Perfluorooctane sulfonate (PFOS) is a persistent, bioaccumulative, and toxic chemical that has the potential for long-range transport in the environment. Its use in a wide variety of consumer products and industrial processes makes a detailed characterization of its emissions sources very challenging. These varied emissions sources all contribute to PFOS' existence within nearly all environmental media. Currently, China is the only country documented to still be producing PFOS, though there is no China PFOS emission inventory available. This study reviews the inventory methodologies for PFOS in other countries to suggest a China-specific methodology framework for a PFOS emission inventory. The suggested framework combines unknowns for PFOS-containing product penetration into the Chinese market with product lifecycle assumptions, centralizing these diverse sources into municipal sewage treatment plants. Releases from industrial sources can be quantified separately using another set of emission factors. Industrial sources likely to be relevant to the Chinese environment are identified.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3217613 | PMC |
| http://dx.doi.org/10.1100/2011/868156 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Improved estimation of carbon dioxide and methane using machine learning with satellite observations over the Arabian Peninsula.
Sci Rep
January 2025
Civil and Environmental Engineering Department, Khalifa University, Abu Dhabi, UAE.
Estimating spatiotemporal maps of greenhouse gases (GHGs) is important for understanding climate change and developing mitigation strategies. However, current methods face challenges, including the coarse resolution of numerical models, and gaps in satellite data, making it essential to improve the spatiotemporal estimation of GHGs. This study aims to develop an advanced technique to produce high-fidelity (1 km) maps of CO and CH over the Arabian Peninsula, a highly vulnerable region to climate change.
View Article and Find Full Text PDFUnmasking the Environmental Costs of In-Person General Surgery Residency Interviews.
J Surg Educ
January 2025
Department of Surgery, Division of General Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, Milwaukee, Wisconsin. Electronic address:
Objective: As COVID-19 restrictions are eased, there has been a lively debate on whether residency recruitment interviews should be held virtually or in-person. However, environmental impact has rarely been a focus of this debate and only by inference from limited survey data. In this study, we aimed to estimate the carbon emissions generated from air-travel versus in-person interviews in the general surgery residency recruitment.
View Article and Find Full Text PDFMapping emissions in Cyprus using TROPOMI observations: evaluation of the flux-divergence scheme using multiple parameter sets.
Environ Sci Pollut Res Int
January 2025
The Cyprus Institute, Climate and Atmosphere Research Center, 2121, Nicosia, Cyprus.
The production of nitrogen oxides (NO = NO + NO ) is substantial in urban areas and from fossil fuel-fired power plants, causing both local and regional pollution, with severe consequences for human health. To estimate their emissions and implement air quality policies, authorities often rely on reported emission inventories. The island of Cyprus is de facto divided into two different political entities, and as a result, such emissions inventories are not systematically available for the whole island.
View Article and Find Full Text PDFMXene/PEDOT: PSS composite-modified electrode for electrochemical sensing of bilirubin by molecularly imprinted ortho-phenylenediamine.
Mikrochim Acta
January 2025
Applied Science Department, The NorthCap University, 122017, Gurugram, Haryana, India.
For the first time, a TiCT-MXene and poly (3, 4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT: PSS) composite-modified electrode has been developed for electrochemical detection of the bilirubin (BR) by molecularly imprinted ortho-phenylenediamine (o-PD). BR is a biomarker for liver-related diseases. High levels of BR imply liver dysfunction; hence, its exact and rapid measurement is indispensable to its immediate diagnosis and treatment.
View Article and Find Full Text PDFClinical Manifestations.
Alzheimers Dement
December 2024
University of Pittsburgh, Pittsburgh, PA, USA.
Background: Gaining insight into the emotional consequences of disclosing amyloid Positron Emission Tomography (PET) results is essential for offering effective support to patients of varying cognitive status. This analysis aimed to examine variations in emotional distress levels following the disclosure of amyloid PET results among participants that are cognitively normal, with Mild Cognitive Impairment (MCI), or dementia.
Method: This investigation was a preliminary analysis of 55 participants, using 1-month follow-up call data of an ongoing brain imaging data repository study, obtaining baseline PET imaging on a subset of Alzheimer's Disease Research Center (ADRC) participants.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!