "1.01.05",
      "temat-badanie": "Resources, use, pollution and protection of waters"
    }
  ],
  "akty-prawne": [
    {}
  ],
  "jednostki": [
    {
      "id-jednostka": 126,
      "nazwa-jednostki": "Statistical Office in Białystok"
    }
  ]
}