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                        <gco:CharacterString>NERC EDS Environmental Information Data Centre</gco:CharacterString>
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                              <gco:CharacterString>Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services</gco:CharacterString>
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                                 <gmd:date>
                                    <gco:Date>2010-12-08</gco:Date>
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                  <gco:CharacterString>This experiment was devised in 2018 and the water samples were collected during 2018 – 2020. The water samples were analysed for various water chemistry parameters within 3 months of collection. Samples were stored in the fridge at 4 degrees. Organic matter was extracted by filtration and rotary evaporation within 3 months of collection and analysed for elemental composition within 3 months of extraction. Lab analysis QA steps: 10% of all samples are analysed in a replicate. All equipment is calibrated at the beginning of a run and with multiple checks throughout. Data analysis QA steps: all replicate data are compared, and if within 95% of each other, an average value is used. If the replicates were different, the samples were re-analysed. Once CHNO content had been calculated, restrictions were placed on derived metrics based on physical properties (e.g. bonding).</gco:CharacterString>
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