GB 50325-2020 Translated English of Chinese Standard. (GB50325-2020): Standard for indoor environmental pollution control of civil building engineeringhttps://www.chinesestandard.net, 6. mar. 2022 - 51 sider This standard is formulated, in order to prevent and control indoor environmental pollution, which is caused by main materials and decoration materials, in civil construction projects; protect public health; safeguard public interests; achieve advanced technology and economical rationality. |
Indhold
Inspection and acceptances | 25 |
Appendix B Measurement of content of formaldehyde and VOC emission | 33 |
Explanation of wording in this standard | 49 |
Almindelige termer og sætninger
5t per batch acetylacetone activated carbon ammonia batch of products benzene building engineering carbon black category I civil chromatograph civil buildings civil construction projects component composite adsorption tube construction adhesive current national standard decorating and refurbishing decoration materials decoration of civil environmental pollutant concentration environmental pollution control environmental test chamber ether porous polymer ethylbenzene floor flow rate following requirements free formaldehyde emission gas chromatography GB/T greater group-batching is 5t harmful substances Henan indoor air indoor environmental pollution instrument interior decoration internal exposure index L/min less than 5t Limit of harmful main building materials materials and decoration measurement method measurement results measuring points meet the following method shall comply Ministry of Housing national standard Limit polyurethane radionuclides radon exhalation rate refurbishing materials relevant provisions soil radon concentration standard adsorption tube temperature test report tested block toluene TVOC ventilation volatile organic compounds wallpaper cloth wood-based panels wood-plastic xylene