I think it was the Great depression not sure though
TCS items that are prepared for consumption can be eaten without risk during a 4-hour interval. However, if they have not been kept at a consistent temperature.
It can only be kept at 41°F for a maximum of before it needs to be thrown out. ALL FOOD . Refrigerators need to be adjusted at 39 degrees or less. If the meal was prepared on-site and refrigerated, discard it if it is not consumed within seven days. Maintain the appropriate temperature for TCS meals. It should be kept at 41°F or below (5°C), or at 135°F or above. TCS food that is ready to eat can only be kept for a maximum of seven days when stored at 41°F (5°C) or lower. After this point, certain bacteria can develop to deadly heights.
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