Standard Operating Procedures (SOPs) for Human Subjects Research & IRB Please note: login credentials for @maine.edu are required to view files for SOPs. Assent SOP (PDF) (external link) Exempt Review SOP (PDF) (external link) Investigation of Non-compliance SOP (PDF) (external link) Principal Investigator (PI) Responsibilities SOP (PDF) (external link) Training and Education SOP (PDF) (external