
As fall approaches and grain moves from fields to storage, safety around grain bins becomes a top priority for producers and commercial operators alike. In a episode of the Feed & Grain Podcast, John Lee, director of Safety, Health and Environmental Services at the Grain and Feed Association of Illinois, offered a clear-eyed look at the risks and best practices for grain bin safety.
Lee, who has spent nearly three decades in safety roles across the grain industry, stresses that many entrapments stem from poor grain condition. “Almost all grain entrapments happen because of bad grain—clumps, soybean pods, or moisture issues,” he explains. Keeping grain dry and properly cored after harvest is the first line of defense against accidents.
One of the most critical safety rules Lee emphasizes is never entering a grain bin alone. In commercial operations, an observer must be present at all times to monitor the entrant and call for help if needed. “If the observer has to leave, the entrant must come out,” Lee says. This simple step can save lives.
Avoiding entry during grain flow is equally important. Grain can shift unexpectedly, especially when reclaiming plugs or blockages. Lee recounts that roughly 80% of entrapments involve someone poking at a grain blockage with equipment running—a dangerous practice he urges operators to avoid.
Personal protective equipment (PPE) is another vital component. OSHA requires harnesses and lifelines for bin entry, though Lee acknowledges the challenges of securing these in sloped-roof bins. At minimum, workers should wear dust masks, boots, and harnesses—even if the harness isn’t anchored. Mold and dust in grain bins pose serious respiratory risks, including toxic organic syndrome, which can cause severe flu-like symptoms.
Lee also highlights the importance of hazard monitoring equipment. Systems that detect belt speed drops, overheating bearings, or misaligned conveyors can prevent fires and explosions. Temperature sensing cables and CO2 monitors help track grain condition, alerting operators to potential spoilage before it becomes dangerous.
Training is key. Lee bases his programs on OSHA standards covering maintenance, housekeeping, lockout/tagout, and fall protection. He also works with farm groups and youth organizations to instill safety awareness early.
“Grain bin safety isn’t just a checklist—it’s a mindset,” Lee says. “It needs to be on everyone’s mind all the time, especially during harvest.”
With harvest season underway, Lee’s advice serves as a timely reminder: proper preparation, vigilance, and respect for grain bin hazards can prevent tragedies and keep operations running smoothly.


















