The TC1 Test Method (D4857) can be obtained from ASTM headquarters by contacting:  
 
    Tracey Beckett
    Information Specialist
 
    Phone No.  610-832-9550
    Fax No.      610-832-9555
 
    E-mail:  infoctr@astm.org
 
 
    Information letters shown in this directory supplement the published test method.