ASTM D7979
Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances in Water, Sludge, Influent, Effluent, and Wastewater by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
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About This Item
ASTM D7979 is a laboratory test method for determining per- and polyfluoroalkyl substances in water, sludge, influent, effluent, and wastewater by liquid chromatography tandem mass spectrometry (LC/MS/MS). It is designed to support consistent analytical measurement of PFAS across environmental and treatment-related matrices. For organizations that need dependable data for monitoring, comparison, or documentation, this standard helps define a structured approach to testing and reporting.
What is ASTM D7979?
ASTM D7979 is an ASTM standard that describes a test method for measuring PFAS in a range of water-related samples using LC/MS/MS. Its technical focus is on analytical determination, not on treatment or remediation. The standard is relevant to laboratories and technical teams that need a documented method for handling complex matrices such as sludge, influent, effluent, and wastewater. As a formal standard, ASTM D7979 helps establish a common basis for test execution and result consistency.
Where is ASTM D7979 used?
This standard is commonly used in environmental and water testing workflows where PFAS analysis may be needed in liquid or semi-solid samples. It is suitable for laboratories supporting wastewater systems, treatment facilities, and related monitoring programs that require LC/MS/MS-based measurement. ASTM D7979 may also be useful for quality control activities, comparative testing, and technical review of samples collected from influent, effluent, or sludge streams. Its scope makes it practical for lab-driven compliance and assessment work.
Why is ASTM D7979 important?
ASTM D7979 matters because PFAS measurement often requires a clear and repeatable laboratory method for reliable decision-making. Using a recognized standard can improve consistency across testing programs, support procurement and contract requirements, and reduce uncertainty in reported results. It may also help teams compare data from different sample types more confidently. For organizations managing environmental testing responsibilities, ASTM D7979 provides an important technical reference for controlled, traceable analysis.
- PFAS determination by LC/MS/MS
- Water, sludge, influent, effluent, and wastewater
- Laboratory-based analytical testing
- Supports consistency and comparability
- Relevant for monitoring and quality control
- Publication Date: 2020-09-03
- Publisher: ASTM
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