What Is PFAS and Why Is Everyone Talking About It?

Per- and polyfluoroalkyl substances (PFAS) are a large group of manufactured chemicals used in everyday products and workplace materials. They have attracted attention because many persist in the environment, people can be exposed through several routes, and research has linked some PFAS to harmful health effects.

For an employer, the useful starting point is understanding whether these chemicals may be connected to the materials and work at your facility. A headline about contaminated drinking water does not tell you what an employee handles during a shift. That takes a closer look at the actual product, task, and potential exposure.

PFAS are a large family of chemicals

The term PFAS covers thousands of chemicals, rather than one substance with a single use or health profile. Perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) are two widely studied examples. Finding information about one does not automatically explain every other chemical in the group.

PFAS have been used in products such as stain-resistant textiles, certain paints, food-handling materials, and some firefighting foams. Those examples explain the breadth of the issue. They do not establish that every product in those categories contains PFAS, or that a particular product at your facility does.

When reviewing a material, look for information about that specific product and its ingredients. A broad product category is a reason to ask a question, not a finding of contamination.

Why persistence raises concern

Many PFAS break down very slowly. You may hear them called “forever chemicals” for that reason. The nickname is memorable, but it doesn't explain differences among individual compounds.

The Environmental Protection Agency (EPA) reports that PFAS are found in water, air, soil, and fish, and that some can build up in people, animals, and the environment over time. Widespread use combined with persistence means the issue extends beyond the original point of use. That's why PFAS appears in conversations about drinking water, consumer products, waste, and worker health. Each conversation concerns a different setting and may require different evidence. For example, a water result does not establish the amount of a chemical in workplace air.

What the health research does and does not tell us

The National Institute for Occupational Safety and Health (NIOSH) identifies cancer, increased cholesterol levels, and immune-system effects among the harmful health outcomes associated with exposure to some PFAS. These are serious concerns that deserve careful attention.

EPA notes that the size and diversity of this chemical group make it difficult to study and assess its risks. Research continues on exposure, health effects, measurement, and ways to manage these substances.

A general health association cannot tell an individual worker whether a particular exposure caused an illness. It also cannot tell an employer how much exposure is occurring at a facility. Workplace decisions need evidence about the chemical involved and the circumstances of contact. Qualified healthcare professionals should address individual health concerns.

What PFAS means for your workplace

Workers may encounter PFAS differently from the general public. NIOSH points to contact with concentrated products and breathing PFAS in workplace air as possible occupational exposure routes. The substance, amount, and route of exposure can vary with the work being done.

Consider how a material is received, opened, transferred, applied, cleaned up, or discarded. Those are useful points to examine when reviewing potential contact. The questions will differ between an unopened container in storage and a product being actively applied.

None of that establishes PFAS exposure. It helps define what you need to find out. A credible review should connect a specific material to a specific activity before drawing conclusions about worker exposure or recommending controls.

Start with the materials and the work

Begin with a manageable review of the products and processes that raise a credible PFAS question. Gather current product information, including Safety Data Sheets, and ask suppliers to clarify the specific formulation when available information doesn't answer your question.

Record what you know, what remains uncertain, and which tasks could involve contact. Include the people who actually use or handle the material. They can explain how work is performed and where handling differs from the written procedure.

If the review identifies a potential exposure concern, discuss the next step with a qualified environmental, health, and safety (EHS) or industrial hygiene professional. Any proposed assessment should have a defined purpose: which substance is being evaluated, which task or workers it concerns, and what decision the results will support.

Treat this as a practical starting point, not a universal PFAS testing requirement. Avoid ordering a generic test simply because PFAS is in the news. First establish what question you need answered and whether the proposed method can answer it.

Where GMG EnviroSafe can help

GMG EnviroSafe provides EHS compliance support. Its HealthAssure® program addresses workplace health and safety, including exposure concerns. GMG also describes workplace exposure assessment among its services.

If you have questions about materials used at your facility, talk with GMG EnviroSafe about the work involved and the information you already have. That conversation can help clarify the concern and the appropriate next step. Any PFAS-specific assessment or service would need separate confirmation of capability and scope.

Sources

(1) U.S. Environmental Protection Agency. PFAS Explained. https://www.epa.gov/pfas/pfas-explained

(2) NIOSH. PFAS and Worker Health. https://www.cdc.gov/niosh/pfas/about/index.html

(3) U.S. Environmental Protection Agency. Our Current Understanding of the Human Health and Environmental Risks of PFAS. https://www.epa.gov/pfas/our-current-understanding-human-health-and-environmental-risks-pfas

(4) GMG EnviroSafe. HealthAssure®. https://www.gmgenvirosafe.com/healthassure

(5) GMG EnviroSafe. Workplace Exposure Assessment. https://www.gmgenvirosafe.com/workplace-exposure-assessment