Harm from Residential Indoor Air Contaminants.

Harm from Residential Indoor Air Contaminants.
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DOI:
10.1021/acs.est.3c07374
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发表时间:
2024-01-09
影响因子:
11.4
通讯作者:
Sherman, Max H.
Sherman, Max H.
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Morantes, Giobertti;Jones, Benjamin;Molina, Constanza;Sherman, Max H.

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这项研究提出了一种以健康为中心的方法,用伤残调整寿命年(DALY)来量化和比较室内空气污染物造成的慢性危害。其目的是了解住宅中空气污染物造成的长期危害,并确定危害最大的是什么。人口发病率和死亡率的流行病学和毒理学证据被用来确定危害强度,这是每单位污染物浓度的慢性危害的度量。不确定度是通过住宅中常见的45种室内空气污染物的浓度来评估的。慢性危害从危害强度和危害浓度两个方面进行估算。居室内最具危害性的污染物是PM2.5、PM10-2.5、NO2、甲醛、氡和臭氧,占2200 DALY/105人/年总危害中位数的99%以上。住宅中所有空气污染物造成的慢性危害占所有疾病造成的全球总负担的7%。这项研究旨在利用危害强度指标量化室内空气污染物造成的慢性危害,并确定住宅中最有害的污染物,并提出一个危害预算来规范可接受的室内空气质量。
This study presents a health-centered approach to quantify and compare the chronic harm caused by indoor air contaminants using disability-adjusted life-year (DALY). The aim is to understand the chronic harm caused by airborne contaminants in dwellings and identify the most harmful. Epidemiological and toxicological evidence of population morbidity and mortality is used to determine harm intensities, a metric of chronic harm per unit of contaminant concentration. Uncertainty is evaluated in the concentrations of 45 indoor air contaminants commonly found in dwellings. Chronic harm is estimated from the harm intensities and the concentrations. The most harmful contaminants in dwellings are PM2.5, PM10–2.5, NO2, formaldehyde, radon, and O3, accounting for over 99% of total median harm of 2200 DALYs/105 person/year. The chronic harm caused by all airborne contaminants in dwellings accounts for 7% of the total global burden from all diseases. This study aims to quantify chronic harm from indoor air contaminants using a harm intensity metric and identify the most harmful contaminants in dwellings and propose a harm budget to regulate acceptable IAQ.
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