Microbial contamination monitoring of public places in Tongzhou district,Beijing,2016-2021
Objective To understand the environmental quality of public places and the sanitary status of public supplies in Tongzhou district,Beijing,and provide the scientific data support for health supervision and management.Methods 677 public places such as hotels,beauty salon and public bathrooms in Tongzhou district from 2016 to 2021 were chosen for the hygienic test.Results The qualified rate of the total number of bacteria in indoor air of public places was 97.72%(1 331/1 362),and the differences were significant among the different type public places(P<0.05).The all air supply test qualification rate of air conditioner was 100%.The qualified rate of total bacteria,Escherichia coli and Staphylococcus aureus were 81.39%,100%and 100%respectively in smeared samples of textile,sanitary ware,tea set,hairdressing tools.There was a statistically significant difference in the qualified rate of the total number of bacteria between different types of public appliances(P<0.05).Conclusion Microbial sanitation of public supplies and utensils meets national standards in Tongzhou district,Beijing.The quantitative and hierarchical management of health supervision in public places should continue to be promoted,and the supervision and monitoring strengthened.
Public placesPublic supplies utensilsHealth monitoringThe total number of bacteriaFecal coliform