Storage of starter caps: Where should I store my starter caps?

Storage of starter caps: Where should I store my starter caps?
Agar plate storage in the fridge: Is it necessary to store the agar plates upside down in the fridge? As in the school we are attending to so many things that we are sometimes in a hurry to check
Storage of offal: Is it acceptable to store offal, such as plucks, hearts, kidneys, etc., in a freezer for long periods (months) for future use?
Shelf life of chemicals: Hello, Just wondering if there is a list of chemicals and their shelf life available to download?
Storage of Gas Cylinders: We currently have three gas cylinders - Hydrogen - DG 2.1 (size E), Oxygen - DG 2.2 & 5.1 (size D) and Carbon Dioxide - DG 2.2 (size D) which are secured with chains o
This downloadable document provides links to websites that support the proper use of chemicals in schools.