BSOL is a comprehensive online standards library giving you full text access to over 71,000 British, adopted European and International standards
BSOL includes all British standards and international and European standards that have been adopted as British standards.
It also includes ASTM, ISO and IEC standards that haven't been adopted as British standards.
BSOL also holds BSI Publicly Available Specifications, as well as BSI books.
More information about basic and advanced searches can be found at Searching in BSOL