From what I have read your bottles should be safe at 3.5 to 4 volumes of CO. You are right at 3.4 so should not have any bombs. Your beer will be overcarbed for the style though.
On tap: World wide lager, Dopelbock, Apfelwein, American Wheat, DFH 90, Dortmunder export, Skeeterpee, Chinook/Citra ipa.
Waiting on a tap. Maibock, Two Hearted, Pliny the elder, Chimay White, Roggenbrier, DFH60
Hiding in dark corner: Lambic, Flanders red, Oud Bruin, DFH 120(in bottles)