Firefighter Gear Decontamination: The Dangerous Truth Behind Dirty PPE
You know what danger looks like. Flashovers. Collapses. That gut-punch heat when you’re crawling down a hallway. You train for that, suit up for it and trust your gear to keep you safe through the worst of it.
But sometimes, the real danger tags along after the fire’s out.
The Threat That Sticks Around
When the hose gets packed and the scene clears, there’s a whole different hazard hanging on: contaminants. Take toxic polycyclic aromatic hydrocarbons (PAHs), for example. Or heavy metals, and volatile organic compounds (VOCs). There are also chemicals from burned plastic and synthetic insulation, as well as diesel residue. Altogether, it’s a cocktail of carcinogens that can be clinging to your jacket, gloves, pants, boots and helmet.
While your gear is designed to keep you safe in a fire, it can actually become a hazard if it’s not cleaned properly afterward.
It doesn’t matter if the flames are out. If your turnouts are soaked in soot and grime, then the muck’s coming home with you. Into the cab of your truck, onto your station’s benches and maybe even into your laundry room, depending on how you store it. That’s exposure, and exposure stacks up.
Cancer Isn’t Just a Statistic
The sobering reality is that occupational cancer is the leading cause of line-of-duty death (LODD) in the fire service.1 And repeated exposure to combustion byproducts—especially when they linger on dirty PPE—is one of the major culprits.
You can’t un see that once you know it, so the question becomes, what to do about it?
Start on Scene: Preliminary Exposure Reduction
For starters, keep your SCBA on even after the fire’s out. Just because you’ve stepped outside doesn’t mean the air around you is safe. Your gear is likely still releasing toxic vapors like benzene, styrene and formaldehyde into the air around your face and neck. This off-gassing can happen for 30 minutes or more after you exit the fire ground.
So even if it looks clear, you’re still breathing in contaminants unless you stay on air. Keep the mask on until your gear is cleaned or bagged and you’re in a safe, ventilated area. It’s a small habit that could save you from long-term exposure.
Next, rinse down. Grab a hose and a soft-bristle brush, and use low-pressure, low-volume water (no power washers) to gently scrub off the visible debris. This isn’t about shining up your jacket; it’s about breaking the surface tension of the nasty stuff.
Importantly, skip the bleach. Never bleach your gear as it weakens the fabric and does nothing for chemical removal. Stick with cool or lukewarm water (under 105°F) and a mild detergent designed for fabrics (avoid industrial-strength solutions).
That quick wash matters. A study published in the Journal of Occupational and Environmental Hygiene found that using soap, water and scrubbing on scene could reduce PAHs (the chemicals that form when organic materials burn incompletely) on jackets by a median of 85%.2 Not perfect, sure, but drastically lowering the risk of cross-contamination wherever your gear goes next.
Then, bag it immediately. Don’t toss your gear in the back seat or hang it on a hook in the bay. Use a clear plastic bag – at least 2 Mil in thickness seal it tight and label it as contaminated if needed. Because that gear may still be shedding microscopic particles loaded with toxins that don’t just cling to fabric, but find their way into vehicle upholstery, station furniture and even the lungs of anyone nearby.
In other words, treat your gear like it’s still burning, because in a very real way, it is.
Not All Washing Is Created Equal
As standard care, departments should clean gear using pH-neutral, PPE-safe detergents, meaning no bleach, fabric softeners or harsh additives that could degrade the thermal liner, moisture barrier or outer shell. Just as important: use a front-loading extractor washer that operates on low mechanical action and warm water (under 105°F). This setup protects the integrity of the gear’s stitching, seams and materials. Proper firefighter gear decontamination means more than just a rinse — it requires NFPA 1851-approved methods and certified professionals.
A word of warning here: tossing gear into a residential washer simply won’t cut it. In fact, it could be making things worse. That kind of machine doesn’t reach the deep fibers, and it doesn’t clear out embedded carcinogens. It can also beat up your gear in the process, ruining the very protection you’re counting on.
Certified gear care specialists load contaminated turnout gear into NFPA-compliant extractor machines, ensuring deep cleaning that meets safety standards without compromising fabric integrity.
That’s why NFPA 1851 lays out strict standards for PPE selection, care, inspection and cleaning. It also requires fire departments to perform at least two advanced cleanings per year. And those cleanings? They should be done by pros.
This is where a fully verified Independent Service Provider (ISP) earns their stripes—by following the NFPA 1851 standard to the letter. That means your gear is cleaned, inspected, repaired and returned response ready.
Professional gear cleaning services may use everything from high-efficiency extractors designed specifically for turnout gear, to ultrasonic cleaning that targets deep-set grime at the microscopic level, to CO₂ cleaning systems that lift contaminants without soaking the fabric. These are not off-the-shelf solutions, but rather tailored tech built to handle the chemical stew that can cling to gear after a response.
Ozone cleaning is another specialized laundry method that enhances decontamination by using oxidation. It works by converting oxygen (O₂) into ozone (O₃), a highly reactive molecule that breaks down bacteria and contaminants on contact. Often paired with extractor machines, ozone cleaning offers deeper, more effective cleaning than extractors alone. Under NFPA 1851, it qualifies as a form of specialized cleaning that is ideal for gear that needs more than standard washing to remove stubborn toxins.
Soak tanks are another form of specialized cleaning. These long tanks are filled with a cleaning solution where heavily contaminated gear can soak for hours or days to break down particularly tough residues (namely, petroleum-based contaminants and heavy hydrocarbons).
Gear care specialists also know exactly which surfactants are chemically effective and thermally safe for breaking down PAHs and VOCs. These aren’t your average soaps, either. The surfactants used are often formulated specifically for firefighting textiles and tested to meet the material durability standards outlined in NFPA 1851. They avoid additives like optical brighteners, harsh alkalis and solvents that can slowly degrade fabrics. Instead, they lean on biocompatible, fabric-safe chemistries designed to balance decontamination power with long-term gear performance.
Meanwhile, if your jacket needs a patch or your boots don’t pass inspection, ISPs can offer certified repairs and loaner gear to keep you covered while yours gets serviced. In this way, professional services don’t just “handle gear” but also protect the people who wear it.
Dirty Gear Is a Risk
There was a time when blackened turnout gear was worn like a badge of honor. It meant you’d been through it and earned your place. But now we know better. Dirty gear isn’t a trophy to be proud of.
If you’re not cleaning your gear right, you’re gambling with your health, your career and the safety of others. Cleaning is more than an activity, it’s a mindset. It’s about teaching both rookies and veterans that post-fire protocol doesn’t end when the flames do. And it’s about setting up systems so that gear gets cleaned correctly every time.
Ultimately, it’s about leadership backing safety from the top down and not just because it’s policy, but because it’s smart and can save lives.
Start with the NFPA 1851 standard and lean on your preferred ISP for advanced services, training and insight. And never stop educating your team about the dangers of contaminated gear.
Because you already run toward danger. You don’t need to bring it home with you.
Taylor Burke Gilman, President of Gear Wash
Gear Wash is the world’s largest fully verified Independent Service Provider (ISP) for firefighter PPE. From inspection and cleaning to repair, customization and rental, Gear Wash is dedicated to protecting first responders from the dangers of contaminated or compromised gear with advanced technology, NFPA 1851 compliance and unmatched industry expertise.
