Richard Leasure
YST EPP/GAP Coordinator
email:  ysteppgap4@hotmail.com

Jessica Little

YST EPP/Water Quality Coordinator email:  

yst_watertech@hotmail.com

Danielle Zephier
YST EPP/Tribal Response Program 128(a)/Brownfields Coordinator
email:  yst_gap_tech@hotmail.com

Bryan Heth
YST Utilities Manager
email:  ystutilities@yahoo.com

Sheldon Powers
YST Solid Waste Technician

PHONE:  (605) 384-5012
FAX:       (605) 384-5006