British Standards Document
BS EN 12390-3
Testing hardened concrete. Compressive strength of test specimens

https://doi.org/10.3403/30360097U

BS EN 12390-3 is maintained by B/517. The current release of this standard is:

BS EN 12390-3:2019 Testing hardened concrete. Compressive strength of test specimens

https://doi.org/10.3403/30360097 (published 16/07/2019)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 12390-3:2009 [current until 16/07/2019]
BS EN 12390-3:2002 [current until 31/05/2009]