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?
Can I refrigerate or freeze leftover cooked hamburgers? How should they be reheated? If ground beef is refrigerated promptly after cooking (within 2 hours; 1 hour if the temperature is above 90 Â°F), it can be safely refrigerated for about 3 or 4 days.