We have eliminated the oil step and simply use xylene.
We dewax as per normal in the xylene and then blot with blotting 
paper then wash in water for 5-10 minutes.
The results are the same if not better than using vegetable 
oil/turpentine mix we used to use, and a lot less messy
Rosalba Zumbo
Technical Officer ( Scientific)
Institute of Forensic Medicine
Sydney, Australia
Fax 61 2 95664573