Limits of detection determined as the concentrations corresponding to three times the SD of the responses in chemical blanks were 0.5 ng/mL for PFHxS and PFOS, and 0.4 ng/mL for PFOA. Coefficients of ...
The U.S. Environmental Protection Agency (EPA) released its Draft Sewage Sludge Risk Assessment on January 14, 2025, for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS). The ...
The draft risk assessment's findings show that human health risks may be associated with exposure to the “forever chemicals” PFOA or PFOS in all three methods of using or disposing of sewage sludge: ...
This draft risk assessment evaluates potential human health risks associated with PFOA and PFOS in biosolids ... associated with exposure to these chemical via all three methods of use or disposal ...