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GB/T 38504-2020 English PDF

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GB/T 38504-2020: Evaluation method of disinfection effect of spray disinfection
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Basic data

Standard ID GB/T 38504-2020 (GB/T38504-2020)
Description (Translated English) Evaluation method of disinfection effect of spray disinfection
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C59
Classification of International Standard 11.080
Word Count Estimation 18,135
Date of Issue 2020-03-06
Date of Implementation 2020-10-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38504-2020: Evaluation method of disinfection effect of spray disinfection

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Evaluation method of disinfection effect of spray disinfection ICS 11.080 C59 National Standards of People's Republic of China Evaluation method of spray disinfection effect 2020-03-06 release 2020-10-01 implementation State Administration of Market Supervision Published by the National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Health Committee of the People's Republic of China. This standard was drafted. China Center for Disease Control and Prevention, Environmental and Health Related Product Safety Institute, Jiangsu Provincial Health Supervision Institute, Hunan Province Center for Disease Control and Prevention, Jiangsu Center for Disease Control and Prevention, and Law Enforcement and Supervision Bureau of Shandong Provincial Health and Health Commission. The main drafters of this standard. Shen Jin, Zhang Liubo, Li Yan, Gu Jian, Chen Guiqiu, Li Tao, Xu Yan, Yuan Qingchun, Duan Hongyang, Zhang Yifan, Sun Wen, Zhu Bin and Sun Huihui. Evaluation method of spray disinfection effect

1 Scope

This standard specifies the evaluation method of spray disinfection effect. This standard applies to the evaluation of disinfection effects of disinfectants and disinfection instruments using spray methods.

2 terms and definitions

The following terms and definitions apply to this document. 2.1 Spray disinfection Through mechanical force or other modes of action, the disinfectant can form water droplets or atomize into aerosols, which can infect the surface of the object or the air. Way of disinfection. 2.2 Confinedmovingsmalspace A relatively closed environment with a volume less than or equal to 20m3.

3 Evaluation principles

3.1 Test group Evaluation of spray disinfection effect includes laboratory test, simulated field test and field test. Laboratory tests are required and simulated field tests And field test is optional. 3.2 Microbial killing indicators 3.2.1 Laboratory test killing microorganism indicators See Table 1 for laboratory test microbiological indicators. Table 1 Microbiological indicators for laboratory tests Use range to indicate the logarithmic value of strain kill Object surface disinfection Staphylococcus aureus (ATCC6538) ≥ 3.00 E. coli (8099) ≥ 3.00 Pseudomonas aeruginosa (ATCC15442) ≥ 3.00 Air disinfection Staphylococcus aureus (8032) ≥ 3.00 If it is marked to have a killing effect on a specific microorganism, the killing test of the microorganism should be performed, and the killing logarithm value is greater than or equal to 3.00. 3.2.2 Microbiological indicators for simulated field tests See Table 2 for indicators of simulated field tests to kill microorganisms.

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