Abstract
This data article includes details on the simple and efficient analytical methods used to measure perfluoroalkyl substances (PFASs) in water, soil, and produce from home gardens in Minnesota. PFASs in water were analyzed via direct injection. PFASs were extracted from homogenized soil using sonication, and from produce using dispersive solid phase extraction. Isotope dilution was used for quantitation in all methods. The method performance parameters and quality control measures are described. The methods described are applicable for a PFAS ranging from C4-C8 and the produce method was used on a wide variety of produce. For further details and experimental findings, please refer to the article “Occurrence of perfluoroalkyl substances (PFAS) in garden produce at homes with a history of PFAS-contaminated drinking water” The key benefits of this method are:•This method adapts dispersive solid phase extraction for the analysis of PFAS in produce.•The method can be used to analyze PFAS ranging from 4 to 8 carbons in a variety of produce types.
Highlights
All quality control samples except the calibration verification and report limit verification standards were treated like unknown samples
The relative percent difference (RPD) between the measured value and the value determined during method validation was calculated for all analytes within the calibration range and used in place of percent recovery
Matrix spikes (MS), aliquots of unknown samples that were spiked with a known amount of the analytes, were run in each method
Summary
This method adapts dispersive solid phase extraction for the analysis of PFAS in produce. The method can be used to analyze PFAS ranging from 4 to 8 carbons in a variety of produce types. Collection of water, soil, and produce samples is described elsewhere [1].
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