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A
They list prices
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B
Staff and emergency responders can quickly find a product's hazards and proper handling or first aid
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C
They are decorative
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D
They replace training
Why this is the answer
Keeping Safety Data Sheets accessible is important so that staff — and, in an emergency, responders — can quickly find a product's hazards, safe-handling instructions, and appropriate first-aid measures if someone is exposed or a spill occurs. Under workplace right-to-know principles (overseen by OSHA), employees are entitled to information about the hazardous chemicals they work with. Readily available SDS information supports a safe salon and a correct response to accidents. The requirement to maintain and access SDS is part of the exam's safety content.
Source: Scientific Concepts — SDS Access