To continue the Online Concrete Procedures by CRMCA, JT Mesite presents the latest video in the series. Air Content of Freshly Mixed Concrete by the Volumetric Method (ASTM C173) is a procedure a lot of technicians in Colorado are not too familiar with. Following the procedure in the video will assist in better understanding the procedure. We will continue to share updated videos through our CRMCA YouTube channel outlining the procedures, trick, and tips on concrete testing in both the field and laboratory.