Superfund

,

Enforcement of Two PFAS Chemicals under Superfund Now in Effect

,
Enforcement of Two PFAS Chemicals under Superfund Now in Effect

The enforcement date is now active for the two PFAS chemicals designated as hazardous substances by the U.S. Environmental Protection Agency (EPA) under Superfund (CERCLA/SARA). Enforcement went into effect on July 8, 2024, following the EPA’s final rule announcement in April that perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic (PFOS) are hazardous substances.

, , ,

EPA Issues Guidance for PFAS Groundwater Contamination with Draft Interim Recommendations

, , ,
EPA Issues Guidance for PFAS Groundwater Contamination with Draft Interim Recommendations

The U.S. EPA has released draft recommendations for addressing groundwater contaminated with PFAS. The draft guidance specifically addresses perfluoroctanoic acid (PFOA) and perfluoroctane sulfonate (PFOS) at contaminated sites falling under federal cleanup programs. 

,

Michigan’s Superfund Legislative Report Published

,
Michigan’s Superfund Legislative Report Published


The State of Michigan published its annual Superfund report summarizing hazardous substance cleanups of the 65 Michigan sites that are funded by CERCLA (Superfund). No new Michigan sites were added to the Superfund list in FY 2017. According to the MDEQ’s Remediation and Redevelopment Division, 10 of the state’s Superfund sites were in the operation and maintenance phase.  

, , , ,

The Latest ATSDR Substance Priority List of Chemicals and Elements Posing the Most Significant Risk at NPL sites

, , , ,
The Latest ATSDR Substance Priority List of Chemicals and Elements Posing the Most Significant Risk at NPL sites

The rankings are out and three metals top the chart: arsenic, lead, and mercury. The Agency for Toxic Substances and Disease Registry (ATSDR) has released its 2017 list of substances at EPA-managed contamination sites posing the most significant risk to human health.  A total of 275 substances are listed on the entire ATSDR 2017 Substance Priority list.  Here are the Top 50 substances listed.