NEN EN 450-1 : 2012

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Specific provisions for fly ash from co-combustion
  4.1 Co-combustion materials
  4.2 Establishment of suitability of fly ash from co-combustion
  4.3 Environmental compatibility
5 Specifications
  5.1 General
  5.2 Chemical requirements
  5.3 Physical requirements
  5.4 Other requirements
  5.5 Information to be supplied upon request
6 Packaging and labelling
7 Sampling
8 Conformity Criteria
  8.1 General requirements
  8.2 Statistical conformity criteria
  8.3 Single result conformity criteria
Annex A (normative) Release of dangerous substances and
                       emission of radioactivity
Annex B (normative) Method of determining the water
                       requirement for Category S fly ash
Annex C (normative) Method of determining the content of
                       soluble phosphater as available
                       phosphorus pentoxide (P[2]O[5])
Annex ZA (informative) Clauses of this European Standard
                       addressing essential requirements
                       or other provisions of EU Directives
Bibliography
Figures
Tables

Defines requirements for the chemical and physical properties as well as quality control procedures for siliceous fly ash, as defined in 3.2, for use as a type II addition for production of concrete, including in particular cast-in-situ or prefabricated structural concrete conforming to EN 206-1.