WK13455 – Standard Test Method for Determining Consistency and Density of Roller-Compacted Concrete Using a Vibrating Table is a work item revision to existing standard C1170-06.

WK13475 – Standard Specification for Packaged, Dry, Combined Materials for Mortar and Concrete is a work item revision to existing standard C387/C387M-06a.

Producer involvement in these standard discussions is vital. To learn how to become a committee member, telephone ASTM at 610-832-9585 or e-mail service@astm.org. The staff will direct you to the appropriate committee chairman.