Recently both the US EPA and California ARB adopted new PM emissions standards for light duty vehicles starting in model year 2017. As part of the implementation of these new standards EPA has made regulatory revisions to update the test methods. Various portions of this test method are located in different places in Code of Federal Regulations (CFR), Title 40, Parts 86, 1065 & 1066. This standard will group this text into once location, improve wording and flow, and facilitate an Inter-Laboratory Study.
The title and scope are in draft form and are under development within this ASTM Committee.