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  • Title: [Analysis and research on cleaning points of HVAC systems in public places].
    Author: Yang J, Han X, Chen D, Jin X, Dai Z.
    Journal: Wei Sheng Yan Jiu; 2010 Mar; 39(2):258-61. PubMed ID: 20459050.
    Abstract:
    OBJECTIVE: To analyze cleaning points of HVAC systems, and to provides scientific base for regulating the cleaning of HVAC systems. METHODS: Based on the survey results on the cleaning situation of HVAC systems around China for the past three years, we analyzes the cleaning points of HVAC systems from various aspects, such as the major health risk factors of HVAC systems, the formulation strategy of the cleaning of HVAC systems, cleaning methods and acceptance points of the air ducts and the parts of HVAC systems, the onsite protection and individual protection, the waste treatment and the cleaning of the removed equipment, inspection of the cleaning results, video record, and the final acceptance of the cleaning. RESULTS: The analysis of the major health risk factors of HVAC systems and the formulation strategy of the cleaning of HVAC systems is given. The specific methods for cleaning the air ducts, machine units, air ports, coil pipes and the water cooling towers of HVAC systems, the acceptance points of HVAC systems and the requirements of the report on the final acceptance of the cleaning of HVAC systems are proposed. CONCLUSION: By the analysis of the points of the cleaning of HVAC systems and proposal of corresponding measures, this study provides the base for the scientific and regular launch of the cleaning of HVAC systems, a novel technology service, and lays a foundation for the revision of the existing cleaning regulations, which may generate technical and social benefits to some extent.
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