This document provides authoritative, accurate information about the quality of ready mixed concrete to specifiers and users in the construction industry – architects, engineers, contractors, builders, government agencies, etc.  The RMCAO publication, “Seals of Quality”, details the requirements of the Association for demonstrating to the customer the quality of concrete from a member plant.

• Seals of Quality Concrete List as of Jan 27 20
• Seal of Quality Concrete Audit and Check List
• Concrete Ontario Statistical Analysis Spreadsheet