H2S Awareness: This H2S Alive course is offered as an extension to Confined Space Entry training. This course provides workers who may work or perform work in a setting where Hydrogen Sulfide poses a hazard to their health and safety, the knowledge and understanding required to get out alive. H2S is an extremely toxic gas, produced by the bacterial decomposition of organic materials such as human and animal wastes. However, H2S can also be produced by industrial activities that such as petroleum/natural gas drilling or refining, wastewater treatments, coke ovens, tanneries and paper mills. Training includes the testing/monitoring procedures, personal protective equipment and exposure limits.