ISO/TR 19686-1:2014 describes the evaluation executed by ISO in order to determine the equivalency of test methods used on a global scale in quality specifications of petroleum products, lubricants, and fuels. ISO/TR 19686-1:2014 focuses on whether the standardized test methods for determining atmospheric distillation characteristics are to be considered technically equivalent. This is to guide laboratories that use one standard and wish to know if they can also certify product towards the others.