UNITED STATES DEPARTMENT OF AGRICULTURE 
DEPARTMENT BULLETIN No. 1216 
Washington, D.C. T May, 1924 
TENTATIVE STANDARD METHODS OF SAMPLING 
AND TESTING HIGHWAY MATERIALS 
Adopted by the 
AMERICAN ASSOCIATION OF STATE HIGHWAY OFFICIALS 
And Approved by the 
SECRETARY OF AGRICULTURE 
For Use in Connection With Federal-Aid Road Construction 
CONTENTS 
Methods of Sampling and Testing Nonbituminous Highway Materials 2 
Methods of Sampling and Testing Bituminous Highway Materials .1 43 
Methods of Sampling and Testing Drain Tile and Culvert Pipe 78 
Methods of Sampling and Testing Metallic Materials 84 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1924 
