UNITED STATES DEPARTMENT OF AGRICULTURE 
DEPARTMENT BULLETIN No. 1216 
Washington, D. C. 
Issued May, 1924 
Revised September, 1928 
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 including all revisions adopted prior to August 1, 1928 
INTRODUCTION 
Since the publication of United States Department of Agriculture 
Bulletin No. 1216 in May. 19^4. a number of revisions in the official 
methods of testing of the American Association of State Highway 
Officials have been adopted by the association upon recommendation 
of the subcommittee on tests and investigations (now the committee 
on materials.) 1 All of these revisions have been incorporated in 
the methods of tests as herein given. 
In the preparation of its standard methods of testing, the asso- 
ciation, whenever possible, has adopted without change existing 
American Society for Testing Materials standard or tentative stand- 
ard methods. Whenever this has been done the fact has been so 
indicated in the present bulletin by placing the reference to the 
American Society for Testing Materials method immediately fol- 
lowing the title, Where the official method of the association is 
1 The personnel of the committee on materials is as follows : H. S. Mattimore, State 
Highway Department. Pennsylvania, Chairman; F. H. Jackson, U. S. Bureau of Public 
Roads, Washington. 1). ('.. Secretary; .1. H. Bateman. State Highway Commission, Louisi- 
ana; W. L. Blaum. Department of Public Works, New York: A. V. Bratt, Department of 
Public Works. Massachusetts : Shreve Clark, State Highway Commission, Virginia ; R. W. 
Crum, State Highway Commission. Iowa ; R. B. Dayton, State Road Commission, West 
Virginia ; W. J. Emmons, Department of Highways, Michigan : N. M. Finkbiner, State 
Highway Commission. Oregon ; F. G. Flood. State Highway Commission. Connecticut : 
R. B. Gage, State Highway Commission, New Jersey ; V. L. Glover, Department of Public 
Works. Illinois : Harvey A. Hall. State Road Department. Florida ; Raymond Harsch, De- 
partment of Public Works, Idaho ; C. A. Hogentogler. U. S. Bureau of Public Reads, 
Washington, D. C. ; John V. Keily. State Board of Public Roads, Rhode Island : E. D. 
Kivett. State Highway Commission, North Carolina; F. C. Lang, Department of Highways. 
Minnesota : E. T. Maddock. State Highway Commission. California ; D. D. McGuire, De- 
partment of Highways and Public Works. Tennessee; C. L. McKesson. State Highway 
Commission, California: II. M. Milburn. U. S. Bureau of Public Roads. Washington, D. C. ; 
Levi Muir. jr.. State Road Commission, Utah ; J. E. Myers, Department of Public Works. 
New York : W. A. Norris, State Highway Department. Wyoming : W. F. Purrinuton, State 
Highway Department, New Hampshire: A. S. Rea. Department of Highways and Public 
Works, Ohio; F. V. Reagel. State Highway Commission. Missouri: C. II. Scholer, State 
Highway Commission, Kansas; M. H. Ulman, State Highway Department. Pennsylvania. 
104022°— 28- 
