We ask firefighters to run into burning buildings.
We ask them to handle hazardous materials on the highway and see things that most people can’t imagine.
We accept that the job comes with risks.
But there is one risk no firefighter should ever have to accept: the air they breathe inside their own station.
For decades, the culture was different. Soot on your gear was a badge of honor.
The smell of diesel in the bay was just the smell of work. But we know better now.
We know that the very place designed to be a “home away from home” for responders has become a consistent source of exposure to cancer-causing particulates.
This isn’t about selling ductwork or fans. For me, this is a mission.
When I walk into a station and see a truck startup, I’m not looking at the equipment; I’m looking at the invisible threat that lingers long after the rig has left the bay.
My goal is simple: when a firefighter grabs a coffee in the kitchen or heads to the bunkroom, the air they breathe shouldn’t be killing them.
Fran Burke III
The science is settled we need to stop treating diesel exhaust like a nuisance and start treating it like what it is: a Group 1 carcinogen.
The World Health Organization and the International Agency for Research on Cancer (IARC) have placed diesel exhaust in the same category as asbestos and tobacco smoke.
The particulate matter we are dealing with is microscopic. It is 50 times smaller than a human hair.
When a truck idles, even for a moment, those particles don’t just fall to the ground; they float.
They bypass the body’s natural defences and lodge deep in the lungs.
The numbers don’t lie. According to NIOSH, firefighters are 9% more likely to be diagnosed with cancer and 14% more likely to die from it than the general population.
These brave individuals are not just first responders; they are loved ones.
They are husbands, wives, parents, children and friends.
The ventilation myth I still hear: “We just open the bay doors and the wind clears it out.” Or, “we have big exhaust fans on the ceiling.”
Fran Burke III
Here is the hard truth: general ventilation dilutes the poison; it doesn’t remove it.
By the time a ceiling fan spins up, that plume of exhaust has already expanded into the breathing zone of every firefighter checking their gear.
It has already started drifting into the stairwells and HVAC intakes.
The only way to truly protect your people is to capture it at the source.
You have to grab that exhaust at the tailpipe before it ever hits the air. It is the only engineering control that effectively isolates the hazard, which is why NFPA 1500 and NIOSH recommend it.
If it isn’t reliable, it isn’t safe in my work- I’ve seen every system under the sun.
I’ve seen hoses lying on the floor because the disconnect failed. I’ve seen nozzles tied up with bungee cords.
A source capture system is only as good as its reliability.
If it is difficult to use or if it fails to disconnect properly as the truck exits, firefighters won’t use it. And a system that isn’t used is a safety failure.
Fran Burke III
When departments look at safety systems, they need to look for technology that eliminates failure points.
Electromagnetic connections, for example, offer a massive safety advantage over mechanical grabs.
They provide a solid seal during that high-pressure startup burst but release instantly as the truck exits.
No wear and tear on the tailpipe, no struggle for the driver.
We also need to talk about ambient air mixing.
Systems designed to pull cool air in at the nozzle to mix with the hot exhaust can reduce the airstream temperature by up to 50%.
That protects the equipment from heat damage, ensuring the system actually lasts.
The “set it and forget it” trap, the most frustrating thing for me is seeing a department fight for grant money, install a system, and then let it fall into disrepair.
Fran Burke III
A broken exhaust system provides a false sense of security.
Maintenance isn’t optional; it is operational readiness.
You have to check the fans, the seals and the auto-start sensors.
If a system is installed and then ignored for five years, it is not serving the crew. We need to ensure that the system works just as well now as it did on the first run.
Funding the fight I know budgets are tight. But cost should never be the reason a firefighter gets sick.
The FEMA Assistance to Firefighters Grant (AFG) specifically prioritizes vehicle exhaust removal systems under the “Operations and Safety” category.
When applying for funding, departments need to articulate the risk clearly.
Don’t just ask for equipment; ask for cancer prevention.
Use the data. Show the daily exposure. The federal government understands this is a high priority because the cost of prevention is a fraction of the cost of a lost life.
Firefighters dedicate their lives to protecting strangers.
They deserve facilities that protect them in return. Our industry has a responsibility to contribute to a sustainable, healthy future for these first responders.
Fran Burke III
We don’t just install metal and motors. We install peace of mind.
When that tone drops at 3:00 AM and the engines fire up, I want to know that the air in that bay is safe for my loved ones that work tirelessly to protect my community.
That is the standard we should all be fighting for.
