Sterile Processing Exam: Get sterile processing technicians near you. The programme offered by the International School of Nursing includes 86 hours of theory, 34 hours of skills lab, and 200 hours of clinical externship. The curriculum is designed to give qualified persons the chance to gain the necessary information, attitudes, and abilities to become safe and competent Sterile Processing technicians. For detailed information, Call (707) 557-7173.