Investigation and Research of Biological Contamination of HVAC in Public Places
According to the normal method for sampling in the appendix of “The Central Air-Conditioning Ventilation System of Public Health Standard” by the ministry of health in 2006 were the HVAC on-site examined and sampled. The examined indicators include: total number of bacteria, fungus and beta Streptococcus in air supplied outlet, Legion Ella pneumophila in cooling water, the quantity of dust and microbe amounts to each square meter pipeline surface area and other sanitation indexes.
Guangfan Li, Yong Huang and Chaohe Chen
X. Li et al., "Investigation and Research of Biological Contamination of HVAC in Public Places", Advanced Materials Research, Vols. 250-253, pp. 2719-2722, 2011