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?
How long can you keep frozen hamburger meat? A: Frozen raw hamburger meat remains safe in the freezer indefinitely, but it is best if used within four months. Completely cooked hamburger meat that is frozen within two hours of cooking should be used within four months.