British Standards Document
BS EN 450-1
Fly ash for concrete. Definition, specifications and conformity criteria

https://doi.org/10.3403/30216589U

BS EN 450-1 is maintained by B/517/4. The current release of this standard is:

BS EN 450-1:2012 Fly ash for concrete. Definition, specifications and conformity criteria

https://doi.org/10.3403/30216589 (published 31/08/2012)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 450-1:2005+A1:2007 [current until 31/08/2012]