中国成都室内外灰尘和 PM10 中有机磷和溴化阻燃剂的粒度分布及暴露评估。
Grain size distribution and exposure evaluation of organophosphorus and brominated flame retardants in indoor and outdoor dust and PM10 from Chengdu, China.
机构信息
College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
出版信息
J Hazard Mater. 2019 Mar 5;365:280-288. doi: 10.1016/j.jhazmat.2018.10.082. Epub 2018 Oct 29.
To investigate overall pollution and potential risk of 32 targets (11 PBDEs, 8 NBFRs, and 13 OPFRs) in indoor and outdoor environments, dust and PM10 samples were sampled from non-occupational and occupational zones in Chengdu, China. ∑Cl-OPFRs, BDE-209, and DBDPE were the dominant constitutes in both the non-occupational and occupational dust. Regarding the PM10, no significant differences were found between the kitchen and the living room for studied OPFRs except TDCIPP, and TCEP, TCPP, TEHP, and TCP displayed significant correlation among the kitchen, the living room and personal samples. Profiles of the OPFRs in the PM10 from occupational areas presented great variation and ranked as: ∑Aryl-OPFRs < ∑Alkyl-OPFRs < ∑Cl-OPFRs. The estimated daily intakes (EDIs) of the investigated FRs via dust suggested dust ingestion and inhalation were the main exposure route to FRs, and the total of EDIs were at least one order of magnitude lower than reference data, indicating a low risk for the general public in Chengdu. However, with increasing usage of FRs in daily goods, a long-term monitoring should be conducted.
为了研究室内和室外环境中 32 种目标污染物（11 种 PBDEs、8 种 NBFRs 和 13 种 OPFRs）的整体污染情况和潜在风险，本研究从中国成都的非职业和职业区域采集了灰尘和 PM10 样本。在非职业和职业灰尘中，∑Cl-OPFRs、BDE-209 和 DBDPE 是主要成分。关于 PM10，研究的 OPFRs 除 TDCIPP 外，在厨房和客厅之间没有显著差异，而 TCEP、TCPP、TEHP 和 TCP 在厨房、客厅和个人样本之间存在显著相关性。职业区域 PM10 中的 OPFRs 分布差异较大，排列顺序为：∑Aryl-OPFRs <∑Alkyl-OPFRs <∑Cl-OPFRs。通过灰尘摄入估计的 FRs 每日摄入量（EDIs）表明，灰尘摄入和吸入是 FRs 的主要暴露途径，而 EDIs 的总和至少比参考数据低一个数量级，这表明成都普通公众面临的风险较低。然而，随着 FRs 在日常用品中的使用不断增加，应该进行长期监测。
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