As long as the cleaning program works and is within the guidlines for the type of business that they have it is a good policy.
The only fault I can find is a refresher session the following week.
I kinda get it, but I think that providing the employees with a place where they can go the first week to see what they have to do to fit those guildlines and and refresher session every... month or so would be better.
Intravenous administration cuts off any barriers to absorption. Drugs are delivered straight to organs and this makes it quite dangerous and only used in very urgent cases where patients are unable to swallow, too young, unconscious or vomiting consistently.