Atmospheric Release of BPA
Water contamination by endocrine and hormone-disrupting chemicals threatens global water conditions. It poses significant risks to both ecosystems and human health. Numerous studies prove that harmful concentrations of BPA leach into waterways from pollution. This pollution stems from various sources, including industrial discharge, packaging materials, and agricultural runoff. These pollutants degrade water quality and disrupt the reproductive and developmental processes of aquatic life. However, little is known about how atmospheric releases of BPA affect water quality. As BPA evaporates and subsequently falls back to Earth through precipitation, its impact on surface water and groundwater systems remains largely understudied. This highlights an urgent need for comprehensive research to fully understand the implications of atmospheric deposition on aquatic environments.
Currently, researchers at the University of Missouri and the U.S. Geological Survey have assessed water quality near industrial sites and wastewater treatment plants. Consequently, they have discovered that atmospheric releases create a significant concern for environmental, animal, and human health. This is due to BPA in the atmosphere.
Research Team
Chris Kassotis and his team found that atmospheric releases of BPA may create a concern for contamination of local surface water. This poses risks that extend beyond the immediate environment. This contamination can significantly affect aquatic ecosystems, leading to detrimental effects on both flora and fauna. As a result, human and wildlife exposure is heightened. This raises serious public health concerns that warrant further investigation and proactive measures. We need to safeguard both wildlife habitats and human communities living in proximity to these affected waters. It’s imperative that we address this issue comprehensively. We must consider both the ecological impact and the potential long-term consequences for health and biodiversity.
Here’s the press release of the Atmospheric Release of BPA Study
COLUMBIA, Mo. – Water contamination from hormone-disrupting pollutants remains a global issue. Research indicates harmful levels of Bisphenol-A (BPA) enter rivers and streams. This occurs through municipal and industrial wastewater. Researchers from the University of Missouri and the U.S. Geological Survey (USGS) study water quality in Missouri. They focus on areas near industrial sites that release BPA into the air. They now suspect that these atmospheric releases contaminate local surface water. This situation affects both humans and wildlife through BPA in the atmosphere.
“There is growing concern that hormone disruptors such as BPA not only threaten wildlife, but also humans,” said Chris Kassotis, a doctoral candidate in the Division of Biological Sciences in the College of Arts and Science at MU. “Recent studies have documented widespread atmospheric releases of BPA from industrial sources across the United States. The results from our study provide evidence that these atmospheric discharges can dramatically elevate BPA in nearby environments, potentially leading to serious health implications for both humans and ecosystems. As communities become increasingly aware of the presence of such harmful chemicals in their air and water, the urgency for comprehensive regulatory measures becomes clear. Understanding the full extent of BPA’s impact on wildlife and human health is crucial in guiding effective policy decisions and ensuring a safer, healthier future for all living organisms.”
Water Samples
Water sampling sites were selected based on their proximity to the Superfund National Priorities List (NPL) or locations with reported atmospheric discharges of BPA. These were identified by the Environmental Protection Agency. Furthermore, current or historical municipal wastewater treatment sites contribute hormonally active chemicals to surface water. This situation arises from urban or industrial sources. Additionally, researchers chose relatively clean sites to serve as the control group.
Scientists analyzed the water for BPA concentrations, Ethinyl estradiol (EE2), and various wastewater compounds. They also measured total estrogen and receptor activities. This method assesses all chemicals that can bind to and activate, or inhibit, estrogen or androgen receptors in wildlife and humans. Notably, the levels of chemicals peaked in samples with documented discharges from wastewater treatment plants. This indicates atmospheric release of BPA and its environmental impacts.
BPA Concentrations in Water
“In addition, we were surprised to discover that BPA concentrations reached up to ten times higher in the water surrounding known atmospheric release sites,” stated Don Tillitt, adjunct professor of biological sciences at MU and biochemistry and physiology branch chief with the USGS Columbia Environmental Research Center. “This finding clearly indicates that atmospheric BPA releases could potentially contaminate local surface water, thereby increasing the exposure risk for both humans and wildlife.”
Researchers measured concentrations of BPA in surface water near these sites, finding levels that significantly surpass those linked to adverse health effects in aquatic species, Kassotis noted. This alarming revelation raises serious concerns about the potential long-term impacts on local ecosystems. These toxic chemicals not only disrupt the endocrine systems of fish and other aquatic organisms but also lead to population declines. Moreover, these elevated BPA concentrations signify broader pollution issues. These issues could ultimately impact human health through the food chain. Thus, there is an urgent need for regulatory action and ongoing monitoring to mitigate these risks for both wildlife and communities relying on these water sources. In particular, the atmospheric release of BPA may worsen pollution issues.
The study, “Characterization of Missouri surface waters near point sources of pollution,” reveals a potential new way to expose bisphenol A. It highlights the hormonal activity pattern of wastewater. This research appears in the journal Science of the Total Environment. The University of Missouri funded the study. The U.S. Geological Survey Contaminants Biology Program contributed as well. They belong to the Environmental Health Mission Area. The U.S. Environmental Protection Agency provided support through STAR Fellowship Assistance Agreement no. FP-91747101. Finally, the authors express their views and those of the U.S. Geological Survey. However, these views do not represent those of the U.S. Environmental Protection Agency. Any mention of trade, firm, or product names serves descriptive purposes only. Furthermore, it does not imply endorsement by the U.S. Government.
Source: (formerly the MU News Bureau)
Division of Marketing & Communications University of Missouri, http://munews.missouri.edu
http://munews.missouri.edu/news-releases/2015/0518-atmospheric-release-of-bpa-may-reach-nearby-waterways
