How to choose an antivirus mask suitable for the working environment

Correctly choose the dust mask suitable for the working environment:

1. National regulatory documents

Article 6 of Order No. 1 of the State Administration of Work Safety Supervision and Administration stipulates: “Special labor protection articles shall be subject to safety sign management”.

2, safety signs

Each product should be affixed with national safety signs. The safety sign number of the product is printed on the safety sign. According to this number, the product can be checked on the official website of the State Administration of Work Safety.

3, safety sign certificate

When an enterprise group or individual purchases respirator masks, they have the right to request the seller to provide the original and copy of the “Special Labor Protection Articles Safety Sign Certificate” issued by the State with the anti-counterfeiting label. The product name, product category, and logo number are printed on the copy of the certificate. It can be found on the website of the official website of the State Administration of Work Safety.

4. Annual inspection report of safety signs

The seller needs to provide the “Annual Inspection Report on Safety Signs” that is valid for the product within one year from the “National Safety Production Beijing Labor Protection Products Testing and Inspection Center”. Through this inspection report, it can be seen whether the product is qualified or not, and the product The protection level, filtration efficiency and other relevant standards and product data after testing.

5. Compare with the national occupational hazard exposure limits

Finally, it is necessary to check whether the protection level and filtration efficiency of the product are in conformity with the requirements specified in GBZ_2.1-2007 Occupational Exposure Limits for Harmful Factors in the Workplace. For example: GBZ_2.1-2007 "Occupational Exposure Limits for Harmful Factors in the Workplace" stipulates that the exposure limit for dust in the coal industry is: 2mg/m3. In an environment where the dust concentration in the workplace is 1000 mg/m3, the wearer should choose a dust respirator with a filter efficiency greater than 99.97%. The calculation formula is: "The dust concentration in the operating environment x (100% - product filtration efficiency) = the total amount of dust inhaled by the wearer."

6, review

In summary, correct selection of dust masks should confirm the following:

(1) Whether it is affixed with a safety sign (2) Verification of a safety sign certificate (3) Inspection report for the annual review of the product (4) The efficiency of wearing the product should meet the GBZ_2.1-2007 "Occupational Exposure Limits for Harmful Factors in the Workplace" prescribed by the State. The standard. If you can correctly use the national regulations to identify and ensure that the dust mask you wear meets the above national standards, you can effectively protect your life safety and good health!

China Labor Insurance Network