Airborne PCB Concentrations in Portland, Oregon: Emissions and Contributions from the Portland Harbor Superfund Site [0.03%]
俄勒冈波特兰地区的PCB浓度及其超基金站点的排放贡献研究
Alexis R Slade,Andres Martinez,Martine E Mathieu-Campbell et al.
Alexis R Slade et al.
We investigated airborne concentrations of polychlorinated biphenyls (PCBs) near the Portland Harbor Superfund Site (PHSS), a historical and culturally significant location. In collaboration with residents, we measured airborne PCBs using p...
Changes in Volatile Organic Compound Composition from an Oxidation-Based Air Cleaner [0.03%]
基于氧化作用的空气净化器使用过程中挥发性有机化合物浓度的变化
Qing Ye,Isabel S Albores,Seamus C Frey et al.
Qing Ye et al.
Air cleaning devices, or "air cleaners", have the potential to improve indoor air by decreasing levels of air pollutants, including volatile organic compounds (VOCs), in indoor environments. Many commercial air cleaners aimed at removing VO...
Toward Accurate Real-Time Bioaerosol Monitoring in the Particle Size Range 1 μm-70 μm [0.03%]
朝向准确的实时生物气溶胶监测(颗粒物大小范围1μm-70μm)
Konstantina Vasilatou,Christina Giannakoudaki,Reto Abt et al.
Konstantina Vasilatou et al.
Bioaerosols can affect human and plant health as well as climate. New automatic bioaerosol monitors capable of detecting and classifying pollen and fungal spores in real time have recently been developed, revolutionizing the way how data ar...
Katharina Meixner,Thomas Wagenhäuser,Tanja J Schuck et al.
Katharina Meixner et al.
Sulfur hexafluoride (SF6) is a highly potent greenhouse gas with a Global Warming Potential (GWP) of 24,700 over 100 years and is globally mainly used as an electrical insulator in switchgear. Several measurement networks have tracked SF6 f...
Comparison of Landfill Methane Emission Quantification Using Multiple Observation Methods [0.03%]
基于多种观测手段的填埋场甲烷排放量对比研究
Lawson D Gillespie,Sebastién Ars,Cassandra Worthy et al.
Lawson D Gillespie et al.
Quantifying facility-level methane (CH4) emissions is an important task for measuring progress toward net zero and carbon emission reduction targets. Landfills are a significant source of anthropogenic CH4 emissions in Canada. Quantifying C...
Biogenic Volatile Organic Compounds from Pennsylvanian Lakes Sampled during the 2024 Algal Bloom Season [0.03%]
2024年藻华季节采集的 pennsylvanian 湖泊生物源挥发性有机化合物
Christine Troller,Dallan Schoenberger,Richard Spear et al.
Christine Troller et al.
Biogenic volatile organic compounds (BVOCs) emitted from aquatic systems are increasingly recognized for their influence on atmospheric chemistry. However, emissions from freshwater environments, specifically during harmful algal bloom (HAB...
Simultaneously Characterizing the Volatility Distribution and Phase State of Submicron Secondary Organic Aerosols Using a Vocus Vaporization Inlet for Aerosols with a Chemical Ionization Mass Spectrometer [0.03%]
基于VOCUS汽化进样的化学电离质谱表征亚微米二次有机气溶胶的 volatility 分布和相态分布
Sining Niu,Kyle P McCary,Mitchell Alton et al.
Sining Niu et al.
Volatility and viscosity are important parameters affecting the formation, reaction, and fate of atmospheric organic aerosols. In this study, a Vaporization Inlet for Aerosol (VIA) coupled with a Vocus chemical ionization mass spectrometer ...
Rapid Photolysis of Gaseous Organic Nitrates Formed from Hydroxyl and Nitrate Radical Oxidation of α‑Pinene and β‑Pinene [0.03%]
α-蒎烯和β-蒎烯经羟基和硝酸根自由基氧化形成气态有机硝酸酯的快速光解
Masayuki Takeuchi,Yuchen Wang,Nga L Ng
Masayuki Takeuchi
Photolysis of gaseous organic nitrates is crucial for understanding the formation and fate of air pollutants such as nitrogen oxides (NO x ) and ozone (O3). Monoterpenes are prevalent biogenic volatile organic compounds (VOCs), greatly cont...
The Efficacy of Methane Leak Detection and Repair (LDAR) Programs in Practice [0.03%]
甲烷泄漏检测与修复(LDAR)项目实际效力几何
Shona E Wilde,David R Tyner,Matthew R Johnson
Shona E Wilde
Periodic leak detection and repair (LDAR) surveys are a key part of most modern oil and gas sector methane regulations, however their effectiveness in real-world practice has been difficult to assess. This study analyzes three years of repo...
Wildland-Urban Interface (WUI) Smoke Yields of Nonmethane Organic Gases from Combustion of Small-Scale Residential Building Surrogates [0.03%]
小规模住宅建筑代表物燃烧产生的非甲烷有机气体对城乡交界地区烟雾的贡献研究
Michael F Link,Aika Y Davis,Nathan M Lima et al.
Michael F Link et al.
At the wildland-urban interface (WUI) structural fires can generate nonmethane organic gases (NMOGs) from burning urban fuels like structural lumber, plastics, and carpet. These NMOGs can contaminate nearby homes and affect indoor air quali...