Food in Antiquity (general) 1  Food and Society in Classical Antiquity, Peter Garnsey. ---excellent overview of the topic, includes diet, food supply, economy, health, taboos. 2  The Cambridge World History of Food, Kiple & Ornelas. ---history of specific foods and cuisine by region; food prejudices and taboos.
According to Cornell University, a urine specimen can be held for up to twelve hours, providing that it has been refrigerated. In addition to time restraints, temperature of the urine can also play a critical role in the end test result. Refrigerated specimens must be allowed to become room temperature before testing.
It will be good for up to six months, in the vacuum seal, if stored in the refrigerator. If frozen in the vacuum seal, it can last for about 1 year. Once the sample is removed from the vacuum seal, it should not remain at room temperature for more than 18 hours. It will keep in the refrigerator, unsealed, for 30 days.