Chlorinated solvent usage at a former printing facility in Orange County, California (Figure 1) contaminated the soil, soil vapor, and groundwater with tetrachloroethene (PCE) and trichloroethene (TCE).

Here's a May 23 remediation news roundup surrounding Superfund and brownfield sites from the U.S. EPA.

This request for input follows EPA’s September 2022 proposed rule to designate two PFAS as hazardous substances under CERCLA.

Not assuming use of PPE in its baseline exposure scenarios reflects EPA’s recognition that certain subpopulations of workers exist that may be highly exposed.

Inside E. coli bacteria, researchers have found an enzyme, C-P lyase, that enables the microbe to degrade highly stable chemicals.

The State has also asked the Court to void certain corporate transactions between DuPont and its affiliates designed to insulate DuPont from PFAS-related liabilities. 

The Toxics Release Inventory rulemaking petition would cover 400 incinerators nationwide. EPA has the legal authority to add incinerators to the TRI, but has not done so yet.

In a new report, EPA Inspector General says the agency lacks policies to protect scientific integrity from political interference.

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