Two men in business attire, Shawn Lin (left) and Balaji Seshasayee (right), are shown over a water background. Text reads: PFAS Treatment Costs: Water, Wastewater, and Beyond. Geosyntec consultants.
Published On: February 11th, 2026

Shawn Lin and Balaji Seshasayee Coauthor Article on PFAS Treatment Costs

Ding-Hsiang (Shawn) Lin, PE, and Balaji Seshasayee, PE, coauthored “The Bottom Line: Accounting for the True Costs of PFAS Treatment in Water, Wastewater, and Beyond.”

The article was published in the February 2026 edition of Water Environment & Technology.

Shawn is a Project Engineer based in Georgia who focuses on remedial technology design and implementation, water and wastewater treatment system design and optimization, data analysis and visualization, reporting, and laboratory and field experimentation. Shawn is skilled in hydraulic modeling for leachate and groundwater extraction and for conveyance systems.

Balaji is a Principal Engineer based in California with more than 10 years of experience focused on groundwater treatment solutions for PFAS and other emerging contaminants, including technology evaluation, treatability testing, and treatment system design. He has experience in analyzing and designing fixed-bed absorbers, as well as other unit processes for water treatment.

Water Environment & Technology is the flagship monthly magazine of the Water Environment Federation (WEF) that covers topics in water quality and wastewater, including technologies, operations and maintenance, and regulations for water sector professionals.

WEF is a nonprofit that provides technical education and training for thousands of water quality professionals who clean water and return it safely to the environment.

More About Remediation of PFAS in Water and Wastewater

Read the article.
Learn more about Water Environment and Technology.
For more information on PFAS treatment costs and remediation more generally, contact Shawn at SLin@Geosyntec.com or Balaji at BSeshasayee@Geosyntec.com.
Learn more about Balaji: Balaji Seshasayee
Learn more about Shawn: Ding-Hsiang (Shawn) Lin