Skip to content
About CCIL
About Organization
History
Board of Directors
National Board Committees
Other Committees
Divisions
Environmental / Life Sciences Division
Geotechnical & Construction Materials
CCIL High School STEM Scholarships
CCIL National Partnership Scholarships
News
Certified Laboratories
Certification Overview
List of Certified Laboratories
CCIL Logo Use Policy
Asphalt Certification
Aggregate Certification
Concrete Certification
Petrographic Certification
Correlation Testing
Alberta and Yukon Territory Correlation Test Instructions
BC, MB, NB, NL, NS, NT, PE and SK Correlation Test Instructions
Ontario and Quebec Correlation Test Instructions
National Concrete Testing Instructions
Corporate Membership
Corporate Membership Overview
Corporate Members
Associate Members
Apply for Membership
Apply for Corporate Membership
Apply for Associate Corporate Membership
CCIL Logo Use Policy
Contact
CCIL News
Gyratory Comp Lab Mix Instructions
March 30, 2026
