ANSI/ASSP Z390.1:2017

This standard sets forth accepted practices for hydrogen sulfide (H2S) safety training and instruction of affected personnel to include, but not be limited to, the following: • minimum informational content of the course • recommended exercises and drills • properties and characteristics of H2S • sources of H2S and areas of potential exposure • typical site-specific safe work practices associated with H2S operations • detection methods for H2S • engineering/mitigation controls • properties, characteristics and safe work practices of sulfur dioxide (SO2) • selection, use and care of personal protective equipment appropriate for atmospheres containing H2S concentrations above the applicable occupational exposure limit • rescue techniques and first aid procedures for victims of H2S exposure • H2S Safety Instructor qualifications