EN 13946 Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes
EN 14996 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
ISO 10934-1:2002 Optics and optical instruments - Vocabulary for microscopy - Part 1: Light microscopy
BS EN 14407:2014 history
2014BS EN 14407:2014 Water quality. Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes
2004BS EN 14407:2004 Water quality - Guidance standard for the identification, enumeration and interpretation of benthic diatom samples from running waters