At Yoma 41a, there is a discussion regarding the appropriate offering for someone who causes the Temple to become Tamei (ritually impure)? But what are we talking about becoming tamei? The utinsels ...
The Gemara says that we make the Kohen burning the Para Aduma (the red heifer) impure and then dip him in the Mikva. The reason given is that there is an argument between the Rabbis and the Sadducees ...