ASTM and ISO frequently update their test methods; must an EPA approved method be resubmitted to the EPA for approval if the modifications to the test methods (that are made by ASTM and ISO) are minor and have no significant impact on the accuracy and pre
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. All EPA approvals are specific not only to a given test method and laboratory, but also to a particular version of that test method. Thus, if ASTM or ISO released a revised version of a test method, any EPA…