-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131/addendum/combo" version="1.3.1">
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 -->
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 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="cs_datedComment.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
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-<xsd:complexType name="cs_waterCleaningQuality">
-<xsd:annotation>
 <xsd:documentation>Information about the contaminants in water, and the general water quality. The values are measured from a sample, which is described below. Values measured from other samples should be given in different instances of the type.</xsd:documentation>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="samplePoint" type="witsml:nameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>An identifier of the point from which the sample was taken. This is an uncontrolled string value, which should be as descriptive as possible.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="oilInWaterProduced" type="witsml:massConcentrationMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total measured oil in the water after the water cleaning process, but before it is discharged from the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="amountOfOil" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total measured oil in the water after the water cleaning process, but before it is discharged from the installation</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="ammonium" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The amount of ammonium found in the water sample.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalOrganicCarbon" type="witsml:massConcentrationMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The amount of total organic carbon found in the water. The water is under high temperature and the carbon left is measured</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="phenol" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The amount of Fenol found in the water sample.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="glycol" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The amount of Glycol found in the water sample.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="phValue" type="witsml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The pH value of the treated water. The pH value is best given as a value, with no unit of measure, since there are no variations from the pH.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="waterTemperature" type="witsml:thermodynamicTemperatureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The temperature of the water before it is discharged.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="residualChloride" type="witsml:massConcentrationMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total measured residual clorines in the water after the water cleaning process, but before it is discharged from the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="oxygen" type="witsml:massConcentrationMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total measured Oxygen in the water after the water cleaning process, but before it is discharged from the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="turbidity" type="witsml:unitlessQuantity" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A measure of the cloudiness of water caused by suspended particles.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="coulterCounter" type="witsml:massConcentrationMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A measure of the number of particles in water as measured by a coulter counter.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="comment" type="witsml:cs_datedComment" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Any comment that may be useful in describing the water quality. There can be multiple comments.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:attributeGroup ref="witsml:attgrp_uid">
-<xsd:annotation>
 <xsd:documentation>The unique identifier of the recurring element.</xsd:documentation>
 </xsd:annotation>
 </xsd:attributeGroup>
 </xsd:complexType>
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 </xsd:schema>