DIN EN 14407 E : 2014

National foreword<br>Foreword<br>Introduction<br>1 Scope<br>2 Terms and definitions<br>3 Principle<br>4 Apparatus<br>5 Determining analytical strategy<br>6 Analytical procedures<br>7 Archiving data, slides and samples<br>8 Quality assurance<br>9 Data interpretation<br>Annex A (informative) - Example for quality assurance <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of diatom analyses from the UK<br>Bibliography

Defines methods for the identification and enumeration of relative proportions of diatom taxa on prepared slides and of data interpretation relevant to assessments of water quality in rivers and lakes.