PFAS Testing Labs: Methods, Standards, and Connecting with Contract Laboratories

From environmental surveillance to consumer safety, learn how specialized laboratories and contract services are crucial in managing the risks of persistent chemicals.

by | May 1, 2024


Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals notorious for their persistence in the environment and potential health risks. As awareness of their impacts grows, so does the demand for rigorous testing. PFAS testing labs play a crucial role in detecting these chemicals in various matrices, including water, soil, and biota. This article explores the types of testing performed, the methods and standards employed, and how to connect with laboratories that provide specialized PFAS testing.

Types of Laboratory PFAS Testing

PFAS testing Labs are essential for identifying and quantifying the presence of these toxic chemicals in various environments and products. The testing can be broadly categorized into environmental, consumer products, and biological testing. Each category targets specific samples and uses tailored methodologies to detect PFAS compounds reliably. Here are the expanded details and examples for each type:

1. Environmental Testing

Environmental testing is critical for monitoring and managing PFAS contamination in natural and urban settings. This type of testing often focuses on:

  • Water Testing: Laboratories test drinking water, groundwater, and surface water for PFAS to ensure safety and compliance with health advisories. For example, a water treatment facility may regularly test its output to ensure that PFAS levels are below the recommended thresholds set by the EPA.
  • Soil Testing: Soil samples are tested in areas suspected of being contaminated by PFAS through industrial activities or the use of firefighting foams. An example is testing soil near airports and military bases where firefighting training exercises are common.
  • Air Testing: Air sampling and testing for PFAS are less common but crucial in areas near manufacturing plants that use PFAS in production processes.

2. Consumer Products Testing

As PFAS are used in various consumer products for their water and stain-resistance properties, testing these products ensures they are safe for use:

  • Textiles: Clothing and outdoor gear that are labeled waterproof or stain-resistant are tested to ensure they do not release PFAS into the environment or pose a risk to human health.
  • Cookware: Non-stick cookware is tested to verify that the levels of PFAS (often used in the non-stick coating) are within safe limits.
  • Food Packaging: Paper and cardboard food containers, like those used for fast food, can contain PFAS to prevent oil and water from soaking through. Testing ensures these containers comply with health safety standards, particularly in regions where PFAS use in food packaging is regulated or banned.

3. Biological Testing

Biological testing measures the exposure of humans and wildlife to PFAS, providing crucial data for assessing health risks:

  • Blood Testing: Human blood samples are analyzed to measure the concentration of PFAS, which helps in assessing exposure levels and potential health effects. This type of testing is often used in epidemiological studies and for monitoring high-risk populations, such as industrial workers at facilities where PFAS was used.
  • Tissue Testing: Wildlife, particularly fish and birds from contaminated regions, are tested to understand the bioaccumulation of PFAS in the ecosystem. These studies help in tracking the environmental spread and impact of PFAS.

Each type of PFAS testing not only helps in identifying and quantifying these chemicals but also plays a pivotal role in informing public health decisions, environmental remediation efforts, and regulatory measures. By understanding the sources and pathways of PFAS exposure through targeted testing, stakeholders can better manage and mitigate the risks associated with these persistent and potentially harmful substances.

Testing Methods and Standards

PFAS testing labs employ a variety of methods, tailored to the specific requirements of the sample and sensitivity needed. The most commonly used methods are:

  1. Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS): Highly sensitive and specific, ideal for detecting low levels of PFAS in environmental samples and biological matrices.
  2. Gas Chromatography-Mass Spectrometry (GC-MS): Used for volatile PFAS compounds, though less common due to the stability and low volatility of many PFAS.
  3. Ion Exchange Chromatography: Effective for water samples, used in conjunction with other methods to improve accuracy.

Adherence to standards is crucial in PFAS testing to ensure reliability and comparability of results. Labs typically follow standards set by international bodies like the ISO or national agencies such as the U.S. Environmental Protection Agency (EPA). These standards outline methods for sample collection, handling, and analysis, ensuring that testing is both accurate and reproducible.

Connecting with PFAS Testing Labs through Contract Laboratory simplifies the process of finding a specialized PFAS testing lab that meets specific testing needs, whether for environmental, consumer products, or biological samples. Here’s how the platform facilitates the connection between clients and laboratories:

Platform Features and Functionality

1. Comprehensive Laboratory Directory: hosts an extensive directory of accredited laboratories with detailed profiles. Each profile includes information on the laboratory’s expertise, certification, and the specific types of tests they perform, including PFAS testing. This allows clients to browse and select labs that match their exact requirements.

2. Easy Submission of Test Requests: Clients can submit a test request directly through the platform. The process involves filling out a form specifying the type of testing needed (e.g., water, soil, consumer products), the urgency of the testing, and any regulatory standards that must be met. This detailed information ensures that only labs capable of fulfilling the requirements will respond.

3. Quote Receiving and Comparison: Once a test request is submitted, forwards it to suitable labs. In response, labs submit quotes outlining their testing capabilities, turnaround times, and costs. Clients can then compare these quotes to find the best match for their needs in terms of both expertise and budget.

If you require PFAS testing Contract Laboratory is happy to connect you with qualified labs. Simply, Submit a Project Request or Contact Us for more information.


As PFAS continues to be a significant concern for environmental and public health, the role of specialized testing laboratories becomes increasingly critical. By employing advanced testing methods and adhering to strict standards, these labs provide essential data that informs regulatory measures and mitigation strategies. Furthermore, contract laboratories enhance this process by efficiently connecting clients with the appropriate testing facilities, streamlining the path from sampling to solutions. For any entity dealing with potential PFAS contamination, understanding these resources and how to access them is a crucial step in addressing the challenges posed by these persistent chemicals.

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