All cleaning and janitorial employees need to understand chemical hazards because they work with cleaning products that can be dangerous if they are not used correctly.Chemicals such as bleach, disinfectants, degreasers, and floor cleaners can cause skin and eye irritation, burns, and breathing problems or other serious injuries. Employees must read and understand, chemical labels before using a product and follow the manufacturers instruction. They should know the proper personal protective equipments, (PPE) such as gloves, safety glasses, or protective clothing that is require required when handling chemicals. Employees must understand that Cleaning chemicals should never be mixed unless the product instructions specifically say it is safe to do so. mixing certain  chemicals, such as bleach with other cleaning products can create dangerous gases and cause serious injury.                                                                        Chemical safety training also teaches janitorial employees how to properly store , handle, and dispose of cleaning products . Employees should know where safety data sheets( SDSs) are  located and understand the SDSs provide important information about chemical hazards , safe handling, required PPE, first aid, and what to do in case of spill or exposure. Chemicals should be kept in properly labeled containers and stored  according to workplace procedures.Employees should also know how to respond to spills an accidental exposure and report unsafe conditions to their supervisor. Understanding chemical hazards protects the employee ,Coworkers ,building occupants and the public. By following safety procedures using the correct PPE,  reading labels and SDSs ,and handling chemicals properly janitorial employees can help prevent accidents, injuries, and harmful chemical exposure in the workplace.