The description of Storage Conditions section in the leaflet of reference standard will be edited sequentially.

“Protect from light” will be added to Storage Conditions section in the leaflet for all reference standards.
“Avoid moisture absorption” is mentioned in Storage Conditions section for some kinds of reference standards stored in a refrigerator or a freezer, regardless of whether the product is hygroscopic or not. However, “Avoid moisture absorption” will be deleted from Storage Conditions section in the leaflet of these reference standards. For the reference standards to require special handlings due to hygroscopic and others, how to handle in detail will be indicated in Handling Note section.