EXHIBIT 16 SEMPLE, MARCHAL & COOPER, UP BDO CERTIFIED PUBLIC ACCOUNTANTS AND CONSULTANTS IDMAN =============================================================== ALLIANCE 2700 NORTH CENTRAL AVENUE, NINTH FLOOR, PHOENIX, ARIZONA 85004 o TEL 602-241-1500 o FAX 602-234-1867 June 22, 2009 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Commissioners: We have read the statements made by Oncologix Tech, Inc., which we understand will be filed with the Commission, pursuant to Item 4.01(a) of Form 8-K. We agree with the statements concerning our Firm in such 8-K as contained in Item 4.01(a). As to all other items, we have no knowledge. Sincerely, /s/ Semple, Marchal, & Cooper, LLP - --------------------------------------- Semple, Marchal, & Cooper, LLP