Journal of chemical health & safety最新文献_第6页

Kinetic Stability and Safety Management Protocols for High-Reactivity Precursors (Zr, Hf, and Si) in Semiconductor Manufacturing: Focusing on Thermal Runaway and Hydrolysis Risks 半导体制造中高反应性前驱体（Zr， Hf和Si）的动力学稳定性和安全管理协议：关注热失控和水解风险

IF 3.4

Journal of chemical health & safety Pub Date : 2026-05-25 Epub Date: 2026-03-14 DOI: 10.1021/acs.chas.5c00219

Tae Hun Kwak, , , Soyoung Ahn, , and , Kyungjun Kang*,

{"title":"Kinetic Stability and Safety Management Protocols for High-Reactivity Precursors (Zr, Hf, and Si) in Semiconductor Manufacturing: Focusing on Thermal Runaway and Hydrolysis Risks","authors":"Tae Hun Kwak, , , Soyoung Ahn, , and , Kyungjun Kang*, ","doi":"10.1021/acs.chas.5c00219","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00219","url":null,"abstract":"The transition to sub-10 nm semiconductor nodes necessitates the use of highly reactive zirconium (Zr), hafnium (Hf), and silicon (Si) precursors, which introduce severe safety risks due to their low activation energies and high kinetic lability. This study investigates the critical degradation mechanisms of these precursors, specifically focusing on the self-accelerating thermal decomposition of organometallics and the rapid hydrolysis of chlorosilanes that generates explosive hydrogen gas. By analyzing representative accident scenarios─including canister rupture due to thermal runaway and hydrogen explosions in storage cabinets─we identify significant gaps in current safety guidelines that lack material-specific kinetic data. Consequently, we propose a comprehensive, kinetically based safety management protocol. Key measures include the implementation of a strict active cold chain to prevent thermal runaway, advanced multigas detection systems (H2/HCl) for atmosphere control, and a dynamic shelf-life assessment based on thermal history. These strategies provide a scientific framework for mitigating catastrophic risks and ensuring process integrity in next-generation semiconductor fabrication.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 3","pages":"435–441"},"PeriodicalIF":3.4,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00219","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148010223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A New Artificial Neural Network Criterion for Identifying the Inherent Safety Process Conditions of Typical Autocatalytic Reactions 一种识别典型自催化反应固有安全过程条件的新人工神经网络准则

IF 3.4

Journal of chemical health & safety Pub Date : 2026-05-25 Epub Date: 2026-04-16 DOI: 10.1021/acs.chas.6c00013

Wenshuai Bai*, , , Lingjie Yang, , , Zixuan He, , , Xingyu Wen, , , Bo Zhang, , and , Jianhua Lv,

{"title":"A New Artificial Neural Network Criterion for Identifying the Inherent Safety Process Conditions of Typical Autocatalytic Reactions","authors":"Wenshuai Bai*, , , Lingjie Yang, , , Zixuan He, , , Xingyu Wen, , , Bo Zhang, , and , Jianhua Lv, ","doi":"10.1021/acs.chas.6c00013","DOIUrl":"https://doi.org/10.1021/acs.chas.6c00013","url":null,"abstract":"In contrast to n-order reactions, autocatalytic reactions exhibit a characteristic where the products of the reaction further catalyze the process, which may significantly increase the risk of thermal runaway under certain conditions. In this work, a dimensionless mathematical model is established to characterize heterogeneous liquid–liquid autocatalytic reactions, with general applicability to any reaction order. Then, an artificial neural network (ANN) criterion is introduced to assess the thermal behavior of autocatalytic reactions, using seven representative features for characterization. To prevent overfitting, Bayesian regularization is applied during training, and particle swarm optimization (PSO) is used to determine the initial weights and thresholds. The results indicate that the established ANN criterion achieves high accuracies on training, validation, and test sets, all of which are more than 99%. The effectiveness of the ANN criterion is validated using a real autocatalytic reaction case. In practice, thermal behavior can be rapidly identified by evaluating reaction features at the current jacket temperature, offering an innovative strategy for identifying safe and efficient operating conditions for autocatalytic reactions.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 3","pages":"491–502"},"PeriodicalIF":3.4,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.6c00013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148010254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Probabilistic Security Vulnerability Assessment Framework for Drone Attacks: A Case Study of a Petroleum Storage Terminal 无人机攻击的概率安全漏洞评估框架——以石油储存终端为例

IF 3.4

Journal of chemical health & safety Pub Date : 2026-05-25 Epub Date: 2026-04-08 DOI: 10.1021/acs.chas.5c00210

Surendar Varadharajan, and , Shailendra Bajpai*,

{"title":"Probabilistic Security Vulnerability Assessment Framework for Drone Attacks: A Case Study of a Petroleum Storage Terminal","authors":"Surendar Varadharajan,  and , Shailendra Bajpai*, ","doi":"10.1021/acs.chas.5c00210","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00210","url":null,"abstract":"The risk assessment of intentional threats is credible given the significant increase in security incidents at chemical facilities over the past few years. The increasing accessibility of advanced drone systems to potential adversaries has worsened the security of chemical plants, with 78 security incidents reported at critical facilities since 2018. In this work, a probabilistic-based Bayesian network framework (PBBNF) is developed to assess the vulnerability of hazardous chemical facilities to drone attacks. The graphical-based BN framework incorporated various factors, such as drone and antidrone system capabilities, weather conditions, location, human factors, time, and other influencing factors, to assess intrusion risk and attack success. A case study of a petroleum distribution terminal is used to test the proposed framework, and further analysis is performed by developing 27 scenarios that vary the probability of different factors to examine the best- and worst-case scenarios. A sensitivity analysis of the model is also performed for the given case study, indicating that the performance of the autonomous missile system has a highly influential impact on drone intrusion, while the training of drone warriors has the least influence on the system’s intrusion risk. While the findings highlight that the use of highly efficient drones has a higher likelihood of successful intrusion, the level of vulnerability is varied due to adverse weather conditions, strategic location, and proper human vigilance, accompanied by the deployment of high-potential antidrone systems, all of which could lower the likelihood of intrusion attempts and attack success. This PBBNF benefits chemical and other critical facilities that handle hazardous materials, enabling effective decision-making to develop resilient infrastructure against aerial threats.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 3","pages":"416–434"},"PeriodicalIF":3.4,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00210","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148010319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Occupational Exposure to Environmental Aerosols from Heated Tobacco Products in Japanese Catering Venues: a Pilot Study 日本餐饮场所加热烟草产品产生的环境气溶胶的职业暴露：一项试点研究

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-01-16 DOI: 10.1021/acs.chas.5c00188

Maya I. Mitova*, , , Maria Gomez Lueso, , , Samuel Kleinhans, , , Catherine Goujon-Ginglinger, , , Sachie Yamaji, , and , Yvonne S. K. Khoo,

{"title":"Occupational Exposure to Environmental Aerosols from Heated Tobacco Products in Japanese Catering Venues: a Pilot Study","authors":"Maya I. Mitova*, , , Maria Gomez Lueso, , , Samuel Kleinhans, , , Catherine Goujon-Ginglinger, , , Sachie Yamaji, , and , Yvonne S. K. Khoo, ","doi":"10.1021/acs.chas.5c00188","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00188","url":null,"abstract":"A study was conducted in six Tokyo venues, each with separate nonsmoking and heated tobacco product (HTP)-use areas. Additionally, three of the venues had a smoking booth within the HTP-use area. Airborne nicotine was used as a specific marker to assess the occupational exposure of waitstaff in these venues. In nonsmoking areas, area monitoring generally demonstrated airborne nicotine levels below the detection limit or marginally exceeded it, except for one venue (maximum 0.278 μg/m3). In HTP-use areas, nicotine levels ranged from 0.237 to 2.16 μg/m3 (minimum–maximum range, median 0.681 μg/m3). For personal exposure in nonsmoking areas, 15 out of 19 8 h time-weighted averages were below the limit of quantification (LOQ). In cigarette smoking booth-equipped venues, most personal exposure measurements of the waitstaff entering HTP-use areas were quantifiable at low levels. Whereas the venues without cigarette smoking booths showed lower exposure levels, with 58% of samples below LOQ. All parameters for working environment control class assessment defined by the Japan Society of Occupational Health were below 1% of the threshold limit value for nicotine (TLV, 500 μg/m3). Area monitoring data were used to statistically model the predictive nicotine distribution, indicating a 0.7% probability of exceeding 5 μg/m3. The findings of this study support that separated nonsmoking and HTP-use areas, active mechanical ventilation, and negative pressure in HTP-use areas to direct airflow help to reduce waitstaff’s occupational exposure to nicotine (used as proxy for HTP environmental emissions) below 1% TLV as well as help prevent HTP aerosols from entering nonsmoking areas.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"275–289"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00188","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Real-Time Monitoring of Hydrocarbon Dew Points in Natural Gas Streams Using a PT100-Based Resistance Temperature Detector Sensor System 基于pt100的电阻温度检测器传感器系统实时监测天然气流中碳氢化合物露点

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-02-20 DOI: 10.1021/acs.chas.5c00209

Kombaiah Poolaiah, , , Gajendra Kumar Gupta, , and , Raghasudha Mucherla*,

{"title":"Real-Time Monitoring of Hydrocarbon Dew Points in Natural Gas Streams Using a PT100-Based Resistance Temperature Detector Sensor System","authors":"Kombaiah Poolaiah, , , Gajendra Kumar Gupta, , and , Raghasudha Mucherla*, ","doi":"10.1021/acs.chas.5c00209","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00209","url":null,"abstract":"Precise determination and continuous monitoring of the Hydrocarbon Dew Point (HCDP) are essential in natural gas operations to ensure pipeline reliability, efficiency, and safety, as highlighted in ISO/TR 11150:2007. Due to natural gas compositional variations, HCDP can shift widely, with complex behaviors such as retrograde condensation making measurement particularly difficult. Conventional methods, including the Chilled Mirror Technique (CMT) and Gas Chromatography-Equation of State (GC-EOS) calculations, are associated with few drawbacks. CMT depends heavily on operator judgment and cannot deliver continuous data, while GC-EOS relies on accurate sampling and modeling, limiting its real-time applicability. This work introduces a Resistance Temperature Detector (RTD) PT100-based sensing system capable of continuous, in situ monitoring of HCDP. The sensor was tested under varied process conditions, different compositions, pressures, and flow rates before and after gas treatment. Comparative analysis with CMT and GC-EOS demonstrates that the RTD PT100 provides consistent and accurate readings with mean deviations often within ±0.21 °C for treated gas and excellent agreement with GC-EOS predictions. For untreated streams, the system showed a lower variability than spot-measurement approaches. Furthermore, black particles in pig residue were considerably reduced by RTD PT100 compared to existing methods, indicating improved process cleanliness and gas quality stability. These findings establish the RTD PT100 as a dependable solution for real-time HCDP monitoring, enabling proactive process adjustments, enhanced safety margins, and compliance with industry requirements for “measurable hydrocarbon dew point”.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"329–342"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00209","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

New Era of AI in Chemical Process Safety: Foundation Models 化工过程安全AI新时代：基础模型

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-03-03 DOI: 10.1021/acs.chas.5c00227

Haoyu Yang, , , Tylee L. Kareck, , and , Qingsheng Wang*,

{"title":"New Era of AI in Chemical Process Safety: Foundation Models","authors":"Haoyu Yang, , , Tylee L. Kareck, , and , Qingsheng Wang*, ","doi":"10.1021/acs.chas.5c00227","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00227","url":null,"abstract":"The chemical process safety community is entering a new era driven by foundation models, shifting from task-specific, label-intensive deep learning to adaptable pretrained reasoning frameworks. This Commentary surveys how large language models (LLMs) and vision foundation models (VFMs) can address persistent bottlenecks in process safety, including data scarcity, rare-event imbalance, and limited transferability across facilities. From a language perspective, retrieval-augmented generation (RAG) enables models to operationalize unstructured industrial “dark matter”, such as incident narratives, maintenance logs, management-of-change records, and standard operating procedures, into evidence-linked outputs that support auditable root cause analysis (RCA) and scalable, semiautomated hazard and operability study (HAZOP) workflows. From a vision perspective, promptable VFMs and multimodal systems advance safety monitoring beyond binary detection toward semantic segmentation and contextual discrimination, enabling interpretable, morphology-aware characterization of dynamic threats. Despite this promise, deployment in safety-critical environments demands rigorous scrutiny. We identify key barriers including hallucination risks, ontology drift, privacy, and governance constraints, as well as the inadequacy of generic benchmarks for engineering-grade requirements in reliability, traceability, and failure transparency. We also propose a roadmap centered on “data as infrastructure”, emphasizing expert-supervised synthetic supervision, domain-shaped evaluation and alignment protocols, and hybrid workflows that integrate physical knowledge and validation layers. Ultimately, foundation models should be conceptualized not as autonomous decision-makers but as transparent, context-aware reasoning layers that empower human experts to convert fragmented industrial data into actionable safety intelligence.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"171–179"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00227","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147537354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Navigating the Chemical Multiverse: An Industrial Hygienist’s Insight on Uncertainty, Exposure, and the Precautionary Principle 导航化学多元宇宙：工业卫生学家对不确定性，暴露和预防原则的见解

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-02-02 DOI: 10.1021/acs.chas.5c00149

Jenny Houlroyd*, and , Hilarie Warren*,

{"title":"Navigating the Chemical Multiverse: An Industrial Hygienist’s Insight on Uncertainty, Exposure, and the Precautionary Principle","authors":"Jenny Houlroyd*,  and , Hilarie Warren*, ","doi":"10.1021/acs.chas.5c00149","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00149","url":null,"abstract":"Despite 350,000 registered chemicals, <1% have safety data; industrial hygienists must make decisions in the face of uncertainty. This paper reimagines the Hierarchy of Controls framework (elimination, substitution, engineering controls, administration controls, and personal protective equipment) and the established industrial hygiene framework for hazard anticipation, recognition, evaluation, control, and confirmation of hazard elimination to account for the multiple chemical spaces, both at work and in personal life, in which a worker may be exposed to chemicals across the chemical multiverse, defined as the multiple chemical spaces, each defined by a unique set of descriptors that workers encounter, and the uncertainty related to the potential health effects of these emerging chemicals and technologies. This requires the adaptation of previously developed tools, exposure assessment strategies, and frameworks to manage unknown chemical exposures, and it suggests that manufacturers developing new chemicals, materials, or emerging technologies should be more explicitly encouraged to adopt a precautionary principle approach, examining the entire life cycle of a chemical or material before introducing it into commerce, to reduce potential adverse exposures from downstream usage of the chemical or material, and developing exposure monitoring methods for occupational health professionals to use to monitor worker health. This is the first paper to systematically merge the chemical multiverse concept into occupational health frameworks, providing a new holistic lens for industrial hygienists to protect workers and consumers while at the same time reinforcing the importance of stakeholder engagement and a shift to an anticipatory risk management approach to the full life cycle of chemicals, materials, and products to promote prevention of occupational illness.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"158–170"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00149","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chemical Security in a Fragmenting World: ASEAN as a Model for Science Diplomacy? 支离破碎的世界中的化学安全：东盟作为科学外交的典范？

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-02-16 DOI: 10.1021/acs.chas.6c00011

Fun Man Fung*, , , Jamie Z. Y. Khoo, , , Imee S. Martinez, , and , Hooi Ling Lee,

{"title":"Chemical Security in a Fragmenting World: ASEAN as a Model for Science Diplomacy?","authors":"Fun Man Fung*, , , Jamie Z. Y. Khoo, , , Imee S. Martinez, , and , Hooi Ling Lee, ","doi":"10.1021/acs.chas.6c00011","DOIUrl":"https://doi.org/10.1021/acs.chas.6c00011","url":null,"abstract":"The 2023 verification of the destruction of all declared chemical weapons stockpiles by the Organisation for the Prohibition of Chemical Weapons (OPCW) marks a historic, yet potentially misunderstood, success. This commentary argues that this milestone masks a paradigm shift in the primary threat: from the destruction of legacy stockpiles to the prevention of re-emergence, a challenge now defined as chemical security. In an era of geopolitical fragmentation and economic friction that disproportionately strains the scientific capacity of the Global South, traditional multilateral frameworks are eroding. This piece posits that the “ASEAN” way─a model of regional, consensus-driven diplomacy exemplified by the successful 2025 ASEAN Summit that offers a potent alternative framework. By leveraging ASEAN’s proven mechanisms for deep technical cooperation in nontraditional security threats, such as Disaster Risk Reduction (DRR), this model can be adapted to address the shared vulnerabilities of chemical security. It concludes with an urgent call for Science Diplomacy, mandating that the scientific and chemical communities actively engage policymakers, integrate resilience frameworks, and utilize existing regional collaborations to ensure that chemical security is embedded within this new, effective brand of regional multilateralism.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"180–184"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.6c00011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The One Health Approach Applied to Chemistry Laboratories at the Federal University of Health Sciences of Porto Alegre, Brazil: A Case Study 在巴西阿雷格里港联邦健康科学大学化学实验室应用同一健康方法：案例研究

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-02-19 DOI: 10.1021/acs.chas.5c00183

Laíse Costa Borba*, , , Felipe Grillo Pinheiro, , , Nathália Magno Galdino, , and , Josias Merib,

{"title":"The One Health Approach Applied to Chemistry Laboratories at the Federal University of Health Sciences of Porto Alegre, Brazil: A Case Study","authors":"Laíse Costa Borba*, , , Felipe Grillo Pinheiro, , , Nathália Magno Galdino, , and , Josias Merib, ","doi":"10.1021/acs.chas.5c00183","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00183","url":null,"abstract":"One Health emphasizes the relationships among human, animal, and environmental health. However, this concept is rarely used when assessing the impacts of academic laboratory activities. This case study evaluated some occupational and environmental risks in laboratories at the Federal University of Health Sciences of Porto Alegre (UFCSPA), state of Rio Grande do Sul, Brazil, focusing on noise from fume hoods and on hazardous waste segregation. Noise measurements in fume hoods revealed levels that exceeded the limits considered comfortable for human hearing; however, the results are in accordance with those allowed by national and international regulations. Waste segregation practices showed a predominance of biological waste over chemical waste, indicating possible inconsistencies in the employed classification criteria to segregate mixtures. The results highlight challenges in environmental education and laboratory-safety training at both undergraduate and graduate levels, as well as a need for updated regulations adapted to the academic context. Importantly, the UFCSPA has evolved in terms of biosafety with the creation of specific sectors to mitigate health and safety issues, also providing mandatory and elective courses for both undergraduate and graduate programs focusing on addressing specific institutional demands. In addition, the implementation of One Health principles in universities may strengthen sustainable practices, reduce occupational risks, and contribute to the achievement of global sustainable development goals.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"218–226"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00183","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chemical Safety in Iranian Universities: Navigating Challenges and Opportunities in the Absence of Dedicated Regulations and Designing a Pathway toward Cultural Safety 伊朗大学的化学品安全：在缺乏专门法规的情况下应对挑战和机遇，并设计一条通往文化安全的道路

IF 3.4

Journal of chemical health & safety Pub Date : 2026-03-23 Epub Date: 2026-02-10 DOI: 10.1021/acs.chas.5c00161

Sayed Vahid Esmaeili, , , Zahrasadat Mousavifard, , and , Mostafa Pouyakian*,

{"title":"Chemical Safety in Iranian Universities: Navigating Challenges and Opportunities in the Absence of Dedicated Regulations and Designing a Pathway toward Cultural Safety","authors":"Sayed Vahid Esmaeili, , , Zahrasadat Mousavifard, , and , Mostafa Pouyakian*, ","doi":"10.1021/acs.chas.5c00161","DOIUrl":"https://doi.org/10.1021/acs.chas.5c00161","url":null,"abstract":"Laboratory safety in academic settings, particularly in developing countries, is of paramount importance due to major infrastructural challenges and the emergence of new technologies. This systematic review was conducted following the systematic reviews and meta-analyses (PRISMA) preferred reporting standard and incorporated gray literature using the snowballing technique. A total of 14 articles were ultimately reviewed. A synthesis of the literature review findings and an examination of Iran’s domestic regulations were employed to develop a proposed framework for advancing chemical safety in academic laboratories. The analysis revealed that the absence of specific, mandatory regulations for small-scale academic chemical users, coupled with structural challenges such as fragmented responsibilities, weak enforcement, severe infrastructure deficiencies (e.g., 50% malfunctioning fume hoods), a profound attitude-practice gap (74% vs 24%), and the identification of human factors as the primary cause of incidents, poses a serious threat to safety. By identifying the challenges in academic laboratory safety, this study proposes a practical, multifaceted, and context-specific framework based on the DISC model, encompassing the development of native guidelines, individual empowerment, and the establishment of institutional support systems to strengthen the safety culture. The study’s final finding indicates that adopting a hybrid strategy, integrating both top-down regulatory reforms and bottom-up initiatives, can provide an effective pathway for entrenching a robust safety culture within this specific context.","PeriodicalId":73648,"journal":{"name":"Journal of chemical health & safety","volume":"33 2","pages":"198–210"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acs.chas.5c00161","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147536779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0