Hydrogen sulfide (H 2 S) is a very poisonous gas having a readily recognizable "rotten ... No one should ever enter a manure storage pit - even to rescue a victim overcome by gases - without a supply ...

Additionally, restarting aeration following repairs of the system can cause acutely toxic conditions by stripping out anaerobic gases that have built up in the manure. Proper conditions in the pit for ...

The men died after they fell inside the vehicle containing toxic fumes at Champion Farm ... Three Ohio Brothers Die from Fumes after Falling in a Manure Pit At the time, both men were working ...