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SUPPLEMENTARY MATERIAL for Assessment of exposure determinants and exposure levels by using stationary concentration measurements and a probabilistic Near-Field/Far-Field exposure model

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NIAID Data Ecosystem2026-03-12 收录
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Table of contents Text S1. Terminology according to ECHA R.14                                                                         3 Text S2. Data requirements for exposure modeling and emission source characterization      4 Text S3. Generation rate                                                                                                            6 Text S4. Air mixing flow rate between NF and FF, β                                                                   7 S4.1 Brief description of a Near-Field/Far-Field (NF/FF) model                                                  7 S4.2 Approximation methods                                                                                                       7 S4.3 Approximation methods applicability for powder pouring measurements                            8 S4.4 Setting the mean random air speed and near field volume flow rate                                   8 References                                                                                                                                   9 Appendix S1. Simulation of NF flow rate                                                                                     10 Appendix S2. No. 1: Observed scenario                                                                                     12 Appendix S3. No. 2: G range increased by ×2                                                                            15 Appendix S4. No. 3: β decreased by ×2                                                                                      18 Appendix S5. No. 4: AER reduced by ×5 to 0.4 to 1.6 1/h                                                           21 Appendix S6. No. 5: A small room (Vroom = 100 m3)                                                                   14 Appendix S7. No. 6: NF including LEV at 9.6 m3/min                                                                  27 Appendix S8. No. 7: A large room (Vroom = 10 000 m3)                                                               31 Appendix S9. No. 8: Worst-case: G increased, β decreased, AER decreased and small room   34 (Vroom = 100 m3)

目录 文本S1 符合欧洲化学品管理局(ECHA)R.14条款的术语                             3 文本S2 暴露建模与排放源表征的数据要求                                 4 文本S3 产生速率                                            6 文本S4 近场(Near-Field, NF)与远场(Far-Field, FF)之间的空气混合流量β                7 S4.1 近场/远场(NF/FF)模型简要说明                                 7 S4.2 近似方法                                            7 S4.3 近似方法在粉体倾倒测量中的适用性                                8 S4.4 平均随机空气流速与近场体积流量的设定                             8 参考文献                                               9 附录S1 近场流量模拟                                        10 附录S2 案例1:实测场景                                      12 附录S3 案例2:G范围扩大至原2倍                                 15 附录S4 案例3:β值降至原1/2                                   18 附录S5 案例4:空气交换率(Air Exchange Rate, AER)降至原1/5,范围为0.4~1.6 1/h         21 附录S6 案例5:小型房间(房间体积Vroom=100 m³)                        14 附录S7 案例6:带有局部排气通风(Local Exhaust Ventilation, LEV)的近场场景,排气量为9.6 m³/min 27 附录S8 案例7:大型房间(房间体积Vroom=10000 m³)                       31 附录S9 案例8:极端工况:G值升高、β值降低、空气交换率(AER)下降且为小型房间(Vroom=100 m³) 34
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2021-06-08
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