Manufactring expiration dating policy
Sessoms holds a Bachelor of Arts degree in liberal studies. The USDA notes that while closed codes could refer to manufacturing date, the codes are not intended for consumer use and no single translation source exists. The codes, which might resemble a number like “2061” or “0195,” are usually stamped on the top or bottom of a can, according to Mealtime.org, a service of the Canned Food Alliance. Manufacturers vary in listing the year or month first and some add numbers to the code that are not related to the date.Check the code to see if numbers are used to represent months.
For those materials where shelf life information is a requirement, expiration and retest periods are available at the batch level.Most can be influenced by several factors: exposure to light, heat, moisture, transmission of gases, mechanical stresses, and contamination by things such as micro-organisms.Product quality is often mathematically modelled around a parameter (concentration of a chemical compound, a microbiological index, or moisture content)."One of the worst places to store them," Goldhammer offers, "is in the medicine cabinet, which can be hot and humid. Why do you think most companies sell them a month or at most three months ahead of time?" Van Landingham also notes that humidity can hurt drugs.