ASTM D7858
Standard Test Method for Determination of Bisphenol A in Soil, Sludge, and Biosolids by Pressurized Fluid Extraction and Analyzed by Liquid Chromatography/Tandem Mass Spectrometry
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About This Item
ASTM D7858 is a targeted test method for measuring bisphenol A in soil, sludge, and biosolids using pressurized fluid extraction followed by liquid chromatography/tandem mass spectrometry. It is designed for laboratories that need a defined approach to sample preparation and instrumental analysis for this specific compound in complex environmental matrices. By outlining a structured method, ASTM D7858 supports more consistent testing, clearer reporting, and better comparability of results across routine monitoring and evaluation work.
Purpose of ASTM D7858
The purpose of this standard is to provide a reliable analytical framework for determining bisphenol A in solid environmental samples. It combines extraction under pressure with LC/MS/MS analysis, which is commonly used to isolate and identify trace compounds in difficult matrices such as soil, sludge, and biosolids. ASTM D7858 helps laboratories follow a consistent process for sample handling, extraction, and measurement, supporting technically sound data generation for environmental testing and related quality programs.
Common use cases of ASTM D7858
This standard is commonly used in environmental laboratories that analyze soil, sludge, or biosolids for bisphenol A. It may be applied during monitoring programs, site investigations, treatment evaluations, or other testing workflows where a consistent analytical method is needed. ASTM D7858 is also useful when laboratories need to document a recognized procedure for pressurized fluid extraction and tandem mass spectrometric analysis, especially in settings where repeatable sample preparation and instrument-based confirmation are important.
Why ASTM D7858 matters
ASTM D7858 matters because it gives users a clear technical basis for testing a specific chemical in challenging solid matrices. That consistency can support compliance activities, internal quality control, procurement decisions, and method comparison across laboratories. For organizations that depend on dependable environmental data, the standard helps reduce ambiguity in how samples are prepared and analyzed. It also supports more defensible results when bisphenol A measurements are used in reporting, verification, or decision-making.
- Bisphenol A analysis in solid environmental samples
- Pressurized fluid extraction workflow
- LC/MS/MS-based measurement approach
- Applicable to soil, sludge, and biosolids
- Useful for consistent laboratory testing
- Publication Date: 2018-09-11
- Publisher: ASTM
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