How should cleaning chemicals be stored relative to potable water and food-contact surfaces?

• A. Stored with potable water and food-contact surfaces in open containers
• B. Stored together with cleaners in the same area
• C. Stored separately from potable water and food-contact surfaces; in labeled, closed containers with ventilation and segregation
• D. Stored in heat-exposed conditions

Answer: (C)

Safe storage of cleaning chemicals requires separation from potable water and food-contact surfaces, using labeled, closed containers with ventilation and segregation. Keeping chemicals in closed, clearly labeled containers prevents leaks, spills, and accidental exposure, and labeling ensures anyone handling them knows exactly what's inside. Ventilation helps disperse any volatile fumes, reducing inhalation risk and odor buildup. Segregation prevents cross-contact and incompatible mixtures that could cause dangerous reactions or contaminate water supplies or food-contact surfaces. Storing chemicals together with potable water or near food-contact areas increases the chance of contamination and exposure, and storing in open or heat-exposed conditions can lead to spills, chemical degradation, or hazardous vapor buildup.