Sheri Heldstab

Sheri Heldstab

Sheri graduated from University of Oregon with a Bachelor’s in what would later become Molecular Biology and Biochemistry. She had a 32 year career in the environmental testing and analysis field – 28 of those years spent in the field of air and emissions monitoring. Prior to her retirement, she was an analyst, Technical Director, and Quality Assurance Officer. As a member of ASTM Committee D22.03, she was the Technical Contact for the major revision of the ASTM method for hexavalent chromium in ambient air (D7614). She is currently the Chair of the TNI Stationary Source Audit Sample Committee and the current Editor of the Source Evaluation Society’s newsletter, “The Platform”.

Contact Information: [email protected]; 503.313.2191