ASTM D8535
Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Soil/Biosolid Matrices by Solvent Extraction, Filtering, and Followed by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
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About This Item
ASTM D8535 is the standard test method for determining per- and polyfluoroalkyl substances (PFAS) in soil and biosolid matrices using solvent extraction, filtering, and liquid chromatography tandem mass spectrometry (LC/MS/MS). It provides a defined analytical approach for measuring PFAS in complex solid samples where consistent extraction and sensitive detection are important. By setting a common testing framework, this ASTM standard supports more reliable comparison of results across laboratories, projects, and quality control programs.
Purpose of ASTM D8535
The purpose of ASTM D8535 is to describe a test method for PFAS analysis in soil and biosolid matrices with a workflow that includes solvent extraction, filtration, and LC/MS/MS detection. This technical document is intended to help produce more consistent analytical results from challenging sample types that can contain interfering materials. For users responsible for environmental testing, method selection, or data review, it offers a structured basis for PFAS measurement under a recognized ASTM framework.
Common use cases of ASTM D8535
This standard is commonly used in laboratory testing programs that evaluate PFAS levels in soil and biosolid samples. It may support environmental investigations, site assessment work, and routine analytical workflows where solid matrices must be prepared, filtered, and analyzed by LC/MS/MS. ASTM D8535 is also relevant when organizations need a documented method for comparing results, supporting internal quality control, or aligning testing practices across different projects or laboratories.
Why ASTM D8535 matters
ASTM D8535 matters because PFAS testing in soil and biosolids can be technically demanding, and a clear method helps improve consistency and confidence in results. Using a recognized ASTM standard can support compliance efforts, procurement decisions, and laboratory quality systems by giving stakeholders a shared testing reference. It may also help reduce uncertainty when reviewing analytical data, since the method defines a common approach for extraction, filtration, and LC/MS/MS measurement.
- PFAS testing in soil and biosolid matrices
- Solvent extraction and filtration workflow
- LC/MS/MS-based analytical determination
- Consistency for laboratory and QA programs
- Support for environmental data review
- Publication Date: 2025-04-15
- Publisher: ASTM
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