This European standard specifies the scheme for the evaluation of conformity of fly ash according to EN 450-1. The standard provides technical rules for the production control by the producer@ including autocontrol testing of samples. It also provides rules for actions to be followed in the event of non-conformity@ the procedure for the certification of conformity and requirements for dispatching centres.
PREN 450-2-2010 history
2010PREN 450-2-2010 Fly ash for concrete - Part 2: Conformity evaluation