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?
According to the Food Safety and Inspection Service (FSIS) the USDA suggests that consumers cook or freeze hamburger meat (ground beef) within 2 days after purchase for maximum quality. âTo keep bacterial levels low, store ground beef at 40Â°F or less and use within 2 days, or freeze.