Looks like 5 guys (Bolleter, Frank, Lindau, Schweitzer, Troskot) will make it. They will be able to bring up to 4 relay only swimmers as well.
Link to the list here:
http://usaswimming.org/_Rainbow/Documents/c15ab09a-c5c5-41ac-a2b8-cc86c4c8d28d/NCAA%20DI%20Men%20-%20Preselections%20Entry%20List.pdf
Link to the list here:
http://usaswimming.org/_Rainbow/Documents/c15ab09a-c5c5-41ac-a2b8-cc86c4c8d28d/NCAA%20DI%20Men%20-%20Preselections%20Entry%20List.pdf