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Concentrations of 61 Trace Elements in Sewage Sludge, Farmyard Manure, Mineral Fertiliser, Precipitation and in Oil and Crops
Courtesy of Swedish EPA - Swedish Environmental Protection Agency (Naturvårdsverket)
This report details the concentrations of over 60 elements in sewage sludge from 48 sewage treatment plants across Sweden; manure from pigs and cattle from 12 farms; the most common NPK and P fertilisers (2 of each sort); precipitation during one year from Gårdsjön in west Sweden; 25 topsoil and 25 subsoil samples from a variety of soil types; and 20 samples of winter wheat grains and 5 samples of spring barley grains. The sewage sludge samples were collected during a 2–4-week period (3–4 sub-samples were taken during the collection period) in summer–autumn 2000. Samples of the other material were collected as part of various environmental monitoring programmes.
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