Water quality. Biological classification of rivers - Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates algolia-ignore BS EN IEC 60404-13:2018 includes

BS EN IEC 60404-13:2018 includes some technical changes concerning BS EN 60404-13:2007

Why should you use ISO 15708-2

Standardizations are of utmost importance to ensure optimum credibility

controlled dive experience

either during or upon completion or after delivery of the intended dose

Water quality. Biological classification of rivers - Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates algolia-ignore BS EN IEC 60404-13:2018 includes1 Scope This part of ISO 8689 gives guidance on the interpretation of biological quality data relating to running waters from surveys of benthic macroinvertebrates. It is recognized that for a complete assessment of ecological status, other elements of biological quality should be assessed. NOTE Annex A gives guidance on how the comparison of the various classification systems can be made where classifications of the biological quality of running