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Updated: Oct 10, 2025

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Published on: September 28, 2022

Per- and Polyfluoroalkyl Substances (PFAS) in Integrated Crop-Livestock Systems: Environmental Exposure and Human

Gaurav Jha¹, Vanaja Kankarla², Everald McLennon³

¹Department of Land, Air and Water Resources, University of California, Davis, CA 95616, USA.

International Journal of Environmental Research and Public Health

|December 10, 2021

Summary

Per- and polyfluoroalkyl substances (PFAS) contaminate integrated crop-livestock systems, posing risks to human health through food and water. This review examines PFAS sources, impacts, and risk assessment strategies in these agricultural environments.

Keywords:

chronic kidney disease environmental justice exposure pathway foaming agent forever chemicals groundwater contaminants livestock contaminations remediation renal dysfunction

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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

Area of Science:

Environmental Science
Toxicology
Agricultural Science

Background:

Per- and polyfluoroalkyl substances (PFAS) are persistent organic contaminants linked to severe health issues.
Integrated crop-livestock systems are vulnerable to PFAS contamination from sources like firefighting foam and sludge.
PFAS mobility in soil and water poses risks to crop and livestock production, impacting human health.

Purpose of the Study:

To review the sources, impacts, and challenges of PFAS in integrated crop-livestock systems.
To outline safety protocols for sampling soil, water, and plants for PFAS analysis.
To evaluate human health risks associated with PFAS exposure in these systems.

Main Methods:

Systematic literature review of PFAS in agricultural systems.
Analysis of PFAS sources, environmental fate, and toxicological impacts.
Examination of current risk assessment methodologies and sampling protocols.

Main Results:

PFAS contamination is prevalent in crop-livestock systems via soil, water, and industrial inputs.
Documented presence of PFAS in groundwater and milk in key dairy-producing regions.
Lack of established regional screening guidelines for livestock water and agricultural matrices.

Conclusions:

Integrated crop-livestock systems face significant PFAS contamination challenges.
Standardized sampling and risk assessment protocols are crucial for managing PFAS exposure.
Further research is needed to protect human health from PFAS in the food chain.