BioLargo’s PFAS water treatment technology meets EPA’s proposed drinking water standards
(UI) — BioLargo, Inc., a developer of sustainable cleantech technologies and full-service environmental engineering company, announced that its PFAS treatment system, the Aqueous Electrostatic Concentrator (AEC), is capable of treating water to below the EPA’s newly proposed drinking water standards for PFAS.
On March 14, 2023, the Biden-Harris administration announced in a press release that it is proposing long-anticipated national drinking water standards for six PFAS chemicals: PFOA, PFOS, PFNA, PFHxS, PFBS, and GenX.
The new rule proposes limits of four parts per trillion for the two most common and widespread PFAS chemicals: PFOA and PFOS. For the other four, they will have a combined, calculated limit weighted by their respective health risks.
This move by the EPA, in concert with its September 2023 proposal to designate PFOA and PFOA as CERCLA hazardous substances, is one of the most substantial acts by the Federal Government thus far to regulate PFAS. If finalized after a public comment period, the proposed regulation will require that public water utilities monitor PFAS in their water, notify the public if limits are exceeded, and treat their water to reduce PFAS contamination if it exceeds these limits.
BioLargo’s PFAS treatment technology, the Aqueous Electrostatic Concentrator (AEC), has been proven in multiple case studies, conducted with PFAS-contaminated water provided by municipalities across the U.S., to reduce each of the six PFAS chemicals targeted by the EPA’s new drinking water standards to below their respective limits of detection, meeting the EPA’s proposed limits. These studies have proven the AEC’s ability to remove all PFAS chemicals monitored in the current testing methods.
Randall Moore, President of BioLargo’s engineering subsidiary, said, “It is especially notable that our AEC technology can reduce the presence of PFBA and PFBS to below their detection limit because existing water treatment solutions like carbon-filtration and ion exchange tend to struggle to remove these. Because of their small size and low polarity, they tend to slip right through carbon and other media-based technologies.”
BioLargo’s President and CEO Dennis P. Calvert commented, “For BioLargo, the timing of this news is perfect. Assuming these regulations go into effect as written, many municipalities will soon be required to install PFAS treatment systems. Our system is the practical, affordable, sustainable solution for all PFAS treatment, generating far less PFAS-laden solid waste than other options.”
He continued, “With our first customer for PFAS treatment already secured and underway - a large industrial site - we are eager to offer our PFAS solution to more municipal and industrial customers over the coming year.”
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