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  1. CCOHS: Hydrogen Sulfide

    Aug 28, 2025 · What are other names or identifying information for hydrogen sulfide? CAS Registry No.

  2. CCOHS: Respirators - Respirator Selection

    Aug 28, 2025 · When should a respirator be used? Workers should use respirators for protection from contaminants in the air if other hazard control methods are not practical or possible under …

  3. CCOHS: Occupational Hygiene - Occupational Exposure Limits

    Aug 28, 2025 · What is occupational hygiene? The occupational hygiene is the branch of occupational health and safety which focuses on the prevention of the occupational diseases.

  4. CHEMINFO: Hydrogen sulfide

    Inhalation: Hydrogen sulfide (H2S) is a very toxic gas at normal temperatures. It poses a very serious inhalation hazard. There is a large amount of information on human exposures. …

  5. CCOHS: Battery Charging - Industrial Lead-Acid Batteries

    Aug 28, 2025 · Why is it important to follow safety procedures when charging batteries? The use, handling and charging of batteries in the workplace can be hazardous.

  6. What Personal Protective Equipment (PPE) is needed when working with hydrogen sulfide? What are other names or identifying information for hydrogen sulfide? CAS Registry No.: 7783-06-4 …

  7. What is occupational hygiene? The occupational hygiene is the branch of occupational health and safety which focuses on the prevention of the occupational diseases. The exposure to health …

  8. CCOHS: Welding - Fumes And Gases

    Aug 28, 2025 · What are welding fumes? Welding fumes are a complex mixture of metals metallic oxides, silicates, and fluorides.

  9. CCOHS: Welding - Hot Work

    What is hot work? Working with ignition sources near flammable materials is referred to as "hot work.

  10. Exposure Limits to Chemical and Biological Agents

    The following are the references to the provincial and federal legislation where you would find the occupational exposure limits for the different jurisdictions in Canada. Since legislation is …