The document discusses material safety data sheets (MSDS), which provide detailed health and safety information about chemical products. It explains that MSDS have standardized 16-section formats covering topics like product identification, hazards, composition, safe handling/storage, exposure risks, and emergency procedures. The document also outlines common hazard labels used on chemicals, reviews the sections of a typical MSDS, and discusses personal protective equipment (PPE) worn by workers when engineering controls don't eliminate hazards.