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Document Designation and Title Year Select Item(s) C426 Standard Test Method for Linear Drying Shrinkage of Concrete Masonry Units 07 C426 Standard Test Method for Linear Drying Shrinkage of Concrete Masonry Units 06 C426 Standard Test Method for Linear Drying Shrinkage of Concrete Masonry Units 05 C426 Standard Test Method for Linear Drying Shrinkage of Concrete Masonry Units 99