Welcome Safety Professionals! SPAN® CertBoK™ is an interactive, online Certification Management System (CMS). This expert learning tool helps safety, health and environmental (SH&E) professionals prepare for certification exams offered by the Board of Certified Safety Professionals (BCSP) and the Institute for Hazardous Materials Management (HMM). SPAN® clients have special access to a wealth of proprietary, research-based content specific to each certification examination. CertBok® delivers the essential knowledge required to successfully pass certification exams. Clients have access to targeted exam preparation reference materials, study sessions and practice exams that mirror materials included in our live workshops. CertBok® not only delivers training, it enables learners to receive certification news, upload outside training certificates and track CEUs.