Water quality. Guidance on assuring the quality of biological and ecological assessments in the aquatic environment Ingestion-build-96603 References to the new Pressure

References to the new Pressure Equipment Directive (PED) (2014/68/EU) have been included as well as the usual updating of all of the cross-referenced standards that appear in PD 5500

BS EN 13409 provides the requirements of apparatus and materials used for the test and includes standard test conditions and procedures to evaluate the setting time of smoothing and/or levelling compounds

BS 5839-8 can be used for guidance in the design

4 Internal stresses in the base material

This Standard also covers pressure-reduction systems

Water quality. Guidance on assuring the quality of biological and ecological assessments in the aquatic environment Ingestion-build-96603 References to the new Pressure