As a geotechnical consultant, I regularly need ISO 22282-2 for specifying and interpreting open-system permeability tests (e.g., Lefranc, open-end, and packer tests without back pressure). The BS EN ISO version is the UK-adopted standard, so it’s identical to the international one but includes the UK foreword and national annex.
: Used for intermediate permeability ranges. This involves inducing an instantaneous head change (e.g., "slug test") and recording the decay of that head over time. bs en iso 22282-2 pdf
: Assessing the stability and drainage requirements for large structures. Seepage Analysis As a geotechnical consultant, I regularly need ISO