ASTM D 4483 - 05a Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries

American Society for Testing and Materials (ASTM). Current edition approved Dec. 1, 2005. Published January 2006. Originally
approved in 1985. Last previous edition approved in 2005 as D 4483 – 05. This practice covers guidelines for evaluating precision
and serves as the governing practice for interlaboratory test programs (ITP) used to evaluate precision for test methods as
used in the rubber manufacturing and the carbon black industries.