Blueberries' shelf life varies depends on a couple factors such as how fresh they are when you buy them, how you store them in your refrigerator, and how cold your fridge is. However, generally blueberries will last about a week.
Potentially hazardous food should not be left unrefrigerated for more than 2 hours. Less time is better.
about a week
Two hours.
3 Months
It it is left out, it will stay good for about a day or so.
A PBJ sandwich can stay unrefrigerated for about 2 hours before it becomes unsafe to eat due to the risk of bacteria growth.
3 days.
it can stay fresh for 2 weeks
Potentially hazardous food should not be left unrefrigerated for more than 2 hours. Less time is better.
It depends on the type of quiche. If it contains any form of dairy it can be kept unrefrigerated for up to two days, however you should keep it covered.
Raw beef can be unrefrigerated for the amount of time it takes to get from the store to the home refrigerator. But if the weather is hot and it takes more than 20 minutes, use a cooler with ice to transport the meat. The longer it is unrefrigerated and/or the warmer it gets, the sooner the beef will spoil.It can also be unrefrigerated for the length of time it takes to prepare the meat for cooking.
Eggs are a potentially hazardous food. They should not remain unrefrigerated for more than 2 hours. Less time is better.