the only thing I'd caution re: using compressed air is to be careful that the compressed air doesn't come out at such a speed as to cause cooling and condensate of the area being blown.
Been there, done that with a neg and took a while to get rid of the little water droplet spots afterwards. <laugh> ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body