Sheri Heldstab

Sheri Heldstab is the QA/QC Officer and Technical Director at Chester LabNet. For the past 26 years, she has worked for Chester LabNet as an analyst and manager, performing inorganic air quality analyses. Over those years, she developed or modified many methods to meet the needs of her clients. She has been a member of ACS since 1998, formally joined TNI as a member in 2017, and currently sits on the SSAS Expert Committee. She graduated from University of Oregon prior to the advent of degrees in Molecular Biology or Biochemistry, and has a Bachelor’s degree in Biology with a minor in Chemistry.

Contact Information:; 503.624.2183