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	<xs:import namespace="http://dd.eionet.europa.eu/namespace.jsp?ns_id=133" schemaLocation="http://dd.eionet.europa.eu/GetContainerSchema?id=TBL5210"/>
	<xs:element name="BasicQuality">
		<xs:annotation>
			<xs:documentation xml:lang="en">
				<dd2:Name><![CDATA[Nutrients in Rivers]]></dd2:Name>
				<dd2:Definition><![CDATA[Chemical quality data on nutrients and organic matter in rivers are requested from EEA Member Countries on an annual basis.]]></dd2:Definition>
				<dd2:Keyword><![CDATA[Inland water]]></dd2:Keyword>
				<dd2:Keyword><![CDATA[Pollution]]></dd2:Keyword>
				<dd2:Keyword><![CDATA[River]]></dd2:Keyword>
				<dd2:Keyword><![CDATA[Surface water]]></dd2:Keyword>
				<dd2:Keyword><![CDATA[Water]]></dd2:Keyword>
				<dd2:Keyword><![CDATA[Water quality]]></dd2:Keyword>
				<dd3:Methodology><![CDATA[Many EEA Member Countries have previously submitted aggregated data on nutrients and organic matter in rivers. The chemical quality data, up to the last year of requested data, are available to be viewed and downloaded from the publicly accessible Waterbase, hosted by the EEA Data Service at:
http://dataservice.eea.europa.eu/dataservice/metadetails.asp?id=1038.

Data providers are asked to check and validate their published data, and include any amendments in their next delivery of data.

The determinands required are detailed in the codelist attached to the Determinand_Nutrients field.

Data on nutrients and organic matter are requested as annually aggregated values. (reported in the field "Mean"). Information relevant for the temporal aggregation should be reported in appropriate fields: method of aggregation (such as average), number of samples, and aggregation period, and additional summary statistics (median, standard deviation, minimum and maximum). In cases where a determinand concentration at a monitoring site for each sampling occasion is represented by the averaged concentration from a number of sub-sites, then additional information on spatial aggregation should be reported in the fields MethodOfAggregation and NoOfSubsites (see each field for more detailed methodology). On aggregation, sample concentration values recorded as below the limit of detection or determination should be replaced with a value equivalent to half the limit of detection or determination, with the value of the limit of detection or determination noted in the appropriate fields. Negative values should not be used to represent values below the limit of detection or determination.

The following fields combine to create a unique record in this table: CountryCode, NationalStationID, Year, AggregationPeriod and Determinand_Nutrients. No duplicate records should exist within this combination.

We would like to encourage all countries to provide data on nutrients and organic matter in rivers, for as many stations, for as many determinands and for as long a time series as possible.]]></dd3:Methodology>
				<dd3:EEAissue><![CDATA[Eutrophication]]></dd3:EEAissue>
				<dd3:EEAissue><![CDATA[Water]]></dd3:EEAissue>
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		</xs:annotation>
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							<xs:element ref="dd133:CountryCode" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:NationalStationID" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Year" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:AggregationPeriod" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:PeriodLength" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Determinand_Nutrients" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Unit_Nutrients" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:NumberOfSamples" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:NoOfSubsites" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:MethodOfAggregation" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:CEN_ISO" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:LimitFlag" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:LimitOfDetection" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:LimitOfDetermination" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Mean" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Minimum" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Maximum" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Median" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:StandardDeviation" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:SampleDepth" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Conductivity" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:pH" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Temperature" minOccurs="0" maxOccurs="1"/>
							<xs:element ref="dd133:Remarks" minOccurs="0" maxOccurs="1"/>
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						<xs:attribute name="status" type="xs:string" use="optional"/>
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