Sanitary Status in Public Places of Xicheng District in Beijing

Objectives To investigate the sanitary status in public places of Xicheng district, in order to strengthen sanitary supervision and management, as well as to provide scientific standard for insuring the security of public places.

Methods All procedures for collecting, reserving, examining and evaluating data were following the methods in GB/T 17220-1998, GB/T 18204.1~18204.30-2000, GB 9663~9673-1996 and DB 11/485-2011.

Results The qualified rate for public appliance was the highest (98.6%), but the total bacteria counts were unqualified. The qualified rate for indoor air quality was closed to the sanitary status of central air conditioning system.

Conclusions The effect of disinfection on public appliance was very well. The concentration of formaldehyde in public places should be reduced by increasing fresh air and placing green plants and the disinfection of cooling tower in central air conditioning system should be strengthened.