Argh, the wife re-arranged the film in the fridge to make room for more food stuffs. In doing so, she placed a recently opened box of 8x10 portra on its side. I opened the fridge to retrieve a beer and found the box had split apart with the outside cover separated from the internal and back lid. Damn. I would like to know if the the film is fogged. Can I develop a sheet of the C-41 in xtol or similar to check for fogging, or do I need to bite the bullet and send a sheet off for proper C-41 developing? Obviously, I don't care about color etc, just want to know if the film was exposed to light. As an aside, I am now the proud owner of my very own dedicated film refrigerator and will soon invest in a supply of large rubber bands!