Overvåking av vannkvalitet i Haldenvassdraget 2017/2018
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The report presents results from monitoring of ten rivers and creeks in the Halden Watershed in the period 1 May 2017 to 1 May 2018. Water samples were collected every 14th day and analysed for total phosphorous (TP) and suspended sediments (SS). Every 28th day the samples were also analysed for dissolved phosphate. Results from previous monitoring in the period May 1th 2012 to May 1th 2017 are found in Greipsland (2015), Greipsland (2016) and Greipsland (2017).