Solano County, California. Solano County is a county located in the U.S. state of California. As of the 2010 census, the population was 413,344. The county seat is Fairfield. Solano County comprises the Vallejo-Fairfield, CA Metropolitan Statistical Area, which is also included in the San Jose-San Francisco-Oakland, CA Combined Statistical Area.
Potentially hazardous food, such as cooked hamburger, should be left at room temperature for no more than 2 hours or one hour if the ambient temperature is very warm. At that point, the food should be refrigerated or reheated. Was this answer useful?
Six months is probably the longest it will last considering these factors. The guidelines state no more than three months in a good quality freezer Frozen items will stay edible for a long time. For hamburgers, at least a year or so. They won't taste too fresh, but they will be edible. According to the chart inside our freezer it should be OK for up to 3 months.