Skip to content

Contacts for Ultra Low Sulfur Diesel (ULSD)

  • Heather Valdez
  • Environmental Engineer
  • EPA Region 10, Office of Air, Waste and Toxics
  • 1200 6th Ave, Suite 900, AWT-107
  • Seattle WA, 98101
  • Phone: 206-553-6220

If you have questions regarding ULSD and DEC's role, please contact:

For questions regarding stationary source rules and ULSD use, please contact: