Since I last wrote I have spoken with the members of our graduate admissions committee and they would like to strongly encourage you to apply. I think it would help if you can re-take the GRE exam, but as things stand they have a favorable impression of your application.
I will be attending the national symposium on chemical thermodynamics at xxx, and will visit your group and Professor xxx either before or more likely after that, so I look forward to seeing you then.