Firefighter Gear: A Shift from PFAS to Brominated Flame Retardants Raises New Health Concerns
For years, firefighters have bravely faced the flames, trusting their protective gear to shield them from extreme conditions. But a growing body of research reveals a hidden threat – the chemicals within that gear. A recent study from Duke University highlights a concerning trend: as manufacturers phase out possibly harmful per- and polyfluoroalkyl substances (PFAS), they’re increasingly relying on brominated flame retardants (BFRs), some of wich carry their own set of health risks.
The PFAS Problem: A Long-Standing Worry
PFAS, used to make firefighter turnout gear water- and oil-resistant, have been a source of concern for years. These “forever chemicals” don’t break down in the habitat and accumulate in the human body.Exposure to PFAS has been linked to a range of adverse health effects, including increased risk of certain cancers, thyroid disease, and developmental issues in children.
While a direct causal link between PFAS in turnout gear and elevated levels of PFAS in firefighters’ blood hasn’t been definitively established,the potential for exposure has prompted many gear manufacturers to move away from these chemicals. This move is a positive step, but it also raises an crucial question: what’s replacing PFAS, and what are the potential consequences?
BFRs Step In: A Potential trade-Off?
The Duke University study, published in Environmental Science & Technology Letters, investigated this very question. Led by environmental chemist Heather Stapleton, the research team analyzed turnout gear manufactured between 2013 and 2020, plus newer, PFAS-free gear released in 2024. The results were sobering.
While PFAS were detected in older gear – and only in trace amounts in the newer samples, likely from environmental contamination – all gear tested contained BFRs. Remarkably, the levels of BFRs were highest in the newer gear advertised as PFAS-free. This suggests that BFRs are being used as a replacement in an effort to maintain flame resistance.
“These first responders are a critically important component of our public safety and deserve to be respected and protected,” says Stapleton,emphasizing the importance of safeguarding those who protect us. She also leads ongoing research into cancer risk among firefighters, highlighting the urgency of this issue.
Understanding Brominated flame Retardants
BFRs are a class of chemicals added to materials to prevent or slow the spread of fire. However, not all BFRs are created equal, and some have raised meaningful health concerns. The most prevalent BFR identified in the Duke study was decabromodiphenyl ethane (DBDPE).DBDPE has been linked to endocrine disruption, particularly affecting thyroid function. the thyroid gland regulates metabolism, growth, and progress, and disruptions can have serious health consequences.
Other BFRs have also been associated with:
- Developmental neurotoxicity
- Reproductive problems
- Potential carcinogenic effects
It’s important to understand that the health effects of BFR exposure are complex and still being investigated. Though, the presence of these chemicals in firefighting gear is a cause for concern, especially given the potential for repeated and prolonged exposure.
the Path Forward: Transparency and Further Research
The Duke University study underscores the need for a more complete understanding of the chemicals used in firefighter turnout gear. Stapleton and her team advocate for:
- Increased research: More studies are needed to assess the long-term health effects of BFR exposure in firefighters.
- Greater transparency from manufacturers: Fire departments need access to detailed details about the chemical composition of the gear they purchase.
- Development of safer alternatives: Research into inherently flame-resistant materials that don’t rely on potentially harmful chemical additives is crucial.
The situation highlights a common challenge in environmental health: replacing one problematic chemical with another that may have it’s own set of risks. The goal isn’t simply to eliminate PFAS; it’s to ensure that the replacement chemicals are demonstrably safer for firefighters and the environment.
Source: Duke University
Key Takeaways
- Firefighter turnout gear contains chemicals designed to protect against heat and water, but these chemicals can pose health risks.
- PFAS, previously a major concern, are being phased out, but their replacements – particularly BFRs – are showing up in higher concentrations in newer gear.
- bfrs, like DBDPE, have been linked to thyroid problems and other adverse health effects.
- Further research and greater transparency from manufacturers are needed to ensure the safety of firefighters.
