SPECIFICATIONS, TESTS, REPORTS, AND 



METHODS OF SAMPLING FOR 



As recommended by the 



FIRST CONFERENCE OF STATE HIGHWAY TESTING ENGINEERS 

 AND CHEMISTS 



Washington, D. C, February 12 to 17, 1917 



CONTENTS 



Introduction 1 



Forms of Specifications for Materials . . 5 

 Methods of Testing Materials 30 



Forms for Reporting Test Results 

 Standard Methods of Sampling . 

 Index .... . . . . 



Page 

 . . 38 

 . . 45 

 . . 53 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1917 



