Chainsaw Safety Training -. This course is an OSHA-Compliant training online class and is I-CAB recognized. It covers basic chainsaw safety as it relates to tree trimming, disaster clean-up, forestry and more. This course satisfies OSHA's requirements for the classroom portion of operator safety training. Quiz questions along the way prepare you for the final written exam. Upon completion, gain access to and print off your test, certificate, and a checklist which can be used by your employer to observe you in the field applying what you learned in the classroom.