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Identify poisonous or toxic substances that can contaminate food.

Substance Source Of Contamination Type Of Hazard Associated Food
Toxic metal Utensils and equipment constructed from lead, copper, brass, zinc, antimony, and cadmium Toxic and irritant  
Chemicals Cleaning products, such as detergents, oven cleaners, and degreasers Caustic and corrosive Any
Sanitizers Toxic and irritant Any
Floor treatments Irritants, toxics, and flammables Any
Pesticides Improperly applied pesticides used in food preparation and storage areas Toxic and flammable Any