Discuss the hazard communication (HazCom) program at your current organization or one you used to work for

Discuss the hazard communication (HazCom) program at your current organization or one you used to work for. What do you think works, and what needs to be improved? If you do not currently work for an organization that has a HazCom program, discuss which element of a HazCom program you believe would be the most difficult to implement.