Enhancing Occupational Safety in Welding: Identifying Hazards and Improving Personal Protective Equipment Utilization Through Hierarchical Task Analysis

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Background: Welding processes expose workers to a range of occupational hazards, including chemical pollutants, noise, and non-ionizing radiation, which can compromise health. Effective selection and consistent use of personal protective equipment (PPE), along with engineering and management controls, are essential for mitigating these risks. Objectives: The present study aimed to identify occupational hazards in welding operations and propose strategies to enhance worker safety and health through optimized PPE use and workplace risk management. Methods: Hierarchical task analysis (HTA) was applied to systematically decompose the tasks of argon arc welding (TIG) and submerged arc welding (SAW). Other roles and activities within the workshop were examined to assess potential cross-exposures. Workplace hazards were evaluated using a combined qualitative and quantitative approach, including field observations, interviews with workers and technical experts, and analysis of technical and safety documentation. Environmental measurements included noise, airborne pollutants, and radiation levels. Results: The HTA identified multiple stages in welding processes where workers are exposed to hazards such as metal fumes, hazardous chemicals, noise, non-ionizing radiation, and molten metal spatter. Noise levels frequently exceeded recommended limits, while elevated concentrations of manganese and crystalline silica fumes were detected. Shared workspaces led to secondary exposure to hazards from adjacent tasks. Proper use of PPE, including hearing protection, respiratory masks, flame-resistant clothing, and welding helmets, was shown to effectively mitigate these risks. Conclusions: Welding hazards are cumulative and influenced by both task-specific and environmental factors. Continuous and correct use of PPE, combined with engineering controls and management measures such as task rotation, is critical to protect workers’ health. Ongoing training, supervision, and workplace monitoring are recommended to ensure compliance and reduce occupational risks in welding environments.

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Peningkatan Pengetahuan Buruh Tani Akan Bahaya Pestisida dan Penggunaan Alat Pelindung Diri Yang Benar Melalui Penyuluhan
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Introducción: las bicicletas son un medio de transporte popular que trae beneficios para la salud, cuando son utilizadas regularmente. Sin embargo, son frecuentes los accidentes que se presentan en sus usuarios. El objetivo de este trabajo fue evaluar la prevalencia de accidentes y el uso de equipos de protección individual (EPI) en usuarios de bicicletas en São Paulo (Brasil), por medio de formularios. Además, la población estudiada fue orientada sobre la importancia del uso de EPI. Materiales y métodos: ciclistas de diferentes regiones de São Paulo respondieron a las preguntas hechas en un formulario y fueron orientados sobre el correcto uso de los EPI. Resultados: la muestra total fue de 608 personas, evaluadas y entrevistadas (210 mujeres y 398 hombres). El porcentaje mayor de entrevistados tenía entre 20 y 40 años. Los EPI más usados fueron casco, tenis y señalización de pedales. El 48% de los encuestados dijo que había sufrido accidentes usando este medio de transporte. Gran parte de los accidentes ocurrieron en momentos de ocio, durante las mañanas y en días de sol. El 69.5 % de las personas entrevistadas escucharon las indicaciones. Conclusiones: la mayoría de los ciclistas de la ciudad de São Paulo son jóvenes, varones y no utilizan los EPI obligatorios. Los accidentes sufridos, relatados por la población encuestada, no estuvieron relacionados con las condiciones meteorológicas ni con el consumo de alcohol. En este estudio, se observó que solo los ciclistas que ya usaban los EPI estaban interesados en las directrices sobre su importancia y uso correcto.

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Prevalencia del uso de equipos de protección individual y accidentes en usuarios de bicicletas en São Paulo
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  • Revista Ciencias de la Salud
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  • 10.1097/md.0000000000039317
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  • Medicine
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The Relationship Between Knowledge and Economic Status on The Use of Personal Protective Equipment in Garbage Scavengers in TPA Tamangapa Makassar City
  • Jul 25, 2018
  • Window of Health : Jurnal Kesehatan
  • Muhammad - Qasim

One form in avoiding the occurrence of occupational diseases and workplace accidents is to understand the use of PPE and wear personal protective equipment. Use of the intended personal protective equipment in which the scavenger conditions in the Tamangapa TPA while working with masks, boots, gloves and protective helmets. With the aim of preventing contamination of the disease and protecting the part or whole body there is a potential danger. This study aims to determine the relationship of knowledge and social economy to the use of personal protective equipment in garbage scavengers in TPA Tamangapa Makassar City. This research was conducted in TPA Tamangapa Kota Makassar. The research was conducted in January until February 2018. The research design used was analytic observational method is a research design that aims to see the relationship of two variables or without any treatment or intervention with cross sectional approach with the number of samples was 99 respondents according to the inclusion and exclusion criteria. Data collection using questionnaire and data analysis using statistic with chi square test. The result of bivariate analysis showed that there was a correlation of knowledge with the use of self-protective device p = 0.024, and there was an economic status relationship with the use of Personal Protective Equipment (p = 0,029). Conclusion there is a relationship between knowledge, and economic status of garbage scavengers in TPA Tamangapa Makassar City. It is advisable to garbage collectors to further improve their understanding and discipline of using Personal Protective Equipment when working.&#x0D; &#x0D; One form in avoiding the occurrence of occupational diseases and workplace accidents is to understand the use of PPE and wear personal protective equipment. Use of the intended personal protective equipment in which the scavenger conditions in the Tamangapa TPA while working with masks, boots, gloves and protective helmets. With the aim of preventing contamination of the disease and protecting the part or whole body there is a potential danger. This study aims to determine the relationship of knowledge and social economy to the use of personal protective equipment in garbage scavengers in TPA Tamangapa Makassar City. This research was conducted in TPA Tamangapa Kota Makassar. The research was conducted in January until February 2018. The research design used was analytic observational method is a research design that aims to see the relationship of two variables or without any treatment or intervention with cross sectional approach with the number of samples was 99 respondents according to the inclusion and exclusion criteria. Data collection using questionnaire and data analysis using statistic with chi square test. The result of bivariate analysis showed that there was a correlation of knowledge with the use of self-protective device p = 0.024, and there was an economic status relationship with the use of Personal Protective Equipment (p = 0,029). Conclusion there is a relationship between knowledge, and economic status of garbage scavengers in TPA Tamangapa Makassar City. It is advisable to garbage collectors to further improve their understanding and discipline of using Personal Protective Equipment when working.&#x0D;

  • Abstract
  • 10.1093/ofid/ofaa439.1316
1130. Optimizing Use of COVID-19 Personal Protective Equipment among Resident Physicians at a Veterans Affairs Hospital
  • Dec 31, 2020
  • Open Forum Infectious Diseases
  • Ronald M Beaulieu + 14 more

BackgroundCorrect personal protective equipment (PPE) use is key to prevent infection. Observations on a single unit at the Veterans Affairs (VA) Tennessee Valley Healthcare System (TVHS) prior to COVID-19 (October 2019-February 2020) showed low rates of correct PPE use among healthcare workers (HCWs) (Figure 1). In response to the COVID-19 epidemic, the VA implemented new PPE protocols. Based on our initial observations, we were concerned that incorrect use of PPE may increase the risk of COVID-19 exposure among HCWs. Resident physicians, who work at many sites, may be at high-risk for incorrect PPE use due to rapid turnover and limited site-specific PPE training. We aimed to assess and improve COVID-19 PPE use among internal medicine residents rotating at the VA TVHS.Figure 1: Pre-COVID-19 Observations of Adherence to Contact Precaution Protocols at the Veterans Affairs Tennessee Valley Healthcare SystemMethodsWe used the plan, do, study, act (PDSA) model. Prior to starting VA rotations, residents were emailed PPE education to review. We implemented a 1-hour video conference PPE protocol review at rotation start followed by in-person PPE use evaluations for residents performed by infectious diseases fellows on day 2 and day 5-6 post-review to provide just-in-time educational intervention. Errors at each PPE don/doff step were tracked. Correct PPE use data from both observations were compared using McNemar’s test. Baseline and post-implementation resident surveys assessed PPE use knowledge and comfort.ResultsPre-implementation survey response rate was 72% (21/29); 19/21(91%) reported knowing which PPE to use and 16/21(76%) reported knowing how to safely don/doff PPE. Twenty of 29 (69%) residents completed both observations. Errors decreased by 55% (p=0.0045) from 17/20 (85%) to 6/20 (30%) between initial and follow up observations. Errors in hand hygiene, inclusion of all donning/doffing steps, and PPE reuse decreased, but PPE don/doff order errors increased (Figure 2). Post-project survey response rate was 16/29 (55%). All 16 reported knowing which PPE to use and how to safely don/doff PPE, and 11/16 (69%) residents felt both online and in-person interventions were helpful.Figure 2: COVID-19 PPE Errors and Correction Types by ObservationConclusionCorrect COVID-19 PPE use is essential to protect HCWs and patients. Just-in-time education intervention for PPE training may yield higher correct use compared to pre-recorded or online training.DisclosuresAll Authors: No reported disclosures

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