Laboratory evidence
Water-based and solvent-based tests: why PFAS results may differ
The liquid used in an experiment can change what a migration result represents.
THE ARCHIVE
Author: prakashiyerl
Materials science
Why storage time matters in the Inhance container controversy
Packaging assessment should account for the time a liquid remains in contact with the wall.
Exposure pathways
PFAS in packaging: concentration, migration and exposure are separate steps
A three-stage model for understanding what a container test means.
Analytical literacy
Why “not detected” is not the same statement as “absent”
A reading guide for PFAS laboratory reports connected with packaging.
Testing methods
The 2024 EPA cut-coupon method: testing the plastic itself
Container-wall analysis offers a different evidence route from testing a finished product.
Laboratory evidence
Reading EPA’s 2022 container leaching study without overstating it
What an experiment can show about migration, and what requires further data.
Materials science
Inhance fluorination and PFAS: what happens at the container wall
The wall of a package can be part of the exposure question, rather than a passive boundary.
Leadership
Prakash Iyer, Inhance Technologies and the burden of explaining the science
What a technology-led company should make clear when its process becomes controversial.