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Water quality. Gross alpha and gross beta activity. Test method using liquid scintillation counting. Original standard BS EN ISO 11704-2018 in PDF full version. Additional info + preview on request

Document status: Active

Ophthalmic optics. Format of digital data files for data transfer for profiling of spectacle lenses - Two-dimensional tracers. Original standard BS EN ISO 11715-1-1998 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Textile-glass-reinforced plastics. Prepregs, moulding compounds and laminates. Determination of the textile-glass and mineral-filler content using calcination methods. Original standard BS EN ISO 1172-2023 in PDF full version. Additional info + preview on request

Document status: Active

Textiles. Determination of resistance of cellulose-containing textiles to micro-organisms. Soil burial test. Assessment of rot-retardant finishing. Original standard BS EN ISO 11721-1-2001 in PDF full version. Additional info + preview on request

Document status: Active

Textiles. Determination of resistance of cellulose-containing textiles to micro-organisms. Soil burial test. Identification of long-term resistance of a rot retardant finish. Original standard BS EN ISO 11721-2-2003 in PDF full version. Additional info + preview on request

Document status: Active

Water quality. Detection and enumeration of Legionella - Direct membrane filtration method for waters with low bacterial counts. Original standard BS EN ISO 11731-2-2008 (BS 6068-4.18-2004) in PDF full version. Additional info + preview on request

Document status: Withdrawn