L4.1 Cleaning quality management
Professional cleaning organizations should set up a special quality management department, establish and improve the whole process of air conditioning air duct system cleaning quality management rules and regulations, and cleaning project files, data retention system, to develop the organization's specific cleaning procedures, cleaning quality assurance measures, self-testing methods.
L4.2 Safety management
Professional cleaning organizations should develop a strict safety management system, including on-site safety officers, on-site staff personal safety, personnel protection, equipment safety, environmental protection, pollutant treatment system.
L4.3 Safety Measures
Professional cleaning organizations should provide on-site cleaning staff with the necessary personal safety protection equipment, personal protective equipment, equipment, electricity and gas safety protection devices.