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GB 27948-2020 English PDF (GB 27948-2011)

GB 27948-2020_English: PDF (GB27948-2020)
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GB 27948-2020English145 Add to Cart 0--9 seconds. Auto-delivery General requirements for air disinfectant Valid GB 27948-2020
GB 27948-2011English110 Add to Cart 0--9 seconds. Auto-delivery Hygienic requirements for air disinfectant Obsolete GB 27948-2011


BASIC DATA
Standard ID GB 27948-2020 (GB27948-2020)
Description (Translated English) General requirements for air disinfectant
Sector / Industry National Standard
Classification of Chinese Standard C59
Classification of International Standard 11.080
Word Count Estimation 10,154
Date of Issue 2020-04-09
Date of Implementation 2020-11-01
Drafting Organization Chinese Center for Disease Control and Prevention Environmental and Health-related Product Safety Institute, Hunan Provincial Center for Disease Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Chinese People's Liberation Army Center for Disease Control and Prevention, Chinese People's Liberation Army General Hospital, Shanghai Center for Disease Control and Prevention, Chinese People's Liberation Army PLA Air Force Characteristic Medical Center, Xinjiang Uygur Autonomous Region Center for Disease Control and Prevention, Hunan Provincial Health Commission Comprehensive Supervision Bureau, Shenzhen Center for Disease Control and Prevention
Administrative Organization National Health Commission of the People's Republic of China
Proposing organization National Health Commission of the People's Republic of China
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB 27948-2011 (GB27948-2011)
Description (Translated English) Hygienic requirements for air disinfectant
Sector / Industry National Standard
Classification of Chinese Standard C59
Classification of International Standard 11.080
Word Count Estimation 6,669
Date of Issue 2011-12-30
Date of Implementation 2012-05-01
Quoted Standard GB 1616; GB 19104; disinfection technical specifications Ministry of Health, 2002; disinfection product label instructions management practices Ministry of Health 2005
Drafting Organization PLA Disease Control and Prevention
Administrative Organization Ministry of Health
Regulation (derived from) Announcement of Newly Approved National Standards No. 23 of 2011
Proposing organization People's Republic of China Ministry of Health
Issuing agency(ies) Ministry of Health of People's Republic of China; Standardization Administration of China
Summary This Chinese standard relates to indoor air disinfection common technical requirements disinfectant to kill microbiological requirements, security requirements, and to use, test methods, labels and instructions, use precautions. This standard applies to kill microorganisms in the air for the purpose, and can achieve disinfection requirements for indoor air disinfectant. This standard does not apply to indoor surface disinfection in order to achieve the purpose, both air disinfection disinfectant.


GB 27948-2020 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 11.080 C 50 Replacing GB 27948-2011 General Requirements for Air Disinfectant ISSUED ON: APRIL 09, 2020 IMPLEMENTED ON: NOVEMBER 01, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of PRC. Table of Contents Foreword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Terms and Definitions ... 5 4 Requirements of Raw Materials ... 6 5 Technical Requirements ... 6 6 Inspection Methods ... 7 7 Use Methods ... 7 8 Label, Instruction Manual and Precautions ... 7 Appendix A (Normative) Identification Test of the Air Disinfectant Neutralizer . 9 Appendix B (Normative) Metal Corrosion Test ... 12 General Requirements for Air Disinfectant 1 Scope This Standard specifies the requirements of raw materials, technical requirements, inspection methods, use methods, label instruction manual and precautions for the disinfectants used for indoor air disinfection. This Standard is applicable to indoor air disinfectants for the major purpose of killing microorganisms in the air, and can meet the requirements of disinfection. 2 Normative References The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 26366 Hygienic Standard for Chlorine Dioxide Disinfectant GB/T 26371 Hygienic Standard for Peroxide Disinfectants Technical Standard for Disinfection (2002 Edition) [Ministry of Health (WFJF (2002) No.282)] 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 Air disinfection Use disinfectant to kill pathogenic microorganisms suspended in the air in the closed room, so as to achieve harmless treatment. 3.2 Air disinfectant Disinfectant used for air disinfection. 3.3 Aerosol sprayer The sprayer that may occur the atomized particle diameter range below 50μm, of which 5.3.2 Metal corrosion The metal corrosion test shall be carried out, and the corrosion level shall be indicated in the instruction manual of the product. 6 Inspection Methods 6.1 Test of physical and chemical indicators It shall be carried out as per the provisions of relevant standard. 6.2 Evaluation method of disinfection effect Test according to the relevant provisions of Technical Standard of Disinfection (2002 Edition); thereof, the identification test method of air disinfectant neutralizer can refer to Appendix A. 6.3 Safety inspection method 6.3.1 Inspection methods of toxicological indicators Test according to the relevant provisions of Technical Standard of Disinfection (2002 Edition). 6.3.2 Inspection method of metal corrosion Inspect according to Appendix B. 7 Use Methods Disinfection may be conducted by aerosol spray, heating vaporization fumigation or gas fumigation. 8 Label, Instruction Manual and Precautions 8.1 The label and instruction manual of the product shall comply with the requirements of the relevant specifications and standards of the disinfectant product label instruction manual, and shall indicate that it can only be used for air disinfection under unmanned conditions. 8.2 When preparing and using the air disinfectant, pay attention to the personal protection; wear the protective mark, protective glasses and protective gloves. If necessary, use the comprehensive respirator. If inadvertently contact, immediately use Appendix A (Normative) Identification Test of the Air Disinfectant Neutralizer A.1 Neutralizer test for liquid impact sampling method A.1.1 Scope of application This method is suitable for evaluation test of 1m3 aerosol cabinet disinfection effect, the sampler is a liquid impact sampler. A.1.2 Preparation of bacterial suspension Take the fresh culture (18h~24h) of the nutrient agar medium slant of Staphylococcus albicans (8032) (3rd generation to 8th generation); use a 5.0mL pipette to take 3.0mL~5.0mL of nutrient broth into the slant test tube; and repeat pressure-vacuum; wash off the bacterial lawn; filter by sterile absorbent cotton; then dilute with nutrient broth to a test bacterial suspension with a concentration of 5×103 CFU/mL ~ 3×104 CFU/mL. A.1.3 Neutralizer identification tests are conducted in three groups A.1.3.1 Group 1: According to the amount of disinfectant required in the instruction manual, spray hard water in a 1m3 aerosol cabinet; after affecting to the disinfection time, immediately use a liquid impact sampler containing 10mL of neutralizer for sampling (sampling volume is consistent with the sampling volume of the pre-setting disinfection effect identification test); then affect for 10min. Pipette 0.1mL of the test bacterial suspension in the above neutralizer solution for counting the live bacteria culture. A.1.3.2 Group 2: According to the amount of disinfectant required in the instruction manual, spray the air disinfectant in a 1m3 aerosol cabinet. After affecting to the disinfection time, immediately use a liquid impact sampler containing 10mL of neutralizer for sampling (sampling volume is consistent with the sampling volume of the pre-setting disinfection effect identification test); then affect for 10min. Pipette 0.1mL of the test bacterial suspension in the above neutralization product solution for counting the live bacteria culture. A.1.3.3 Group 3: According to the amount of disinfectant required in the instruction manual, spray hard water in a 1m3 aerosol cabinet. After affecting to the disinfection time, immediately use a liquid impact sampler containing 10mL of sampling liquid for sampling (sampling volume is consistent with the sampling volume of the pre-setting disinfection effect identification test); then affect for 10 minutes. Pipette 0.1mL of the airtightness and ventilation conditions) of a pair of aerosol cabinets or aerosol chambers shall be consistent. The cabinet (or chamber) should be constructed of stainless steel or aluminum alloy and glass. Temperature and humidity control devices, ventilator devices and corresponding pipes shall be installed. B.4.2 Sample placement B.4.2.1 Three pieces of samples are hanged in sequence along the inner, middle and outer equidistant of a diagonal side of the aerosol cabinet or aerosol chamber. The suspension height in the aerosol cabinet shall be the sample is located in the height center of the aerosol cabinet. The suspension height in the aerosol chamber is 0.8m ~ 1.2m above the ground. The placement and position of the test group and the control group shall be the same. B.4.2.2 When placing the sample, ensure that the test surface of the sample is not to be directly sprayed. B.4.2.3 The bracket of the sample shall be made of inert non-metallic materials, such as glass, plastic or coated wood products. The material where the sample is hanged shall use man-made fiber, cotton fiber or other inert insulating materials. B.4.3 Test procedure B.4.3.1 Simultaneously adjust the temperature and relative humidity of two aerosol cabinets (or chambers) to the temperature (20°C~25°C) and relative humidity (70%~80%) required by the test. B.4.3.2 Place the samples for test group and control group according to the requirements of B.4.2. B.4.3.3 The test group prepares the required disinfectant solution according to the volume of the aerosol cabinet (or room) and as per the instruction manual (concentration and used amount) of the disinfectant product, and the number of cycles. Calculate the spray time according to the flow rate of the spray device; the disinfecting machine shall adjust the parameters according to the instruction manual and cycle time; set the start-up time. If using and preparing a disinfectant that is unstable, such as oxidation, etc., it shall be prepared on the day of use. B.4.3.4 Connect the spray device or disinfection machine and ventilation device to the intelligent timing socket or switch; according to each cycle time (the cycle time is the sum of spraying or starting time, disinfection time and 30min ventilation time after disinfection) and 45 cycles, set intelligent timing socket or switch. Turn on the switch to process the sample cyclically. B.4.3.5 After the end of the cycle, take out the metal pieces; and respectively clean and weigh the samples according to the requirements of the Technical Standard for ......


GB 27948-2011 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 11.080 C 59 Hygienic Requirements for Air Disinfectant ISSUED ON: DECEMBER 30, 2011 IMPLEMENTED ON: MAY 01, 2012 Issued by: Ministry of Health of PRC; Standardization Administration of PRC. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 4 4 Technical Requirements for Common Disinfectants ... 5 5 Test Methods ... 6 6 Use Methods ... 6 7 Labels and Instructions ... 7 8 Precautions for Use ... 7 Hygienic Requirements for Air Disinfectant 1 Scope This Standard specifies the technical requirements, killing microorganism requirements, safety requirements, use, test methods, labels and instruction manual, and precautions for common disinfectants used for indoor air disinfection. This Standard is applicable to indoor air disinfectants for the purpose of killing microorganisms in the air, and can meet the requirements of disinfection. This Standard is not applicable to disinfectants for the purpose of the disinfection of objects in the laboratory, and have the function of air disinfection. 2 Normative References The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB 1616 Hydrogen Peroxide for Industrial Use GB 19104 Peracetic Acid Solution Technical Standard for Disinfection (2002); Ministry of Health Management Practices for Label and Instruction Book of Disinfection Products (2005); Ministry of Health 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 Air disinfection Use disinfectant to kill pathogenic microorganisms suspended in the air in the closed room, so as to achieve harmless treatment. 3.2 Air disinfectant Formulation for killing pathogenic microorganisms in the air to achieve disinfection requirements. 3.3 Aerosol sprayer The sprayer that may occur the atomized particle diameter range below 50μm, of which the atomized particles whose diameter is less than 20μm account for more than 90%, and the spray flow rate is above 100mL/min. 3.4 Fumigation disinfection Use the disinfectant gas to kill pathogenic microorganisms in closed spaces, so as to achieve harmless treatment. 4 Technical Requirements for Common Disinfectants 4.1 Requirements of physical and chemical indicator 4.1.1 The physical and chemical indicators such as the content of active ingredients of disinfectant, pH value, etc. shall satisfy the relevant standards of product quality. Peracetic acid shall meet the requirements of GB 19104; while hydrogen peroxide shall meet the requirements of GB 1616. 4.1.2 Stability requirements: the decline rate of effective composition for the liquid disinfectant during the effective period of the product shall be ≤15%; the decline rate of effective composition content for the solid disinfectant during the effective period of the product shall be ≤10%. 4.1.3 Residues after disinfection and residual toxicity in the environment shall meet the requirements of relevant national standards and regulations. 4.1.4 During the disinfection process, combustion and explosion are not easy to occur. 4.2 Requirements for killing microorganisms 4.2.1 In the laboratory sterilization test or disinfection simulation field test, when using aerosol spray method for disinfection, the dosage of disinfectant shall be ≤10mL/m3. Under the conditions of 20°C~25°C, relative humidity of 50%~70%, the effect is ≤1h, then the killing rate of Staphylococcus albicans in the air shall be ≥99.9%. 4.2.2 Under the natural conditions on site, when using aerosol spray method for disinfection, the dosage of disinfectant shall be ≤10mL/m3. When the effect is ≤1h, the decay rate of natural bacteria in the air shall be ≥90.0%. ......

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