US EPA expands mandatory reporting by adding PFHxS to Toxics Release Inventory with strict 100-pound threshold – iEnvironmental Australia

A reporting threshold of just 45 kg for a single chemical variant is rare in industrial compliance. The US EPA has mandated this level for the sodium salt of PFHxS under its Toxics Release Inventory. For context, standard industrial chemicals typically trigger reporting at 11,340

Why this matters: A reporting threshold of just 45 kg for a single chemical variant is rare in industrial compliance.

This Enviro News summary was prepared by iEnvi to capture the practical relevance of the source update for contaminated land, groundwater, remediation, approvals and site risk.

Source details

Original source: Ienvi
Source published: 23 Mar 2026 · 8:26 AM
Added to Enviro News: 23 Mar 2026 · 8:26 AM

Read the primary source article

View the iEnvi LinkedIn post

For environmental services and solutions, speak to an expert at hello@ienvi.com.au or 1300 043 684, or contact us.

Need advice on this issue? iEnvi provides practical, senior-led environmental consulting across contaminated land, remediation, ecology and environmental risk.

Contaminated land services Remediation services Groundwater services Talk to iEnvi