Geosynthetic barriers. Test method for the determination of the influence of wetting-drying cycles on the permeability of clay geosynthetic barriers1 Scope This Technical Specification describes an index test to determine the influence ratio of wetting drying cycles on the flux through saturated clay geosynthetic barrier specimens. This test method is applicable to GBR C products with no additional sealing layers attached.

Manufacturers of equipment and machinery using insulating liquids

The active chlorine concentration of 20 mg/l is intended for accessories such as beach robes and towels

PD CEN/TR 16149 has been produced by the convenors of CEN/TC158 working groups

BS IEC 61156‑1‑4 s therefore not intended to become a type of test method

BS 8509:2008+A1:2011 has been fully revised by experts

BS 5306-1:2006 covers good practice in matters affecting the design

BS EN 933-3 applies to natural

BS EN 60297-3-107 provides for an alternative/smaller form factor of plug-in units as defined in IEC 60297-3-101

BS 6262-4 gives safety recommendations for the use of glass and plastics glazing sheet materials in locations likely to be subject to accidental human impact

and CEN/TS 16555-5 provides guidance for managing collaboration between individuals

Manufacturers of heat-resisting alloy wires

b) identifies common problems which members are facing related to international standardization activities