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Narażenie konserwatorów malarstwa na substancje chemiczne występujące w powietrzu środowiska pracy

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Jeżewska A., Szewczyńska M., Woźnica A.
Medycyna Pracy
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2014
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vol. 65
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issue 1
33-41
EN
Background: This paper presents the results of the quantitative study of the airborne chemical substances detected in the conservator's work environment. Material and Methods: The quantitative tests were carried out in 6 museum easel paintings conservation studios. The air test samples were taken at various stages of restoration works, such as cleaning, doubling, impregnation, varnishing, retouching, just to name a few. The chemical substances in the sampled air were measured by the GC-FID (gas chromatography with flame ionization detector) test method. Results: The study results demonstrated that concentrations of airborne substances, e.g., toluene, 1,4-dioxane, turpentine and white spirit in the work environment of paintings conservators exceeded the values allowed by hygiene standards. It was found that exposure levels to the same chemical agents, released during similar activities, varied for different paintings conservation studios. It is likely that this discrepancy resulted from the indoor air exchange system for a given studio (e.g. type of ventilation and its efficiency), the size of the object under maintenance, and also from the methodology and protection used by individual employees. Conclusions: The levels of organic solvent vapors, present in the workplace air in the course of painting conservation, were found to be well above the occupational exposure limits, thus posing a threat to the worker's health. Med Pr 2014;65(1):33–41
PL
Wstęp: W artykule przedstawiono wyniki badań ilościowych substancji chemicznych występujących w powietrzu stanowisk pracy konserwatorów malarstwa. Materiały i metody: Badania przeprowadzono w 6 muzealnych pracowniach konserwacji malarstwa. Próbki powietrza do badań pobierano na różnych etapach prac konserwatorskich (czyszczenie, dublowanie, impregnacja, werniksowanie, retusz). Analizę ilościową substancji chemicznych w pobranych próbkach powietrza prowadzono metodą chromatografii gazowej z detekcją płomieniowo-jonizacyjną (gas chromatography with flame ionization detector - GC-FID). Wyniki: Podczas badań w powietrzu środowiska pracy konserwatora malarstwa substancje takie, jak toluen, 1,4-dioksan, terpentyna i benzyna do lakierów występowały w stężeniach znacznie przekraczających wartości normatywów higienicznych. Narażenie na te same czynniki chemiczne podczas wykonywania podobnych czynności w badanych pracowniach było różne. To zróżnicowanie wynika ze sposobu wymiany powietrza w pomieszczeniach (rodzaju wentylacji i jej sprawności), wielkości obiektu poddawanego konserwacji, ale także od sposobu prowadzenia prac przez pracowników i stosowania środków prewencji. Wnioski: Podczas wykonywania prac konserwatorskich pary niektórych rozpuszczalników organicznych występują w powietrzu w ilościach znacznie przekraczających najwyższe dopuszczalne stężenia, stanowiąc zagrożenie dla zdrowia pracowników. Med. Pr. 2014;65(1):33–41
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The relationship between quality of work life and location of cross-training among obstetric nurses in urban northeastern Ontario, Canada: A population-based cross sectional study

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Nowrouzi B., Lightfoot N., Carter L., Larivière M., Rukholm E., Schinke R., Belanger-Gardner D.
International Journal of Occupational Medicine and Environmental Health
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2015
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vol. 28
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issue 3
571-586
EN
Objectives The purpose of this mixed methods study was to examine the quality of work life of registered nurses working in obstetrics at 4 hospitals in northeastern Ontario and explore demographic and occupational factors related to nurses’ quality of work life (QWL). Material and Methods A stratified random sample of registered nurses (N = 111) selected from the 138 eligible registered nurses (80.4%) of staff in the labor, delivery, recovery, and postpartum areas at the 4 hospitals participated. Logistic regression analyses were used to consider QWL in relation to the following: 1) demographic factors, and 2) stress, employment status and educational attainment. Results In the logistic regression model, the odds of a higher quality of work life for nurses who were cross trained (nurses who can work across all areas of obstetrical care) were estimated to be 3.82 (odds ratio = 3.82, 95% confidence interval: 1.01–14.5) times the odds of a higher quality of work life for nurses who were not cross trained. Conclusions This study highlights a relationship between quality of work life and associated factors including location of cross-training among obstetrical nurses in northeastern Ontario. These findings are supported by the qualitative interviews that examine in depth their relationship to QWL. Given the limited number of employment opportunities in the rural and remote regions, it is paramount that employers and employees work closely together in creating positive environments that promote nurses’ QWL.
3
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Job autonomy in relation to work engagement and workaholism: Mediation of autonomous and controlled work motivation

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Malinowska D., Tokarz A., Wardzichowska A.
International Journal of Occupational Medicine and Environmental Health
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2018
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vol. 31
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issue 4
445-458
EN
Objectives This study integrates the Self Determination Theory and the Job Demands–Resource model in explaining motivational antecedents of 2 forms of excessive work: work engagement and workaholism. It specifically examines the relationship between job autonomy, situational work motivation, work engagement, and workaholism. Material and Methods The sample comprised 318 full-time employees of an international outsourcing company located in Poland. The mediation analysis was used for testing hypotheses about the mediation of autonomous and controlled motivation in the relationship between job autonomy, work engagement, and workaholism. Results The results have confirmed that autonomous motivation mediates the relationship between job autonomy and work engagement. The assumption about the mediation role of controlled motivation in the relationship between job autonomy and workaholism has not been confirmed; however, external regulation (i.e., controlled motivation) is a significant predictor of workaholism. Conclusions Giving employees more job autonomy might increase their intrinsic and identified regulation and may therefore lead to more energetic, enthusiastic, and dedicated engagement with their jobs. Workaholism may be predicted by external regulation, and work characteristics other than job autonomy may play an important role in enhancing this controlled type of motivation. Int J Occup Med Environ Health 2018;31(4):445–458
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