CHATSWORTH, Calif.--(BUSINESS WIRE)--North American Scientific, Inc. (Nasdaq:NASM) announced today that it will issue results for the third quarter of fiscal year 2008, which ended July 31, 2008, at market close on Thursday, September 11, 2008. The Company will host an investor conference call to review its third quarter fiscal year 2008 financial results and latest corporate developments, beginning at 1:30 p.m. PDT/4:30 p.m. EDT on Thursday, September 11, 2008. The dial-in number for the conference call is 866-383-8108 for domestic participants and 617-597-5343 for international participants, using the pass code 61406061.