Contemporary reports refer to the survivors being affected by the afterdamp. In coal mines incomplete combustion may occur during explosions resulting in the production of afterdamp. Deaths were mainly caused by carbon monoxide poisoning, known as afterdamp. Eight men were rescued, but one died from the effects of afterdamp. The air in the pit was foul with afterdamp. All perished after inhaling afterdamp following the explosion. Twenty died from the explosion, the rest from afterdamp. Exploration of the south workings was stopped by falls and afterdamp. The rescuers' progress was restricted because of roof falls and afterdamp. The toxic mixtures of gases found in mines included afterdamp, blackdamp and whitedamp. The resulting mixture is called afterdamp and will suffocate and kill.