CIRCA successes

Fly Ash specified in Public Works & Government Services Canada's National Master Specifications
CIRCA members and their representatives work with standard development bodies and brief CIRCA members on developments. In 2001, CIRCA's lobbying efforts were influential in amending PWGSC's National Master Specification (NMS) to include fly ash in concrete. CIRCA continues this work to encourage the establishment of a minimum replacement level in the NMS and to provide input on PWGSC's proposed "Guideline on the Use of Fly Ash or Slag in Concrete".

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