ASTM D7574: Bisphenol A Water LC MS MS Testing Services
Accredited ASTM D7574 bisphenol a water LC MS MS testing from Infinita Lab, performed to the exact standard requirements - accurate, reproducible results with full documentation for compliance, R&D, and quality control programs.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM D7574 Bisphenol A Water LC MS MS?
ASTM D7574-23, “Standard Test Method for Determination of Bisphenol A in Environmental Waters by Liquid Chromatography/Tandem Mass Spectrometry,” is the current active edition. ASTM Committee D19 on Water and Environmental Technology maintains it, and it covers identifying and quantifying bisphenol A (BPA) in aqueous environmental samples. The workflow runs in three stages. First, solid-phase extraction (SPE) isolates and concentrates BPA from the water matrix. Then liquid chromatography (LC) separates the analyte from co-extracted interferences. Finally, tandem mass spectrometric (MS/MS) detection, run in multiple reaction monitoring (MRM) mode, confirms identity and measures concentration. Pair chromatographic separation with MS/MS selectivity, and you get both qualitative confirmation and quantitative results from a single run. That combination is what makes the method valuable for trace-level organic contaminant testing.
Validated scope covers surface water, plus secondary and tertiary effluent from publicly owned treatment works (POTW). It hasn’t been validated for saltwater or solid/sediment matrices, so laboratories keep it within these aqueous environmental contexts. Detection limits and reporting ranges come from documented calibration and statistical procedures, which give laboratories a defensible, standardized basis for reporting low-level BPA concentrations. BPA shows up widely in polycarbonate plastics and epoxy resins, and it reaches waterways through pathways such as landfill leachate and wastewater treatment plant discharge. Because of that, D7574 gives environmental and regulatory testing programs a nationally recognized, repeatable method for tracking the compound across the water environment. It supports consistent, comparable data across laboratories and across successive editions of the standard since its original publication.
Applications and Benefits of ASTM D7574 Bisphenol A Water LC MS MS Testing
Scope
ASTM D7574 evaluates:
- Lays out a validated procedure for identifying and quantifying bisphenol A (BPA) in environmental water matrices, both qualitatively and quantitatively.
- Solid-phase extraction (SPE) is the required technique for isolating and concentrating BPA from aqueous samples before instrumental analysis.
- Liquid chromatographic separation conditions resolve BPA from co-extracted matrix compounds ahead of detection.
- Detection runs by tandem mass spectrometry (MS/MS) in multiple reaction monitoring (MRM) mode for selective, sensitive confirmation of the analyte.
- Surface water counts as a validated matrix: rivers, lakes, streams.
- Also applies to secondary and tertiary publicly owned treatment works (POTW) effluent.
- Saltwater and solid or sediment matrices are excluded; they sit outside the method’s currently validated scope.
- Calibration standards, internal standard use, and quality control criteria get guidance here, supporting defensible, reproducible results.
- Method detection limits (MDLs) and reporting ranges are determined through recognized statistical approaches.
- Jurisdiction sits with ASTM Committee D19 on Water and Environmental Technology, part of broader water-testing standardization efforts.
Applications
- Environmental monitoring programs track BPA contamination in surface waters and receiving streams.
- Wastewater treatment plants use it to check BPA levels in secondary and tertiary discharge.
- Endocrine-disrupting compound (EDC) screening studies look at BPA occurrence in aquatic environments.
- Regulatory and permit-related water quality programs need a standardized analytical methodology, and this fits.
- Researchers examine BPA sources, fate, and occurrence in environmental water systems.
- Site assessments near facilities tied to polycarbonate plastics or epoxy resin use, or near landfill leachate pathways.
- Exposure and risk-assessment studies tied to aquatic ecosystems and wildlife draw on it too.
Benefits
- Trace-level sensitivity means low concentrations of BPA in environmental waters don’t slip past detection.
- SPE, LC, and MS/MS work together for high selectivity, cutting interference from complex water matrices.
- One analytical procedure yields both qualitative confirmation and quantitative concentration data.
- Multiple reaction monitoring adds confidence to analyte identification and cuts down false positives.
- It’s a nationally recognized, standardized methodology, which helps with data defensibility and comparing results across labs.
- Decision-making around environmental monitoring, compliance, and research gets easier with this kind of data.
Our ASTM D7574 Testing Procedure
Sample pH Adjustment & SPE
The sample is adjusted to pH 2 and passed through a SPE cartridge to isolate BPA.
1Solvent Extraction
BPA is extracted using methyl tert-butyl ether.
2Solvent Exchange & Volume Adjustment
The extract is exchanged into methanol, concentrated, and the final volume adjusted.
3Instrumental Analysis & Identification
LC-MS/MS analysis of the sample identifies BPA.
4ASTM D7574 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Applicable Samples | Water samples |
| Sample Volume | 250 mL |
| Extraction pH | 2 |
| Final Extract Volume | 1 mL |
| Solvent Used | Methyl tert-butyl ether, methanol |
| Detection Technique | LC-MS/MS |
- Liquid Chromatograph (LC) – Separates BPA from co-extracted matrix compounds before mass spectrometric detection.
- Tandem Mass Spectrometer (MS/MS) – Delivers selective, sensitive detection and quantification through multiple reaction monitoring.
- Solid Phase Extraction (SPE) System – Isolates and concentrates BPA from aqueous sample matrices ahead of instrumental analysis.
- Analytical Balance – Used for accurate preparation of calibration standards, reagents, and reference materials.
- Nitrogen Evaporator/Concentrator – Brings extract volume down to what’s needed for instrumental analysis.
- Autosampler – Keeps sample introduction consistent and reproducible across analytical batches.
- Certified Reference Standards – Generate calibration curves and verify ongoing method performance and quality control.
Equipment and Instrumentation Used for ASTM D7574 Testing
What You Receive: Test Report, Data, and Certification
- Quantitative BPA concentration results, one per submitted water sample.
- MDL and reporting limit documentation tied to the analytical batch.
- A quality control summary: method blank, spike, and surrogate recovery data included.
- Chain-of-custody records, so sample traceability holds from collection through reporting.
- A full laboratory report, formatted for regulatory submission, internal review, or client files.
- Technical consultation to help interpret results and what they mean for compliance or monitoring.
ASTM D7574 Bisphenol A Water LC MS MS FAQs
ASTM D7574 determines Bisphenol A (BPA) qualitatively and quantitatively in environmental water samples. The method uses solid-phase extraction (SPE), followed by liquid chromatography and tandem mass spectrometry (LC-MS/MS) with multiple reaction monitoring (MRM).
ASTM D7574 has been investigated for surface water and secondary and tertiary wastewater treatment effluents. The method has not been investigated for saltwater or solid sample matrices, so applicability should be confirmed for samples outside the validated scope.
Water samples undergo solid-phase extraction to isolate BPA, followed by separation using liquid chromatography. BPA is then identified and quantified using tandem mass spectrometry (MS/MS) with multiple reaction monitoring.
ASTM D7574 specifies a method detection limit (MDL) and reporting limit (RL) for BPA. The applicable detection and reporting levels should be confirmed from the current method and laboratory validation data before testing, particularly for trace-level environmental monitoring.
BPA can enter environmental waters through sources such as industrial discharges, wastewater treatment effluents, landfill leachate, and degradation of polycarbonate plastics and epoxy resins. ASTM D7574 provides a sensitive LC-MS/MS approach for monitoring BPA in applicable water matrices and supporting environmental assessment and compliance programs.
Why Choose Infinita Lab for Bisphenol A Water LC MS MS Testing
When your Bisphenol A Water LC MS MS results have to hold up - for compliance, a customer audit, or an engineering decision - ASTM D7574 accuracy and an unbiased third-party report matter more than price. Infinita Lab routes your ASTM D7574 bisphenol a water LC MS MS testing to ISO/IEC 17025-accredited U.S. partner labs with hands-on method experience, so you get defensible data, transparent reporting, and turnaround times built around your project deadline - not ours.
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