Generating Characteristics of VOCs in a Commercial Laundry Shop and the Effects on the Health of Workers

Park, Ok-Hyun; Lee, Kyoung-Seok; Min, Kyoung-Woo; Cho, Gwang-woon; Yoon, Kwan-Ju; Jeong, Won-Sam; Cho, Young-Gwan; Kim, Eun Sun; Yang, Jin-Seok

doi:10.15269/jksoeh.2016.26.2.159

Cited by 11 publications

(4 citation statements)

References 2 publications

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“…조사되어.환기가.여의치.않은.경우도.많다. 4) 세탁소에서.행해지는.주요.작업.중.하나인,.옷에.묻은.기름 때를.제거하는.과정인.드라이클리닝.과정에는.여러.가지.종류 의. 유기용제(VOCs)가.사용될.수.있는데,.국내.세탁시설에서 는.퍼클로로에틸렌(perchloroethylene,.PCE)보다는.석유계.용제 (예:.공업용.휘발유:.KS.M.2611DML)를.드라이클리닝.유기용 제로.사용하는.경우가.대부분으로.알려져.있다.…”

Section: 서 론unclassified

Association between Exposure to Organic Solvents and Symptom of Headache and Eyestrain among Laundry Workers: Analysis of the 6th Korean Working Conditions Survey Data

Jeong,

Lee

2023

J Environ Health Sci

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Background: Laundry workers are known to be exposed to organic solvents in various works including dry cleaning. Long-term exposure to organic solvents may cause adverse health effects among laundry workers. Objectives:To investigate the association between exposure to organic solvents and symptom of headache or eyestrain among laundry workers. Methods:The subjects were total 267 laundry workers who participated in the 6th Korean Working Conditions Survey (KWCS). Responses to exposure to 'inhalation of vapor from organic solvent' was categorized into two (non-exposed: rarely or absolutely not exposed during working hours; exposed: ≥1/4 working hours) or three (non-exposed; low exposure: 1/4 of the working hours; high exposure: ≥1/2 working hours) groups. Logistic regression analysis was performed to evaluate the association between exposure to organic solvents and symptom of headache or eyestrain in the last 12 months among laundry workers.Odds ratios (ORs) and the 95% confidence intervals (CIs) were calculated for experience of the symptom of headache or eyestrain with adjustment for age, sex, education, workplace size (by the number of workers), working hours per week, and current working period (year). Results:The proportions of exposure groups, i.e., non-exposed, low exposure, and high exposure, were 80.4%, 11.1%, and 8.5%, respectively. The proportion of those who had symptom of headache or eyestrain in the last 12 months was 18.7%. There was a significant association between exposure to organic solvents and experience of headache or eyestrain (OR=3.2, 95% CI=1.4~7.4). And, the proportion of those who experienced symptom of headache or eyestrain tended to increase significantly as the level of exposure to organic solvents increased (P trend =0.002). Conclusions:Our results suggest that exposure to organic solvents are associated with symptom of headache or eystrain among laundry workers in Korea. However, further studies with more relevant design is needed to replicate the association.

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Section: 서 론unclassified

Association between Exposure to Organic Solvents and Symptom of Headache and Eyestrain among Laundry Workers: Analysis of the 6th Korean Working Conditions Survey Data

Jeong,

Lee

2023

J Environ Health Sci

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“…For this study, we chose a representative diisocyanate, isophorone diisocyanate (IPDI), and ethylenediamine (ED) as positive controls for respiratory sensitization. Chlorobenzene (CB) and dimethylformamide (DF) were negative controls for sensitization, but both are relevant chemicals for occupational inhalation exposure (Yoshida et al 1986 ; Grammer et al 1988 ; Redlich et al 1988 ; Feoktistova et al 1989 ; Vandenplas et al 1993 ; Murata and Aono 1998 ; Kim and Kim 2011 ; Laborde-Castérot et al 2012 ; Forreryd et al 2015 ; Mowitz et al 2016 ; Park et al 2016 ; Antoniou et al 2020 ).…”

Section: Introductionmentioning

confidence: 99%

The transcriptomic signature of respiratory sensitizers using an alveolar model

Gibb,

Liu,

Sayes

2024

Cell Biol Toxicol

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Environmental contaminants are ubiquitous in the air we breathe and can potentially cause adverse immunological outcomes such as respiratory sensitization, a type of immune-driven allergic response in the lungs. Wood dust, latex, pet dander, oils, fragrances, paints, and glues have all been implicated as possible respiratory sensitizers. With the increased incidence of exposure to chemical mixtures and the rapid production of novel materials, it is paramount that testing regimes accounting for sensitization are incorporated into development cycles. However, no validated assay exists that is universally accepted to measure a substance’s respiratory sensitizing potential. The lungs comprise various cell types and regions where sensitization can occur, with the gas-exchange interface being especially important due to implications for overall lung function. As such, an assay that can mimic the alveolar compartment and assess sensitization would be an important advance for inhalation toxicology. Some such models are under development, but in-depth transcriptomic analyses have yet to be reported. Understanding the transcriptome after sensitizer exposure would greatly advance hazard assessment and sustainability. We tested two known sensitizers (i.e., isophorone diisocyanate and ethylenediamine) and two known non-sensitizers (i.e., chlorobenzene and dimethylformamide). RNA sequencing was performed in our in vitro alveolar model, consisting of a 3D co-culture of epithelial, macrophage, and dendritic cells. Sensitizers were readily distinguishable from non-sensitizers by principal component analysis. However, few differentially regulated genes were common across all pair-wise comparisons (i.e., upregulation of genes SOX9, UACA, CCDC88A, FOSL1, KIF20B). While the model utilized in this study can differentiate the sensitizers from the non-sensitizers tested, further studies will be required to robustly identify critical pathways inducing respiratory sensitization. Graphical Abstract Graphical headlines/headlights Pollutants may trigger lung allergies, but no universal method measures respiratory sensitization potential. In vitro systems can detect respiratory sensitizers, aiding in anticipating and reducing the risks of new materials. Sensitizers and non-sensitizers can be distinguished through transcriptome investigation. The sensitizers tested induced cell differentiation and proliferation pathways while inhibiting immune defense and functionality.

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“…Our previous study found that 36 VOCs were detected from the exhaust gas of laundry drying machines, and the mass of these VOCs emitted from one cycle of drying operation for 3 kg of cotton fiber was approximately 9 g [15]. It was also found that workers in laundry shops in Republic of Korea might have an increased risk of liver malfunctions [16]. Furthermore, compared to other VOC emission sources (e.g., wastewater treatment, industry), laundry facilities are close to urban residential areas, where NO x and SO x ambient concentrations are higher than in suburban areas [17,18], which may lead to larger production of ozone and SOA with the same amount of VOCs in urban areas.…”

Section: Introductionmentioning

confidence: 99%

Reduction of Volatile Organic Compounds (VOCs) Emissions from Laundry Dry-Cleaning by an Integrated Treatment Process of Condensation and Adsorption

et al. 2021

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Volatile organic compounds (VOCs) are intermittently emitted at high concentrations (tens of thousands of ppmv) from small-scale laundry shops in urban areas, affecting the urban atmospheric environment. In this study, we suggested integrating VOC treatment processes incorporating condensation and adsorption in series to remove VOCs released from small-scale laundry dryers (laundry weighing less than 30 kg). We designed two different processes depending on regeneration modes for adsorber beds; an open-circuit flow process and a closed-loop flow process in regeneration mode. Our VOC treatment processes enable sustainable operation via the regeneration of adsorbers on a regular basis. Before applying the VOC treatment processes, average concentration of total volatile organic compounds (TVOCs) was 4099 ppmv (12,000 ppmv of the peak concentration) during the drying operation. After applying our closed-loop flow process, TVOC concentration decreased to 58 ppmv, leading to 98.5% removal efficiency. We also verified the robustness of our process performance in a continuous operation (30 cycles) by using a process simulation program. Lastly, we observed that our integrated treatment process can contribute to reductions in ozone and secondary organic aerosol generation by 90.4% and 95.9%, respectively. We concluded that our integrated VOC treatment processes are applicable to small-scale laundry shops releasing high-concentration VOCs intermittently, and are beneficial to the atmospheric environment.

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Generating Characteristics of VOCs in a Commercial Laundry Shop and the Effects on the Health of Workers

Cited by 11 publications

References 2 publications

Association between Exposure to Organic Solvents and Symptom of Headache and Eyestrain among Laundry Workers: Analysis of the 6th Korean Working Conditions Survey Data

Association between Exposure to Organic Solvents and Symptom of Headache and Eyestrain among Laundry Workers: Analysis of the 6th Korean Working Conditions Survey Data

The transcriptomic signature of respiratory sensitizers using an alveolar model

Reduction of Volatile Organic Compounds (VOCs) Emissions from Laundry Dry-Cleaning by an Integrated Treatment Process of Condensation and Adsorption

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