ASSP Z390.1-2024 PDF

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 (PPE) appropriate for atmospheres containing H2S concentrations above the applicable occupational exposure limit (OEL), rescue procedures and first aid for victims of H2S exposure; and
• H2S safety instructor qualifications.