Water quality. Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data1 Scope This European Standard describes methods, requirements and equipment for remote visual surveillance of organisms and the seabed using still photography and video recording to ensure precise and reproducible data. The main aims of the methods are to record or monitor seabed conditions and organisms on and just above the seabed in a reproducible way at a resolution that is appropriate to the aims of the survey. In caves and overhangs this

- Angularity of fine aggregates

Cords are category 7 compliant for which the requirements are given in ISO/IEC 11801 series

3 of this European Standard may be incorporated in hybrid construction cables together with coaxial or optical fibre cabling elements

Determination of non-volatile matter is an important quality assurance test for products in which the presence of any residue may affect product quality and performance

Process monitoring of problems in which several related variables are of interest is collectively known as multivariate statistical process control (MSPC)

These are the following:

EMS application developers

treatment of an aliquot part of the solution with hydroxylammonium chloride to reduce any iron (III) present to iron (II) and 1

soap sinking and pedestals

BS EN 13362:2018 supersedes BS EN 13362:2013

and associated data which form

2nd and 3rd family gases according to EN 437