1.1 This test method explains determination of the density (Note 1) of freshly mixed Controlled Low-Strength Material (CLSM) and gives formulas for calculating the yield, cement content, and the air content of the CLSM. This test method is based on Test Method C 138 for Concrete. Note 1- Unit Weight was the previous terminology used to describe the property determined by this test method, which is mass per unit volume.1.2 All observed and calculated values shall conform to