If you're preparing a tuna salad with canned tuna what temperature does it need to be cooled to within 4 hours

41°F (5°C) or lower

If you're preparing a tuna salad with canned tuna it needs to be cooled to within 4 hours, it must be set at  41°F (5°C).  

Tuna salad is considered potentially hazardous foods because it contains high protein foods like tuna. Other foods that are hazardous when not stored properly are meat, eggs, dairy and cooked vegetables. Bacteria multiply rapidly if food is held in the temperature danger zone  (41° to 140°F).

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cutting out negative people, changing their diets, exercising, taking off days from work or school, etc