نتایج جستجو برای: occupational exposure limits
تعداد نتایج: 468147 فیلتر نتایج به سال:
background and objective: needle stick injuries (nsis) are a common potential risk for healthcare workers. the aim of this study was to evaluate preventive interventions against needle stick injury incidents among hcws. methods: seven hospitals in the iranian chaharmahal-va-bakhtiari province were surveyed between march 2008 to march 2013. data of the needle stick injuries of healthcare worke...
background: toluene is a harmful substance still being used as a solvent and catalyst in many industries that can increase the level of urinary hippuric acid (uha). this study was designed to examine the level of toluene and uha among workers of industrial site in seven companies in sidoarjo, indonesia and to analyze the risk factors for abnormal uha. methods: this study was an analytical cross...
background: this study has been conducted on workers from several workplaces where materials containing lead are used during december 2006-april 2007 in eskişehir, a city of the middle anatolian region of turkey. methods: the study and control groups were occured with 403, and 97 men, respectively. after each interview with the individuals, their blood pressures (bp) and complete blood counts (...
background: for its toxicity, benzene exposure is one of the main health concerns for high risk occupations like gasoline station workers. however, there is little knowledge about the effect of benzene metabolites on hematological parameters. objective: to evaluate the correlation between the urinary level of trans, trans-muconic acid (t, t-ma), a benzene metabolite, and some hematological para...
exposure to air pollutants, steel dust or other occupational and environmental hazards as oxidative stress have adverse effects on subway workers' health. oxidative stress generates an excessive amount of reactive oxygen species (ros) and oxygen free radicals during their work time in the tunnels. once dna is repaired, urinary 8-hydroxy-deoxyguanosine (8-ohdg) is excreted in the urine. therefor...
The chemical sector is the third largest industry in Europe. There is increasing evidence from epidemiological and clinical studies that occupational exposures to organic solvents may have detrimental effect on hearing. Most of the literature data concern one of the three following types of exposure to industrial solvents: mixed solvent exposure (the most common type); styrene-only exposure; an...
INTRODUCTION Small-scale gold miners in Ghana have been using mercury to amalgamate gold for many years. Mercury is toxic even at low concentration. We assessed occupational exposure of small-scale gold miners to mercury in Prestea, a gold mining town in Ghana. METHODS We conducted a cross-sectional study in which we collected morning urine samples from 343 small-scale gold miners and tested ...
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