ASP NET C# : Singleton with in Queque and thread worker on it

[EvilTikiGod]

I need to create a single class instance in web application that manage a queque of process. This class have multiple thread inside that look for queque and consume it.What is the best why to do this? I have apply singleton design pattern, but I don't understand if have to create static or normal queque inside it. Some one can give me an example please?