<wml2:point>
            <wml2:MeasurementTVP>
              <wml2:time>2007-10-04T12:00:00-07:00</wml2:time>
              <wml2:value>0.04</wml2:value>
              <wml2:metadata>
                <wml2:TVPMeasurementMetadata>
                  <!--link not functional.
                                                  relatedObservation for sample L07-4509 #5 Mendon Filtered-->
                  <wml2:relatedObservation>
                    <om:ObservationContext>
                      <om:role xlink:href="http://www.opengis.net/def/relatedObservation/WaterML/2.0/analyticalSample" xlink:title="Analytical Sample Observation" />
                      <om:relatedObservation xlink:href="http://example.com/wqx/L07-4509 #5 Mendon Filtered" xlink:title="LabCode:L07-4509 #5 Mendon Filtered" />
                    </om:ObservationContext>
                  </wml2:relatedObservation>
                </wml2:TVPMeasurementMetadata>
              </wml2:metadata>
            </wml2:MeasurementTVP>
          </wml2:point>