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INFLUENCE OF EMISSIONS FROM HARDCOPY DEVICES TO INDOOR AIR QUALITY

机译：硬设备排放对室内空气质量的影响

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Hardcopy devices like printers, copiers and multifunctional devices contribute to indoor air pollution. Low emitting devices can be labelled with the eco label "Blue Angel" which limits emissions of benzene, styrene,TVOC, dust and ozone. Results are given for nearly sixty different devices investigated during the years 2003 and 2004. The organic compounds were analysed using Tenax / Thermal desorption and GC-MS. Additionally to TVOC, benzene and styrene further informations are presented for other VOC like phenol, xylenes and some VVOC. The typical VOC shown emission rates of up to some mg/h but some more uncommon VOC like siloxanes were found in a comparable range also. In some cases unidentified compounds appeared with high emission rates. The measured emission rates were taken to calculate indoor air concentrations for typical situations taking into account that normally printing is limited to less than 10 % of the working day whereas emissions from the stand by phase occur all day long.
机译：硬拷贝设备（例如打印机，复印机和多功能设备）会造成室内空气污染。低排放设备可以贴有生态标签“ Blue Angel”，以限制苯，苯乙烯，TVOC，粉尘和臭氧的排放。给出了在2003年和2004年研究的近60种不同设备的结果。使用Tenax /热脱附和GC-MS分析了有机化合物。除TVOC外，还提供了苯和苯乙烯的其他VOC的其他信息，如苯酚，二甲苯和某些VVOC。典型的VOC排放速率高达约mg / h，但在可比范围内也发现了一些不常见的VOC（如硅氧烷）。在某些情况下，未鉴定的化合物以高排放速率出现。考虑到正常情况下打印限制在工作日的10％以下，而整天待命的排放则考虑到了典型情况下测得的排放速率，以计算室内空气浓度。

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