E Ink?s chemical manufacturing operations are subject to the Clean Air Act?s National Emissions Standards for Hazardous Air Pollutants for chemical manufacturing, at 40 C.F.R. Part 63, Subpart VVVVVV (?Subpart 6V). The violations at issue include the failure to submit an initial notification pursuant to 6V in a timely manner, and the failure to submit a Notification of Compliance Status.