A new draft international standard prEN ISO 18674-4 - Geotechnical investigation and testing -- Geotechnical monitoring by field instrumentation. Part 4: Measurement of pore water pressure: Piezometers is available for public comment until 23 September 2019. Anyone who is interested can register to view the document at http://standardsdevelopment.bsigroup.com/projects/2018-00790 and then add comments if they wish.