本参考规范涵盖了测试机构对交付至项目的预拌混凝土进行现场和实验室测试的要求。它适用于规范制定者、建筑师、工程师、业主和其他对监控项目施工中使用的混凝土质量感兴趣的团体。通过在合同中引用，本参考规范可适用于任何施工项目。规定者根据需要通过在合同中规定个别项目要求来补充本参考规范的规定。

This Reference Specification covers Testing Agency requirements for field and laboratory testing of ready mixed concrete delivered to the project. It is intended for use by specifiers, Architects, Engineers, Owners, and other groups interested in monitoring the quality of concrete used in project construction. This Reference Specification can be made applicable to any construction project by citing it in a Contract. The specifier supplements the provisions of this Reference Specification as needed by specifying individual project requirements in the Contract.