This Standard sets out the method for determining the air content of freshly mixed concrete using the volumetric method.This Standard is suitable for concrete made with any type of aggregate, whether it be dense, cellular or lightweight.NOTES: 1 This Standard may involve hazardous materials, operations, and equipment. The Standard does not purport to address all of the safety problems associated with its use. The user of this Standard should establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2 Data on the precision of the test method were not available at the time of publication. This information will be included when available.