There are three ways to run CBRN training. Live agent training (LAT) uses real chemical agents at licensed facilities and is the most realistic option available. Simulant agent training (SAT) releases substitute substances that behave like the real thing, and trainees use their own detectors. Simulation training uses electronic simulators that reproduce the detector's exact response, with no hazardous material released at all.
Each has a place. This post compares them on realism, cost, safety, scenario freedom and repeatability, so you can work out which combination fits your programme.
Traditional methods
Live agent training (LAT) and simulant agent training (SAT) both involve the release of chemical, biological, radiological or nuclear materials into the training environment. With LAT, real materials are used; with SAT, materials that replicate the properties of those materials are used.
1. Live agent training (LAT)
LAT is the most realistic method available, because real materials are being used. It is the closest an individual can get to a live CBRN incident, and for that reason it sits at the top of any training pathway.
It takes place in controlled, allocated areas, generally inside military or government establishments. That control is what makes it valuable and also what limits it. Training has to be stringently monitored, environmental and health and safety legislation applies throughout, and highly trained staff must be on site to oversee every exercise. Scenarios are limited to what the facility permits.
LAT is also expensive. Training at the Vyškov facility in the Czech Republic has been quoted at €2,000–3,000 per person, with courses of around 15 people and additional charges for instructional staff.
2. Simulant agent training (SAT)
SAT sits one step below LAT and remains realistic, because trainees use real detectors throughout. It is not a replacement for LAT. It works as a precursor, giving students time to get to grips with their instruments before moving to live agents.
The obvious benefit is that the hazards of LAT are reduced, which opens up a wider range of scenarios. But simulants are not completely harmless, and repeated release has a cumulative effect on the training environment.
There is also a credibility problem. Trainees know the agent poses no real threat, which removes some of the immediacy that makes LAT valuable.
Cost remains a factor, with chemical simulant kits ranging from roughly £300 to £2,300.
Simulation training
Simulation training uses computer-based tools that replicate real detectors exactly. The simulators respond to safe electronic sources rather than any released material, so no chemical, biological or radiological substance enters the training environment.
The practical consequences are significant. There are no environmental or health and safety regulations governing the training itself, which means scenarios can be staged almost anywhere — including public buildings, vehicles, confined spaces and multi-agency exercises. Sessions can be reset in seconds and repeated as often as the schedule allows, with no consumables burned.
It carries the same disbelief problem as SAT: trainees know the environment is safe. And building a convincing artificial hazard environment demands more from the instructor, which can be a challenge for newly qualified staff.
The instruments themselves are the point. Argon builds simulators that replicate the chemical detectors and radiological instruments units already field - the same menu structure, the same alarms, the same readings — so what a trainee learns transfers directly to the operational device.
How the three methods compare
| Live agent (LAT) | Simulant agent (SAT) | Simulation | |
|---|---|---|---|
| Realism | Highest - real agents | High - real detectors, substitute agents | High - real detector behaviour, no agent |
| Where it can run | Licensed facilities only | Approved outdoor areas | Almost anywhere, including indoors |
| Scenario range | Limited by facility | Moderate | Wide |
| Repeatability | Low - cost and scheduling | Moderate - consumable cost | High - reset in seconds |
| Environmental impact | Significant, tightly regulated | Cumulative over time | None |
| Recurring cost | €2,000–3,000 per person | £300–£2,300 per simulant kit | No consumables |
| Risk to operational detectors | Contamination and damage | Contamination and damage | None |
| Instructor demand | Specialist supervision required | Moderate | Higher - scenario design skill |
| Best used for | Final validation of advanced trainees | Detector familiarisation before LAT | Repetition, decision-making, wide-area exercises |
So which should you use?
All three have a place, and the honest answer is that they work best in sequence rather than in competition.
LAT is indispensable and prepares students in a way nothing else can. But it should not stand alone. By the time someone attends live agent training, they should already have substantial detector experience behind them - otherwise expensive facility time is spent learning which button to press.
That is why the real comparison is not traditional versus simulation. It is SAT versus simulation for everything that happens before LAT. On that comparison, simulation gives you more repetitions, more scenario freedom, no consumable cost and no risk to the operational detectors your teams depend on.
Where simulation fits in your programme: simulators replicate the detectors your teams already carry, so trainees build the muscle memory that transfers straight to the operational instrument. Sessions run anywhere, reset in seconds, and use no consumables. See the CWA and HazMat simulator range or book a demonstration.
Frequently asked questions
Can simulation training replace live agent training?
No. Simulation prepares trainees for LAT and covers everything LAT cannot repeat affordably, but final validation against real agents still has a place for advanced personnel.
Do simulators work with the detectors we already own?
Argon builds simulators that replicate specific instruments - including the Smiths Detection LCD 3.3, the Proengin AP4C, the Bruker RAID-M 100 and a wide range of radiological survey meters and probes. The simulator matches the operational device rather than replacing it.
Where can simulation training take place?
Anywhere. Because no hazardous material is released, exercises can run indoors, in public buildings, in vehicles and across wide areas without environmental or regulatory restrictions.
What does simulation training cost to run once purchased?
There are no consumables and no source licensing. The cost is the upfront investment in the simulators, after which repetitions are effectively free.
Is simulation suitable for newly qualified instructors?
It demands more scenario design skill than SAT. Instructor remotes and pre-built scenarios reduce that gap considerably, but it is worth factoring into a training plan.
